./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/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_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/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_d7419b34-998b-4707-844c-a336f84a23ca/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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:31:55,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:31:55,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:31:55,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:31:55,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:31:55,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:31:55,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:31:55,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:31:55,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:31:55,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:31:55,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:31:55,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:31:55,804 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:31:55,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:31:55,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:31:55,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:31:55,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:31:55,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:31:55,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:31:55,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:31:55,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:31:55,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:31:55,810 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:31:55,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:31:55,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:31:55,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:31:55,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:31:55,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:31:55,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:31:55,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:31:55,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:31:55,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:31:55,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:31:55,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:31:55,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:31:55,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:31:55,816 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_d7419b34-998b-4707-844c-a336f84a23ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2023-11-29 02:31:56,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:31:56,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:31:56,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:31:56,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:31:56,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:31:56,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-29 02:31:58,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:31:59,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:31:59,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-29 02:31:59,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/data/ebdd67f67/269cbe36b4fa4a079b0fb5b4a323d90b/FLAG1a16a86f1 [2023-11-29 02:31:59,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/data/ebdd67f67/269cbe36b4fa4a079b0fb5b4a323d90b [2023-11-29 02:31:59,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:31:59,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:31:59,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:59,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:31:59,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:31:59,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bdee2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59, skipping insertion in model container [2023-11-29 02:31:59,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:31:59,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:59,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:31:59,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:59,896 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:31:59,897 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:31:59,904 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:31:59,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59 WrapperNode [2023-11-29 02:31:59,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:59,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:59,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:31:59,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:31:59,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,970 INFO L138 Inliner]: procedures = 246, calls = 52, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-11-29 02:31:59,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:59,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:31:59,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:31:59,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:31:59,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:31:59,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:32:00,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:32:00,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:32:00,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:32:00,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (1/1) ... [2023-11-29 02:32:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:32:00,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:00,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:32:00,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7419b34-998b-4707-844c-a336f84a23ca/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:32:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-29 02:32:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-29 02:32:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:32:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:32:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:32:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:32:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:32:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:32:00,113 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 02:32:00,339 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:32:00,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:32:00,748 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:32:00,800 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:32:00,800 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:32:00,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:00 BoogieIcfgContainer [2023-11-29 02:32:00,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:32:00,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:32:00,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:32:00,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:32:00,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:31:59" (1/3) ... [2023-11-29 02:32:00,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48909a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:00, skipping insertion in model container [2023-11-29 02:32:00,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:59" (2/3) ... [2023-11-29 02:32:00,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48909a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:00, skipping insertion in model container [2023-11-29 02:32:00,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:00" (3/3) ... [2023-11-29 02:32:00,809 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-11-29 02:32:00,816 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:32:00,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:32:00,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-29 02:32:00,824 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:32:00,892 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 02:32:00,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 309 transitions, 632 flow [2023-11-29 02:32:01,038 INFO L124 PetriNetUnfolderBase]: 18/397 cut-off events. [2023-11-29 02:32:01,038 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 02:32:01,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 397 events. 18/397 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 745 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 224. Up to 4 conditions per place. [2023-11-29 02:32:01,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 309 transitions, 632 flow [2023-11-29 02:32:01,052 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 299 places, 306 transitions, 624 flow [2023-11-29 02:32:01,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:32:01,068 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;@28184ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:32:01,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-29 02:32:01,075 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:32:01,076 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-29 02:32:01,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:32:01,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:01,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:01,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:01,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -608001024, now seen corresponding path program 1 times [2023-11-29 02:32:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:01,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870482516] [2023-11-29 02:32:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:01,826 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 02:32:01,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:01,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870482516] [2023-11-29 02:32:01,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870482516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:01,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:01,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558084503] [2023-11-29 02:32:01,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:01,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:01,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:02,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 309 [2023-11-29 02:32:02,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 306 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 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 02:32:02,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:02,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 309 [2023-11-29 02:32:02,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:02,871 INFO L124 PetriNetUnfolderBase]: 532/1986 cut-off events. [2023-11-29 02:32:02,871 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 02:32:02,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2956 conditions, 1986 events. 532/1986 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 13683 event pairs, 531 based on Foata normal form. 76/1898 useless extension candidates. Maximal degree in co-relation 2591. Up to 947 conditions per place. [2023-11-29 02:32:02,890 INFO L140 encePairwiseOnDemand]: 285/309 looper letters, 52 selfloop transitions, 5 changer transitions 12/269 dead transitions. [2023-11-29 02:32:02,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 269 transitions, 664 flow [2023-11-29 02:32:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2023-11-29 02:32:02,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7756202804746494 [2023-11-29 02:32:02,908 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2023-11-29 02:32:02,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2023-11-29 02:32:02,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:02,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2023-11-29 02:32:02,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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 02:32:02,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:02,931 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:02,932 INFO L175 Difference]: Start difference. First operand has 299 places, 306 transitions, 624 flow. Second operand 6 states and 1438 transitions. [2023-11-29 02:32:02,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 269 transitions, 664 flow [2023-11-29 02:32:02,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 269 transitions, 656 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:02,944 INFO L231 Difference]: Finished difference. Result has 275 places, 257 transitions, 528 flow [2023-11-29 02:32:02,946 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=275, PETRI_TRANSITIONS=257} [2023-11-29 02:32:02,950 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -24 predicate places. [2023-11-29 02:32:02,950 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 257 transitions, 528 flow [2023-11-29 02:32:02,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 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 02:32:02,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:02,952 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] [2023-11-29 02:32:02,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:32:02,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:02,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1637304938, now seen corresponding path program 1 times [2023-11-29 02:32:02,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:02,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437179770] [2023-11-29 02:32:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:02,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:03,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:03,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437179770] [2023-11-29 02:32:03,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437179770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:03,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:03,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:03,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795513999] [2023-11-29 02:32:03,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:03,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:03,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:03,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:03,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 309 [2023-11-29 02:32:03,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 257 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 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 02:32:03,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:03,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 309 [2023-11-29 02:32:03,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:04,411 INFO L124 PetriNetUnfolderBase]: 532/1973 cut-off events. [2023-11-29 02:32:04,411 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:32:04,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2937 conditions, 1973 events. 532/1973 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 13635 event pairs, 531 based on Foata normal form. 0/1814 useless extension candidates. Maximal degree in co-relation 2890. Up to 947 conditions per place. [2023-11-29 02:32:04,427 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 52 selfloop transitions, 5 changer transitions 0/256 dead transitions. [2023-11-29 02:32:04,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 256 transitions, 640 flow [2023-11-29 02:32:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1420 transitions. [2023-11-29 02:32:04,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7659115426105717 [2023-11-29 02:32:04,433 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1420 transitions. [2023-11-29 02:32:04,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1420 transitions. [2023-11-29 02:32:04,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:04,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1420 transitions. [2023-11-29 02:32:04,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.66666666666666) internal successors, (1420), 6 states have internal predecessors, (1420), 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 02:32:04,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:04,473 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:04,473 INFO L175 Difference]: Start difference. First operand has 275 places, 257 transitions, 528 flow. Second operand 6 states and 1420 transitions. [2023-11-29 02:32:04,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 256 transitions, 640 flow [2023-11-29 02:32:04,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 256 transitions, 630 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:32:04,481 INFO L231 Difference]: Finished difference. Result has 262 places, 256 transitions, 526 flow [2023-11-29 02:32:04,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=526, PETRI_PLACES=262, PETRI_TRANSITIONS=256} [2023-11-29 02:32:04,482 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-29 02:32:04,482 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 256 transitions, 526 flow [2023-11-29 02:32:04,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 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 02:32:04,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:04,484 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] [2023-11-29 02:32:04,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:32:04,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:04,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1553326897, now seen corresponding path program 1 times [2023-11-29 02:32:04,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:04,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539038399] [2023-11-29 02:32:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:04,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:04,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539038399] [2023-11-29 02:32:04,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539038399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:04,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:04,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:04,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597541071] [2023-11-29 02:32:04,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:04,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:04,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:05,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 309 [2023-11-29 02:32:05,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 256 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 02:32:05,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:05,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 309 [2023-11-29 02:32:05,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:05,784 INFO L124 PetriNetUnfolderBase]: 232/956 cut-off events. [2023-11-29 02:32:05,784 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2023-11-29 02:32:05,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 956 events. 232/956 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4970 event pairs, 210 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1330. Up to 415 conditions per place. [2023-11-29 02:32:05,789 INFO L140 encePairwiseOnDemand]: 301/309 looper letters, 28 selfloop transitions, 7 changer transitions 0/259 dead transitions. [2023-11-29 02:32:05,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 259 transitions, 603 flow [2023-11-29 02:32:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1554 transitions. [2023-11-29 02:32:05,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8381877022653722 [2023-11-29 02:32:05,794 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1554 transitions. [2023-11-29 02:32:05,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1554 transitions. [2023-11-29 02:32:05,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:05,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1554 transitions. [2023-11-29 02:32:05,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 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 02:32:05,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:05,805 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:05,805 INFO L175 Difference]: Start difference. First operand has 262 places, 256 transitions, 526 flow. Second operand 6 states and 1554 transitions. [2023-11-29 02:32:05,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 259 transitions, 603 flow [2023-11-29 02:32:05,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 259 transitions, 593 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:32:05,810 INFO L231 Difference]: Finished difference. Result has 262 places, 258 transitions, 544 flow [2023-11-29 02:32:05,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=262, PETRI_TRANSITIONS=258} [2023-11-29 02:32:05,811 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-29 02:32:05,812 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 258 transitions, 544 flow [2023-11-29 02:32:05,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 02:32:05,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:05,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:05,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:32:05,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:05,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1594510101, now seen corresponding path program 1 times [2023-11-29 02:32:05,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923424283] [2023-11-29 02:32:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:05,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:06,234 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 02:32:06,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923424283] [2023-11-29 02:32:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923424283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:06,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:06,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406154442] [2023-11-29 02:32:06,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:06,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:06,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:06,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:06,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:06,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 309 [2023-11-29 02:32:06,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 258 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 02:32:06,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:06,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 309 [2023-11-29 02:32:06,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:07,034 INFO L124 PetriNetUnfolderBase]: 232/955 cut-off events. [2023-11-29 02:32:07,034 INFO L125 PetriNetUnfolderBase]: For 83/93 co-relation queries the response was YES. [2023-11-29 02:32:07,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 955 events. 232/955 cut-off events. For 83/93 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4922 event pairs, 210 based on Foata normal form. 2/916 useless extension candidates. Maximal degree in co-relation 1142. Up to 415 conditions per place. [2023-11-29 02:32:07,041 INFO L140 encePairwiseOnDemand]: 301/309 looper letters, 28 selfloop transitions, 7 changer transitions 0/258 dead transitions. [2023-11-29 02:32:07,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 258 transitions, 615 flow [2023-11-29 02:32:07,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1554 transitions. [2023-11-29 02:32:07,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8381877022653722 [2023-11-29 02:32:07,046 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1554 transitions. [2023-11-29 02:32:07,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1554 transitions. [2023-11-29 02:32:07,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:07,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1554 transitions. [2023-11-29 02:32:07,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 259.0) internal successors, (1554), 6 states have internal predecessors, (1554), 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 02:32:07,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:07,058 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:07,059 INFO L175 Difference]: Start difference. First operand has 262 places, 258 transitions, 544 flow. Second operand 6 states and 1554 transitions. [2023-11-29 02:32:07,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 258 transitions, 615 flow [2023-11-29 02:32:07,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 258 transitions, 605 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:07,065 INFO L231 Difference]: Finished difference. Result has 262 places, 257 transitions, 546 flow [2023-11-29 02:32:07,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=546, PETRI_PLACES=262, PETRI_TRANSITIONS=257} [2023-11-29 02:32:07,067 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -37 predicate places. [2023-11-29 02:32:07,068 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 257 transitions, 546 flow [2023-11-29 02:32:07,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 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 02:32:07,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:07,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:07,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:32:07,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:07,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:07,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1936296601, now seen corresponding path program 1 times [2023-11-29 02:32:07,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:07,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221536544] [2023-11-29 02:32:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:07,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:07,165 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 02:32:07,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:07,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221536544] [2023-11-29 02:32:07,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221536544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:07,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:07,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:07,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224184828] [2023-11-29 02:32:07,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:07,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:07,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:07,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:07,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:07,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 309 [2023-11-29 02:32:07,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 257 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 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 02:32:07,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:07,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 309 [2023-11-29 02:32:07,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:07,299 INFO L124 PetriNetUnfolderBase]: 65/544 cut-off events. [2023-11-29 02:32:07,299 INFO L125 PetriNetUnfolderBase]: For 66/81 co-relation queries the response was YES. [2023-11-29 02:32:07,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 544 events. 65/544 cut-off events. For 66/81 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2183 event pairs, 40 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 304. Up to 130 conditions per place. [2023-11-29 02:32:07,304 INFO L140 encePairwiseOnDemand]: 306/309 looper letters, 19 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2023-11-29 02:32:07,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 256 transitions, 586 flow [2023-11-29 02:32:07,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 817 transitions. [2023-11-29 02:32:07,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8813376483279396 [2023-11-29 02:32:07,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 817 transitions. [2023-11-29 02:32:07,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 817 transitions. [2023-11-29 02:32:07,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:07,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 817 transitions. [2023-11-29 02:32:07,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:07,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 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 02:32:07,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 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 02:32:07,315 INFO L175 Difference]: Start difference. First operand has 262 places, 257 transitions, 546 flow. Second operand 3 states and 817 transitions. [2023-11-29 02:32:07,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 256 transitions, 586 flow [2023-11-29 02:32:07,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 256 transitions, 572 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:32:07,322 INFO L231 Difference]: Finished difference. Result has 258 places, 256 transitions, 534 flow [2023-11-29 02:32:07,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=258, PETRI_TRANSITIONS=256} [2023-11-29 02:32:07,323 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -41 predicate places. [2023-11-29 02:32:07,324 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 256 transitions, 534 flow [2023-11-29 02:32:07,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 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 02:32:07,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:07,324 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:07,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:32:07,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:07,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:07,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1722133584, now seen corresponding path program 1 times [2023-11-29 02:32:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:07,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300478840] [2023-11-29 02:32:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:07,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:07,416 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 02:32:07,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:07,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300478840] [2023-11-29 02:32:07,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300478840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:07,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:07,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:07,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878158967] [2023-11-29 02:32:07,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:07,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:07,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:07,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:07,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:07,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 309 [2023-11-29 02:32:07,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 256 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 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 02:32:07,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:07,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 309 [2023-11-29 02:32:07,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:07,570 INFO L124 PetriNetUnfolderBase]: 62/616 cut-off events. [2023-11-29 02:32:07,570 INFO L125 PetriNetUnfolderBase]: For 32/54 co-relation queries the response was YES. [2023-11-29 02:32:07,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 616 events. 62/616 cut-off events. For 32/54 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2254 event pairs, 40 based on Foata normal form. 1/580 useless extension candidates. Maximal degree in co-relation 625. Up to 130 conditions per place. [2023-11-29 02:32:07,576 INFO L140 encePairwiseOnDemand]: 305/309 looper letters, 18 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2023-11-29 02:32:07,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 257 transitions, 577 flow [2023-11-29 02:32:07,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2023-11-29 02:32:07,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2023-11-29 02:32:07,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2023-11-29 02:32:07,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2023-11-29 02:32:07,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:07,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2023-11-29 02:32:07,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:07,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 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 02:32:07,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 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 02:32:07,587 INFO L175 Difference]: Start difference. First operand has 258 places, 256 transitions, 534 flow. Second operand 3 states and 824 transitions. [2023-11-29 02:32:07,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 257 transitions, 577 flow [2023-11-29 02:32:07,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 257 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:07,595 INFO L231 Difference]: Finished difference. Result has 257 places, 256 transitions, 540 flow [2023-11-29 02:32:07,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=257, PETRI_TRANSITIONS=256} [2023-11-29 02:32:07,596 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -42 predicate places. [2023-11-29 02:32:07,597 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 256 transitions, 540 flow [2023-11-29 02:32:07,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 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 02:32:07,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:07,598 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] [2023-11-29 02:32:07,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:32:07,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:07,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:07,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1638421182, now seen corresponding path program 1 times [2023-11-29 02:32:07,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:07,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141633165] [2023-11-29 02:32:07,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:07,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:08,186 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 02:32:08,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:08,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141633165] [2023-11-29 02:32:08,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141633165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:08,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:08,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379829068] [2023-11-29 02:32:08,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:08,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:08,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:08,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 309 [2023-11-29 02:32:08,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 256 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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 02:32:08,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:08,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 309 [2023-11-29 02:32:08,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:09,221 INFO L124 PetriNetUnfolderBase]: 698/2371 cut-off events. [2023-11-29 02:32:09,222 INFO L125 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2023-11-29 02:32:09,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3906 conditions, 2371 events. 698/2371 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 15760 event pairs, 466 based on Foata normal form. 0/2255 useless extension candidates. Maximal degree in co-relation 3232. Up to 1159 conditions per place. [2023-11-29 02:32:09,234 INFO L140 encePairwiseOnDemand]: 296/309 looper letters, 58 selfloop transitions, 30 changer transitions 0/285 dead transitions. [2023-11-29 02:32:09,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 285 transitions, 790 flow [2023-11-29 02:32:09,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-11-29 02:32:09,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7847896440129449 [2023-11-29 02:32:09,238 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-11-29 02:32:09,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-11-29 02:32:09,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:09,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-11-29 02:32:09,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 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 02:32:09,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:09,247 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:09,247 INFO L175 Difference]: Start difference. First operand has 257 places, 256 transitions, 540 flow. Second operand 6 states and 1455 transitions. [2023-11-29 02:32:09,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 285 transitions, 790 flow [2023-11-29 02:32:09,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 285 transitions, 790 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:32:09,252 INFO L231 Difference]: Finished difference. Result has 267 places, 285 transitions, 758 flow [2023-11-29 02:32:09,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=758, PETRI_PLACES=267, PETRI_TRANSITIONS=285} [2023-11-29 02:32:09,253 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -32 predicate places. [2023-11-29 02:32:09,254 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 285 transitions, 758 flow [2023-11-29 02:32:09,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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 02:32:09,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:09,255 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] [2023-11-29 02:32:09,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:32:09,255 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:09,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -658284883, now seen corresponding path program 1 times [2023-11-29 02:32:09,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:09,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948417088] [2023-11-29 02:32:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:09,364 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 02:32:09,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:09,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948417088] [2023-11-29 02:32:09,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948417088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:09,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:09,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:09,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752113585] [2023-11-29 02:32:09,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:09,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:32:09,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:09,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:32:09,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:09,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 309 [2023-11-29 02:32:09,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 285 transitions, 758 flow. Second operand has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 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 02:32:09,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:09,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 309 [2023-11-29 02:32:09,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:09,722 INFO L124 PetriNetUnfolderBase]: 496/1968 cut-off events. [2023-11-29 02:32:09,722 INFO L125 PetriNetUnfolderBase]: For 789/854 co-relation queries the response was YES. [2023-11-29 02:32:09,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 1968 events. 496/1968 cut-off events. For 789/854 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 12718 event pairs, 276 based on Foata normal form. 1/1841 useless extension candidates. Maximal degree in co-relation 3233. Up to 680 conditions per place. [2023-11-29 02:32:09,734 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 46 selfloop transitions, 4 changer transitions 2/290 dead transitions. [2023-11-29 02:32:09,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 290 transitions, 872 flow [2023-11-29 02:32:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1611 transitions. [2023-11-29 02:32:09,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8689320388349514 [2023-11-29 02:32:09,740 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1611 transitions. [2023-11-29 02:32:09,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1611 transitions. [2023-11-29 02:32:09,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:09,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1611 transitions. [2023-11-29 02:32:09,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.5) internal successors, (1611), 6 states have internal predecessors, (1611), 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 02:32:09,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:09,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:09,748 INFO L175 Difference]: Start difference. First operand has 267 places, 285 transitions, 758 flow. Second operand 6 states and 1611 transitions. [2023-11-29 02:32:09,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 290 transitions, 872 flow [2023-11-29 02:32:09,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 290 transitions, 856 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-29 02:32:09,759 INFO L231 Difference]: Finished difference. Result has 276 places, 288 transitions, 773 flow [2023-11-29 02:32:09,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=773, PETRI_PLACES=276, PETRI_TRANSITIONS=288} [2023-11-29 02:32:09,761 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -23 predicate places. [2023-11-29 02:32:09,761 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 288 transitions, 773 flow [2023-11-29 02:32:09,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.6) internal successors, (1328), 5 states have internal predecessors, (1328), 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 02:32:09,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:09,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:09,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:32:09,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:09,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:09,763 INFO L85 PathProgramCache]: Analyzing trace with hash -662249111, now seen corresponding path program 1 times [2023-11-29 02:32:09,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:09,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199487911] [2023-11-29 02:32:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:10,310 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 02:32:10,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:10,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199487911] [2023-11-29 02:32:10,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199487911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:10,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:10,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221220271] [2023-11-29 02:32:10,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:10,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:10,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:10,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:10,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:10,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 309 [2023-11-29 02:32:10,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 288 transitions, 773 flow. Second operand has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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 02:32:10,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:10,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 309 [2023-11-29 02:32:10,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:11,434 INFO L124 PetriNetUnfolderBase]: 952/2608 cut-off events. [2023-11-29 02:32:11,434 INFO L125 PetriNetUnfolderBase]: For 1267/1279 co-relation queries the response was YES. [2023-11-29 02:32:11,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5964 conditions, 2608 events. 952/2608 cut-off events. For 1267/1279 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 17153 event pairs, 538 based on Foata normal form. 0/2502 useless extension candidates. Maximal degree in co-relation 5856. Up to 1435 conditions per place. [2023-11-29 02:32:11,457 INFO L140 encePairwiseOnDemand]: 296/309 looper letters, 82 selfloop transitions, 30 changer transitions 0/317 dead transitions. [2023-11-29 02:32:11,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 317 transitions, 1119 flow [2023-11-29 02:32:11,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-11-29 02:32:11,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7847896440129449 [2023-11-29 02:32:11,462 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-11-29 02:32:11,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-11-29 02:32:11,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:11,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-11-29 02:32:11,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 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 02:32:11,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:11,474 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:11,474 INFO L175 Difference]: Start difference. First operand has 276 places, 288 transitions, 773 flow. Second operand 6 states and 1455 transitions. [2023-11-29 02:32:11,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 317 transitions, 1119 flow [2023-11-29 02:32:11,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 317 transitions, 1118 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:32:11,487 INFO L231 Difference]: Finished difference. Result has 285 places, 317 transitions, 1038 flow [2023-11-29 02:32:11,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1038, PETRI_PLACES=285, PETRI_TRANSITIONS=317} [2023-11-29 02:32:11,488 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -14 predicate places. [2023-11-29 02:32:11,488 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 317 transitions, 1038 flow [2023-11-29 02:32:11,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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 02:32:11,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:11,490 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] [2023-11-29 02:32:11,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:32:11,490 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:11,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:11,491 INFO L85 PathProgramCache]: Analyzing trace with hash -757819994, now seen corresponding path program 1 times [2023-11-29 02:32:11,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:11,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10150405] [2023-11-29 02:32:11,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:11,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:12,067 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 02:32:12,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:12,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10150405] [2023-11-29 02:32:12,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10150405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:12,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:12,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841566760] [2023-11-29 02:32:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:12,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:12,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:12,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 309 [2023-11-29 02:32:12,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 317 transitions, 1038 flow. Second operand has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 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 02:32:12,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:12,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 309 [2023-11-29 02:32:12,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:13,539 INFO L124 PetriNetUnfolderBase]: 930/2876 cut-off events. [2023-11-29 02:32:13,540 INFO L125 PetriNetUnfolderBase]: For 2210/2241 co-relation queries the response was YES. [2023-11-29 02:32:13,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7431 conditions, 2876 events. 930/2876 cut-off events. For 2210/2241 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 19836 event pairs, 306 based on Foata normal form. 0/2758 useless extension candidates. Maximal degree in co-relation 7077. Up to 1288 conditions per place. [2023-11-29 02:32:13,559 INFO L140 encePairwiseOnDemand]: 292/309 looper letters, 96 selfloop transitions, 27 changer transitions 0/346 dead transitions. [2023-11-29 02:32:13,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 346 transitions, 1458 flow [2023-11-29 02:32:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:13,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1541 transitions. [2023-11-29 02:32:13,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.831175836030205 [2023-11-29 02:32:13,564 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1541 transitions. [2023-11-29 02:32:13,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1541 transitions. [2023-11-29 02:32:13,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:13,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1541 transitions. [2023-11-29 02:32:13,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.8333333333333) internal successors, (1541), 6 states have internal predecessors, (1541), 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 02:32:13,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:13,572 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:13,573 INFO L175 Difference]: Start difference. First operand has 285 places, 317 transitions, 1038 flow. Second operand 6 states and 1541 transitions. [2023-11-29 02:32:13,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 346 transitions, 1458 flow [2023-11-29 02:32:13,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 346 transitions, 1394 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-29 02:32:13,584 INFO L231 Difference]: Finished difference. Result has 294 places, 338 transitions, 1230 flow [2023-11-29 02:32:13,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=972, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1230, PETRI_PLACES=294, PETRI_TRANSITIONS=338} [2023-11-29 02:32:13,586 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -5 predicate places. [2023-11-29 02:32:13,586 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 338 transitions, 1230 flow [2023-11-29 02:32:13,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 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 02:32:13,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:13,587 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] [2023-11-29 02:32:13,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:32:13,587 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:13,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash -793073395, now seen corresponding path program 1 times [2023-11-29 02:32:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:13,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825405028] [2023-11-29 02:32:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:14,178 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 02:32:14,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825405028] [2023-11-29 02:32:14,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825405028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:14,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:14,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:14,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348539588] [2023-11-29 02:32:14,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:14,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:14,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:14,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:14,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:14,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 309 [2023-11-29 02:32:14,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 338 transitions, 1230 flow. Second operand has 6 states, 6 states have (on average 254.66666666666666) internal successors, (1528), 6 states have internal predecessors, (1528), 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 02:32:14,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:14,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 309 [2023-11-29 02:32:14,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:15,361 INFO L124 PetriNetUnfolderBase]: 1035/3024 cut-off events. [2023-11-29 02:32:15,361 INFO L125 PetriNetUnfolderBase]: For 3426/3633 co-relation queries the response was YES. [2023-11-29 02:32:15,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8894 conditions, 3024 events. 1035/3024 cut-off events. For 3426/3633 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 21044 event pairs, 291 based on Foata normal form. 1/2910 useless extension candidates. Maximal degree in co-relation 8516. Up to 1466 conditions per place. [2023-11-29 02:32:15,384 INFO L140 encePairwiseOnDemand]: 298/309 looper letters, 115 selfloop transitions, 22 changer transitions 0/369 dead transitions. [2023-11-29 02:32:15,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 369 transitions, 1720 flow [2023-11-29 02:32:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1577 transitions. [2023-11-29 02:32:15,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8505933117583603 [2023-11-29 02:32:15,389 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1577 transitions. [2023-11-29 02:32:15,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1577 transitions. [2023-11-29 02:32:15,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:15,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1577 transitions. [2023-11-29 02:32:15,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.8333333333333) internal successors, (1577), 6 states have internal predecessors, (1577), 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 02:32:15,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:15,398 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:15,398 INFO L175 Difference]: Start difference. First operand has 294 places, 338 transitions, 1230 flow. Second operand 6 states and 1577 transitions. [2023-11-29 02:32:15,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 369 transitions, 1720 flow [2023-11-29 02:32:15,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 369 transitions, 1704 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-29 02:32:15,411 INFO L231 Difference]: Finished difference. Result has 304 places, 359 transitions, 1484 flow [2023-11-29 02:32:15,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=1214, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1484, PETRI_PLACES=304, PETRI_TRANSITIONS=359} [2023-11-29 02:32:15,412 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 5 predicate places. [2023-11-29 02:32:15,412 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 359 transitions, 1484 flow [2023-11-29 02:32:15,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.66666666666666) internal successors, (1528), 6 states have internal predecessors, (1528), 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 02:32:15,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:15,413 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] [2023-11-29 02:32:15,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:32:15,413 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:15,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1182761271, now seen corresponding path program 1 times [2023-11-29 02:32:15,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:15,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131135314] [2023-11-29 02:32:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:15,557 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 02:32:15,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131135314] [2023-11-29 02:32:15,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131135314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:15,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:15,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:15,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483325754] [2023-11-29 02:32:15,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:15,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:32:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:15,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:32:15,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:32:15,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 309 [2023-11-29 02:32:15,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 359 transitions, 1484 flow. Second operand has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 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 02:32:15,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:15,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 309 [2023-11-29 02:32:15,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:15,944 INFO L124 PetriNetUnfolderBase]: 318/1283 cut-off events. [2023-11-29 02:32:15,945 INFO L125 PetriNetUnfolderBase]: For 2824/2887 co-relation queries the response was YES. [2023-11-29 02:32:15,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3713 conditions, 1283 events. 318/1283 cut-off events. For 2824/2887 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7196 event pairs, 19 based on Foata normal form. 27/1279 useless extension candidates. Maximal degree in co-relation 3569. Up to 359 conditions per place. [2023-11-29 02:32:15,953 INFO L140 encePairwiseOnDemand]: 303/309 looper letters, 65 selfloop transitions, 4 changer transitions 21/305 dead transitions. [2023-11-29 02:32:15,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 1340 flow [2023-11-29 02:32:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:15,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions. [2023-11-29 02:32:15,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8781014023732471 [2023-11-29 02:32:15,961 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1628 transitions. [2023-11-29 02:32:15,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1628 transitions. [2023-11-29 02:32:15,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:15,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1628 transitions. [2023-11-29 02:32:15,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 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 02:32:15,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:15,969 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:15,969 INFO L175 Difference]: Start difference. First operand has 304 places, 359 transitions, 1484 flow. Second operand 6 states and 1628 transitions. [2023-11-29 02:32:15,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 1340 flow [2023-11-29 02:32:15,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 305 transitions, 1228 flow, removed 23 selfloop flow, removed 24 redundant places. [2023-11-29 02:32:15,980 INFO L231 Difference]: Finished difference. Result has 283 places, 256 transitions, 809 flow [2023-11-29 02:32:15,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=283, PETRI_TRANSITIONS=256} [2023-11-29 02:32:15,981 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -16 predicate places. [2023-11-29 02:32:15,982 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 256 transitions, 809 flow [2023-11-29 02:32:15,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 265.2) internal successors, (1326), 5 states have internal predecessors, (1326), 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 02:32:15,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:15,982 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] [2023-11-29 02:32:15,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:32:15,983 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:15,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2121429778, now seen corresponding path program 1 times [2023-11-29 02:32:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:15,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839420433] [2023-11-29 02:32:15,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:15,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:16,384 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 02:32:16,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:16,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839420433] [2023-11-29 02:32:16,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839420433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:16,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:16,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:16,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257644782] [2023-11-29 02:32:16,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:16,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:16,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:16,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:16,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:16,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 309 [2023-11-29 02:32:16,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 256 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 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 02:32:16,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:16,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 309 [2023-11-29 02:32:16,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:17,126 INFO L124 PetriNetUnfolderBase]: 180/831 cut-off events. [2023-11-29 02:32:17,126 INFO L125 PetriNetUnfolderBase]: For 1429/1792 co-relation queries the response was YES. [2023-11-29 02:32:17,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 831 events. 180/831 cut-off events. For 1429/1792 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3833 event pairs, 65 based on Foata normal form. 2/797 useless extension candidates. Maximal degree in co-relation 2167. Up to 291 conditions per place. [2023-11-29 02:32:17,133 INFO L140 encePairwiseOnDemand]: 298/309 looper letters, 37 selfloop transitions, 0 changer transitions 79/255 dead transitions. [2023-11-29 02:32:17,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 255 transitions, 914 flow [2023-11-29 02:32:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1507 transitions. [2023-11-29 02:32:17,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8128371089536138 [2023-11-29 02:32:17,138 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1507 transitions. [2023-11-29 02:32:17,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1507 transitions. [2023-11-29 02:32:17,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:17,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1507 transitions. [2023-11-29 02:32:17,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 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 02:32:17,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:17,148 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 309.0) internal successors, (2163), 7 states have internal predecessors, (2163), 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 02:32:17,148 INFO L175 Difference]: Start difference. First operand has 283 places, 256 transitions, 809 flow. Second operand 6 states and 1507 transitions. [2023-11-29 02:32:17,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 255 transitions, 914 flow [2023-11-29 02:32:17,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 255 transitions, 889 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-29 02:32:17,158 INFO L231 Difference]: Finished difference. Result has 258 places, 176 transitions, 591 flow [2023-11-29 02:32:17,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=258, PETRI_TRANSITIONS=176} [2023-11-29 02:32:17,160 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -41 predicate places. [2023-11-29 02:32:17,160 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 176 transitions, 591 flow [2023-11-29 02:32:17,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 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 02:32:17,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:17,161 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] [2023-11-29 02:32:17,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:32:17,161 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:17,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:17,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1390304236, now seen corresponding path program 1 times [2023-11-29 02:32:17,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:17,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863893232] [2023-11-29 02:32:17,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:17,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:18,247 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 02:32:18,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:18,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863893232] [2023-11-29 02:32:18,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863893232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:18,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:18,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:18,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136523382] [2023-11-29 02:32:18,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:18,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:18,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:18,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:18,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:21,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:21,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 176 transitions, 591 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:21,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:21,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:21,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:24,665 INFO L124 PetriNetUnfolderBase]: 1054/2653 cut-off events. [2023-11-29 02:32:24,665 INFO L125 PetriNetUnfolderBase]: For 4562/4736 co-relation queries the response was YES. [2023-11-29 02:32:24,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8199 conditions, 2653 events. 1054/2653 cut-off events. For 4562/4736 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 18012 event pairs, 82 based on Foata normal form. 17/2634 useless extension candidates. Maximal degree in co-relation 8183. Up to 830 conditions per place. [2023-11-29 02:32:24,683 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 126 selfloop transitions, 116 changer transitions 0/355 dead transitions. [2023-11-29 02:32:24,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 355 transitions, 2219 flow [2023-11-29 02:32:24,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 02:32:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-29 02:32:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 7619 transitions. [2023-11-29 02:32:24,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.770529935275081 [2023-11-29 02:32:24,705 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 7619 transitions. [2023-11-29 02:32:24,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 7619 transitions. [2023-11-29 02:32:24,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:24,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 7619 transitions. [2023-11-29 02:32:24,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 238.09375) internal successors, (7619), 32 states have internal predecessors, (7619), 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 02:32:24,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 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 02:32:24,747 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 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 02:32:24,747 INFO L175 Difference]: Start difference. First operand has 258 places, 176 transitions, 591 flow. Second operand 32 states and 7619 transitions. [2023-11-29 02:32:24,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 355 transitions, 2219 flow [2023-11-29 02:32:24,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 355 transitions, 1888 flow, removed 164 selfloop flow, removed 5 redundant places. [2023-11-29 02:32:24,774 INFO L231 Difference]: Finished difference. Result has 229 places, 274 transitions, 1641 flow [2023-11-29 02:32:24,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1641, PETRI_PLACES=229, PETRI_TRANSITIONS=274} [2023-11-29 02:32:24,775 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -70 predicate places. [2023-11-29 02:32:24,775 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 274 transitions, 1641 flow [2023-11-29 02:32:24,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:24,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:24,777 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] [2023-11-29 02:32:24,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:32:24,777 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:24,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:24,778 INFO L85 PathProgramCache]: Analyzing trace with hash -727873708, now seen corresponding path program 2 times [2023-11-29 02:32:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:24,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810068333] [2023-11-29 02:32:24,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:24,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:25,664 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 02:32:25,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:25,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810068333] [2023-11-29 02:32:25,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810068333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:25,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:25,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:32:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119476309] [2023-11-29 02:32:25,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:25,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:32:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:32:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:32:29,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:29,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 274 transitions, 1641 flow. Second operand has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 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 02:32:29,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:29,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:29,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:31,110 INFO L124 PetriNetUnfolderBase]: 1183/2926 cut-off events. [2023-11-29 02:32:31,110 INFO L125 PetriNetUnfolderBase]: For 7490/7895 co-relation queries the response was YES. [2023-11-29 02:32:31,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10710 conditions, 2926 events. 1183/2926 cut-off events. For 7490/7895 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 20009 event pairs, 50 based on Foata normal form. 63/2961 useless extension candidates. Maximal degree in co-relation 10672. Up to 901 conditions per place. [2023-11-29 02:32:31,134 INFO L140 encePairwiseOnDemand]: 288/309 looper letters, 290 selfloop transitions, 139 changer transitions 0/542 dead transitions. [2023-11-29 02:32:31,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 542 transitions, 4746 flow [2023-11-29 02:32:31,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 02:32:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 02:32:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 8768 transitions. [2023-11-29 02:32:31,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7669028251552523 [2023-11-29 02:32:31,143 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 8768 transitions. [2023-11-29 02:32:31,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 8768 transitions. [2023-11-29 02:32:31,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:31,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 8768 transitions. [2023-11-29 02:32:31,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 236.97297297297297) internal successors, (8768), 37 states have internal predecessors, (8768), 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 02:32:31,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 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 02:32:31,170 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 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 02:32:31,170 INFO L175 Difference]: Start difference. First operand has 229 places, 274 transitions, 1641 flow. Second operand 37 states and 8768 transitions. [2023-11-29 02:32:31,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 542 transitions, 4746 flow [2023-11-29 02:32:31,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 542 transitions, 4729 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:31,220 INFO L231 Difference]: Finished difference. Result has 275 places, 377 transitions, 3128 flow [2023-11-29 02:32:31,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=3128, PETRI_PLACES=275, PETRI_TRANSITIONS=377} [2023-11-29 02:32:31,221 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, -24 predicate places. [2023-11-29 02:32:31,221 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 377 transitions, 3128 flow [2023-11-29 02:32:31,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 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 02:32:31,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:31,222 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] [2023-11-29 02:32:31,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:32:31,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:31,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:31,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1117357274, now seen corresponding path program 3 times [2023-11-29 02:32:31,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:31,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60920570] [2023-11-29 02:32:31,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:31,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:32,046 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 02:32:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60920570] [2023-11-29 02:32:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60920570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:32,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:32,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079605083] [2023-11-29 02:32:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:32,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:35,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:35,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 377 transitions, 3128 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:35,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:35,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:35,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:37,227 INFO L124 PetriNetUnfolderBase]: 1348/3400 cut-off events. [2023-11-29 02:32:37,227 INFO L125 PetriNetUnfolderBase]: For 17744/18261 co-relation queries the response was YES. [2023-11-29 02:32:37,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15079 conditions, 3400 events. 1348/3400 cut-off events. For 17744/18261 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 24101 event pairs, 69 based on Foata normal form. 81/3438 useless extension candidates. Maximal degree in co-relation 15027. Up to 1106 conditions per place. [2023-11-29 02:32:37,255 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 272 selfloop transitions, 171 changer transitions 0/556 dead transitions. [2023-11-29 02:32:37,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 556 transitions, 6157 flow [2023-11-29 02:32:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:32:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2023-11-29 02:32:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 7351 transitions. [2023-11-29 02:32:37,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7674078713853221 [2023-11-29 02:32:37,266 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 7351 transitions. [2023-11-29 02:32:37,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 7351 transitions. [2023-11-29 02:32:37,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:37,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 7351 transitions. [2023-11-29 02:32:37,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 237.1290322580645) internal successors, (7351), 31 states have internal predecessors, (7351), 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 02:32:37,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 309.0) internal successors, (9888), 32 states have internal predecessors, (9888), 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 02:32:37,295 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 309.0) internal successors, (9888), 32 states have internal predecessors, (9888), 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 02:32:37,295 INFO L175 Difference]: Start difference. First operand has 275 places, 377 transitions, 3128 flow. Second operand 31 states and 7351 transitions. [2023-11-29 02:32:37,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 556 transitions, 6157 flow [2023-11-29 02:32:37,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 556 transitions, 5895 flow, removed 68 selfloop flow, removed 11 redundant places. [2023-11-29 02:32:37,487 INFO L231 Difference]: Finished difference. Result has 306 places, 450 transitions, 4715 flow [2023-11-29 02:32:37,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=2897, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=4715, PETRI_PLACES=306, PETRI_TRANSITIONS=450} [2023-11-29 02:32:37,489 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 7 predicate places. [2023-11-29 02:32:37,489 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 450 transitions, 4715 flow [2023-11-29 02:32:37,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:37,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:37,490 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] [2023-11-29 02:32:37,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:32:37,490 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:37,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1280325124, now seen corresponding path program 4 times [2023-11-29 02:32:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57583299] [2023-11-29 02:32:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:38,275 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 02:32:38,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:38,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57583299] [2023-11-29 02:32:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57583299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:38,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134124667] [2023-11-29 02:32:38,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:38,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:38,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:38,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:41,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:41,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 450 transitions, 4715 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:41,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:41,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:41,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:44,715 INFO L124 PetriNetUnfolderBase]: 1583/3945 cut-off events. [2023-11-29 02:32:44,715 INFO L125 PetriNetUnfolderBase]: For 28350/28875 co-relation queries the response was YES. [2023-11-29 02:32:44,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19291 conditions, 3945 events. 1583/3945 cut-off events. For 28350/28875 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 28573 event pairs, 77 based on Foata normal form. 89/3983 useless extension candidates. Maximal degree in co-relation 19227. Up to 1309 conditions per place. [2023-11-29 02:32:44,751 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 300 selfloop transitions, 232 changer transitions 0/645 dead transitions. [2023-11-29 02:32:44,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 645 transitions, 8412 flow [2023-11-29 02:32:44,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:32:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:32:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7837 transitions. [2023-11-29 02:32:44,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7685593802098657 [2023-11-29 02:32:44,759 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7837 transitions. [2023-11-29 02:32:44,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7837 transitions. [2023-11-29 02:32:44,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:44,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7837 transitions. [2023-11-29 02:32:44,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.4848484848485) internal successors, (7837), 33 states have internal predecessors, (7837), 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 02:32:44,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:44,779 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:44,780 INFO L175 Difference]: Start difference. First operand has 306 places, 450 transitions, 4715 flow. Second operand 33 states and 7837 transitions. [2023-11-29 02:32:44,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 645 transitions, 8412 flow [2023-11-29 02:32:45,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 645 transitions, 7886 flow, removed 221 selfloop flow, removed 16 redundant places. [2023-11-29 02:32:45,032 INFO L231 Difference]: Finished difference. Result has 331 places, 521 transitions, 6234 flow [2023-11-29 02:32:45,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=4329, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=6234, PETRI_PLACES=331, PETRI_TRANSITIONS=521} [2023-11-29 02:32:45,033 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 32 predicate places. [2023-11-29 02:32:45,033 INFO L495 AbstractCegarLoop]: Abstraction has has 331 places, 521 transitions, 6234 flow [2023-11-29 02:32:45,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:45,034 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:45,034 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] [2023-11-29 02:32:45,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:32:45,034 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:45,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:45,035 INFO L85 PathProgramCache]: Analyzing trace with hash 214564300, now seen corresponding path program 5 times [2023-11-29 02:32:45,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:45,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523462276] [2023-11-29 02:32:45,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:45,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:45,813 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 02:32:45,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:45,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523462276] [2023-11-29 02:32:45,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523462276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:45,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:45,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:45,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037916433] [2023-11-29 02:32:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:49,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:49,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 521 transitions, 6234 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:49,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:49,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:49,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:52,215 INFO L124 PetriNetUnfolderBase]: 1674/4222 cut-off events. [2023-11-29 02:32:52,215 INFO L125 PetriNetUnfolderBase]: For 37349/37878 co-relation queries the response was YES. [2023-11-29 02:32:52,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22366 conditions, 4222 events. 1674/4222 cut-off events. For 37349/37878 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 31230 event pairs, 130 based on Foata normal form. 85/4248 useless extension candidates. Maximal degree in co-relation 22293. Up to 1475 conditions per place. [2023-11-29 02:32:52,250 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 312 selfloop transitions, 236 changer transitions 0/661 dead transitions. [2023-11-29 02:32:52,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 661 transitions, 9214 flow [2023-11-29 02:32:52,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:32:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:32:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7825 transitions. [2023-11-29 02:32:52,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7673825634990683 [2023-11-29 02:32:52,257 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7825 transitions. [2023-11-29 02:32:52,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7825 transitions. [2023-11-29 02:32:52,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:52,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7825 transitions. [2023-11-29 02:32:52,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.12121212121212) internal successors, (7825), 33 states have internal predecessors, (7825), 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 02:32:52,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:52,273 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:52,273 INFO L175 Difference]: Start difference. First operand has 331 places, 521 transitions, 6234 flow. Second operand 33 states and 7825 transitions. [2023-11-29 02:32:52,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 661 transitions, 9214 flow [2023-11-29 02:32:52,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 661 transitions, 8636 flow, removed 180 selfloop flow, removed 21 redundant places. [2023-11-29 02:32:52,536 INFO L231 Difference]: Finished difference. Result has 347 places, 552 transitions, 7007 flow [2023-11-29 02:32:52,536 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=5768, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=7007, PETRI_PLACES=347, PETRI_TRANSITIONS=552} [2023-11-29 02:32:52,537 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 48 predicate places. [2023-11-29 02:32:52,537 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 552 transitions, 7007 flow [2023-11-29 02:32:52,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:52,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:52,538 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] [2023-11-29 02:32:52,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:32:52,538 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:52,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash -324574746, now seen corresponding path program 6 times [2023-11-29 02:32:52,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:52,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683080067] [2023-11-29 02:32:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:53,214 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 02:32:53,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683080067] [2023-11-29 02:32:53,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683080067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:53,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181228188] [2023-11-29 02:32:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:53,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:53,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:32:56,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:32:56,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 552 transitions, 7007 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:56,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:56,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:32:56,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:58,765 INFO L124 PetriNetUnfolderBase]: 1679/4331 cut-off events. [2023-11-29 02:32:58,765 INFO L125 PetriNetUnfolderBase]: For 39785/40306 co-relation queries the response was YES. [2023-11-29 02:32:58,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23188 conditions, 4331 events. 1679/4331 cut-off events. For 39785/40306 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 32618 event pairs, 105 based on Foata normal form. 89/4353 useless extension candidates. Maximal degree in co-relation 23111. Up to 1453 conditions per place. [2023-11-29 02:32:58,804 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 320 selfloop transitions, 256 changer transitions 0/689 dead transitions. [2023-11-29 02:32:58,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 689 transitions, 9903 flow [2023-11-29 02:32:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:32:58,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:32:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7831 transitions. [2023-11-29 02:32:58,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.767970971854467 [2023-11-29 02:32:58,869 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7831 transitions. [2023-11-29 02:32:58,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7831 transitions. [2023-11-29 02:32:58,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:58,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7831 transitions. [2023-11-29 02:32:58,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.3030303030303) internal successors, (7831), 33 states have internal predecessors, (7831), 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 02:32:58,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:58,892 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:32:58,893 INFO L175 Difference]: Start difference. First operand has 347 places, 552 transitions, 7007 flow. Second operand 33 states and 7831 transitions. [2023-11-29 02:32:58,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 689 transitions, 9903 flow [2023-11-29 02:32:59,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 689 transitions, 9525 flow, removed 55 selfloop flow, removed 25 redundant places. [2023-11-29 02:32:59,262 INFO L231 Difference]: Finished difference. Result has 361 places, 576 transitions, 7793 flow [2023-11-29 02:32:59,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=6648, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=7793, PETRI_PLACES=361, PETRI_TRANSITIONS=576} [2023-11-29 02:32:59,262 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 62 predicate places. [2023-11-29 02:32:59,263 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 576 transitions, 7793 flow [2023-11-29 02:32:59,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:32:59,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:59,263 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] [2023-11-29 02:32:59,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:32:59,263 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:32:59,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:59,264 INFO L85 PathProgramCache]: Analyzing trace with hash -48379308, now seen corresponding path program 7 times [2023-11-29 02:32:59,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:59,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001539439] [2023-11-29 02:32:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:59,985 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 02:32:59,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:59,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001539439] [2023-11-29 02:32:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001539439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:59,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:59,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:32:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530723642] [2023-11-29 02:32:59,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:59,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:32:59,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:59,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:32:59,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:03,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:03,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 576 transitions, 7793 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:03,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:03,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:03,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:06,910 INFO L124 PetriNetUnfolderBase]: 1894/4930 cut-off events. [2023-11-29 02:33:06,910 INFO L125 PetriNetUnfolderBase]: For 52784/53201 co-relation queries the response was YES. [2023-11-29 02:33:06,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27869 conditions, 4930 events. 1894/4930 cut-off events. For 52784/53201 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 38572 event pairs, 137 based on Foata normal form. 50/4893 useless extension candidates. Maximal degree in co-relation 27785. Up to 2037 conditions per place. [2023-11-29 02:33:06,951 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 399 selfloop transitions, 259 changer transitions 0/771 dead transitions. [2023-11-29 02:33:06,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 771 transitions, 12364 flow [2023-11-29 02:33:06,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:33:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 02:33:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 6656 transitions. [2023-11-29 02:33:06,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7693018955154878 [2023-11-29 02:33:06,957 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 6656 transitions. [2023-11-29 02:33:06,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 6656 transitions. [2023-11-29 02:33:06,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:06,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 6656 transitions. [2023-11-29 02:33:06,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 237.71428571428572) internal successors, (6656), 28 states have internal predecessors, (6656), 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 02:33:06,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:33:06,970 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:33:06,970 INFO L175 Difference]: Start difference. First operand has 361 places, 576 transitions, 7793 flow. Second operand 28 states and 6656 transitions. [2023-11-29 02:33:06,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 771 transitions, 12364 flow [2023-11-29 02:33:07,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 771 transitions, 11981 flow, removed 61 selfloop flow, removed 22 redundant places. [2023-11-29 02:33:07,350 INFO L231 Difference]: Finished difference. Result has 379 places, 698 transitions, 10885 flow [2023-11-29 02:33:07,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=7447, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=10885, PETRI_PLACES=379, PETRI_TRANSITIONS=698} [2023-11-29 02:33:07,351 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 80 predicate places. [2023-11-29 02:33:07,351 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 698 transitions, 10885 flow [2023-11-29 02:33:07,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:07,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:07,352 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] [2023-11-29 02:33:07,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:33:07,352 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:07,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1825859912, now seen corresponding path program 8 times [2023-11-29 02:33:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:07,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752389138] [2023-11-29 02:33:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:08,098 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 02:33:08,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:08,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752389138] [2023-11-29 02:33:08,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752389138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:08,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:08,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:08,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683463730] [2023-11-29 02:33:08,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:08,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:08,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:08,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:08,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:11,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:11,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 698 transitions, 10885 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:11,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:11,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:11,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:14,045 INFO L124 PetriNetUnfolderBase]: 2023/5335 cut-off events. [2023-11-29 02:33:14,045 INFO L125 PetriNetUnfolderBase]: For 67975/68482 co-relation queries the response was YES. [2023-11-29 02:33:14,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32039 conditions, 5335 events. 2023/5335 cut-off events. For 67975/68482 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 42790 event pairs, 215 based on Foata normal form. 56/5292 useless extension candidates. Maximal degree in co-relation 31942. Up to 2457 conditions per place. [2023-11-29 02:33:14,180 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 445 selfloop transitions, 251 changer transitions 0/809 dead transitions. [2023-11-29 02:33:14,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 809 transitions, 14119 flow [2023-11-29 02:33:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 02:33:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-29 02:33:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5224 transitions. [2023-11-29 02:33:14,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7684613121506325 [2023-11-29 02:33:14,187 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5224 transitions. [2023-11-29 02:33:14,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5224 transitions. [2023-11-29 02:33:14,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:14,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5224 transitions. [2023-11-29 02:33:14,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 237.45454545454547) internal successors, (5224), 22 states have internal predecessors, (5224), 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 02:33:14,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 309.0) internal successors, (7107), 23 states have internal predecessors, (7107), 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 02:33:14,200 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 309.0) internal successors, (7107), 23 states have internal predecessors, (7107), 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 02:33:14,200 INFO L175 Difference]: Start difference. First operand has 379 places, 698 transitions, 10885 flow. Second operand 22 states and 5224 transitions. [2023-11-29 02:33:14,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 809 transitions, 14119 flow [2023-11-29 02:33:14,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 809 transitions, 13385 flow, removed 342 selfloop flow, removed 10 redundant places. [2023-11-29 02:33:14,915 INFO L231 Difference]: Finished difference. Result has 399 places, 760 transitions, 12573 flow [2023-11-29 02:33:14,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=10359, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=12573, PETRI_PLACES=399, PETRI_TRANSITIONS=760} [2023-11-29 02:33:14,916 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 100 predicate places. [2023-11-29 02:33:14,916 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 760 transitions, 12573 flow [2023-11-29 02:33:14,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:14,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:14,917 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] [2023-11-29 02:33:14,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:33:14,917 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:14,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:14,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1247398134, now seen corresponding path program 9 times [2023-11-29 02:33:14,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:14,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641700176] [2023-11-29 02:33:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:15,676 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 02:33:15,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:15,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641700176] [2023-11-29 02:33:15,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641700176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:15,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:15,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:15,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002989011] [2023-11-29 02:33:15,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:15,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:15,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:15,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:15,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:18,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:18,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 760 transitions, 12573 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:18,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:18,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:18,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:21,541 INFO L124 PetriNetUnfolderBase]: 2174/5730 cut-off events. [2023-11-29 02:33:21,541 INFO L125 PetriNetUnfolderBase]: For 82211/82849 co-relation queries the response was YES. [2023-11-29 02:33:21,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35655 conditions, 5730 events. 2174/5730 cut-off events. For 82211/82849 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 46449 event pairs, 193 based on Foata normal form. 89/5712 useless extension candidates. Maximal degree in co-relation 35549. Up to 2494 conditions per place. [2023-11-29 02:33:21,598 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 435 selfloop transitions, 331 changer transitions 0/879 dead transitions. [2023-11-29 02:33:21,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 879 transitions, 16075 flow [2023-11-29 02:33:21,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:33:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-29 02:33:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 6178 transitions. [2023-11-29 02:33:21,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7689818272342545 [2023-11-29 02:33:21,603 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 6178 transitions. [2023-11-29 02:33:21,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 6178 transitions. [2023-11-29 02:33:21,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:21,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 6178 transitions. [2023-11-29 02:33:21,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 237.6153846153846) internal successors, (6178), 26 states have internal predecessors, (6178), 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 02:33:21,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 309.0) internal successors, (8343), 27 states have internal predecessors, (8343), 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 02:33:21,613 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 309.0) internal successors, (8343), 27 states have internal predecessors, (8343), 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 02:33:21,614 INFO L175 Difference]: Start difference. First operand has 399 places, 760 transitions, 12573 flow. Second operand 26 states and 6178 transitions. [2023-11-29 02:33:21,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 879 transitions, 16075 flow [2023-11-29 02:33:22,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 879 transitions, 15727 flow, removed 117 selfloop flow, removed 11 redundant places. [2023-11-29 02:33:22,375 INFO L231 Difference]: Finished difference. Result has 423 places, 827 transitions, 14947 flow [2023-11-29 02:33:22,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=12325, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=14947, PETRI_PLACES=423, PETRI_TRANSITIONS=827} [2023-11-29 02:33:22,376 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 124 predicate places. [2023-11-29 02:33:22,376 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 827 transitions, 14947 flow [2023-11-29 02:33:22,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:22,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:22,377 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] [2023-11-29 02:33:22,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:33:22,377 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:22,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:22,377 INFO L85 PathProgramCache]: Analyzing trace with hash -180075576, now seen corresponding path program 10 times [2023-11-29 02:33:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:22,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107994716] [2023-11-29 02:33:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:23,244 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 02:33:23,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:23,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107994716] [2023-11-29 02:33:23,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107994716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:23,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:23,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963464906] [2023-11-29 02:33:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:23,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:23,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:23,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:27,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:27,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 827 transitions, 14947 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:27,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:27,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:27,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:30,583 INFO L124 PetriNetUnfolderBase]: 2367/6271 cut-off events. [2023-11-29 02:33:30,583 INFO L125 PetriNetUnfolderBase]: For 108281/108927 co-relation queries the response was YES. [2023-11-29 02:33:30,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41485 conditions, 6271 events. 2367/6271 cut-off events. For 108281/108927 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 52272 event pairs, 213 based on Foata normal form. 97/6249 useless extension candidates. Maximal degree in co-relation 41369. Up to 2678 conditions per place. [2023-11-29 02:33:30,667 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 494 selfloop transitions, 341 changer transitions 0/948 dead transitions. [2023-11-29 02:33:30,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 948 transitions, 18818 flow [2023-11-29 02:33:30,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:33:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 02:33:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 6414 transitions. [2023-11-29 02:33:30,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7687882056814096 [2023-11-29 02:33:30,672 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 6414 transitions. [2023-11-29 02:33:30,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 6414 transitions. [2023-11-29 02:33:30,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:30,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 6414 transitions. [2023-11-29 02:33:30,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 237.55555555555554) internal successors, (6414), 27 states have internal predecessors, (6414), 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 02:33:30,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 309.0) internal successors, (8652), 28 states have internal predecessors, (8652), 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 02:33:30,799 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 309.0) internal successors, (8652), 28 states have internal predecessors, (8652), 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 02:33:30,799 INFO L175 Difference]: Start difference. First operand has 423 places, 827 transitions, 14947 flow. Second operand 27 states and 6414 transitions. [2023-11-29 02:33:30,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 948 transitions, 18818 flow [2023-11-29 02:33:31,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 948 transitions, 18452 flow, removed 102 selfloop flow, removed 13 redundant places. [2023-11-29 02:33:31,835 INFO L231 Difference]: Finished difference. Result has 446 places, 886 transitions, 17247 flow [2023-11-29 02:33:31,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=14602, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=17247, PETRI_PLACES=446, PETRI_TRANSITIONS=886} [2023-11-29 02:33:31,837 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 147 predicate places. [2023-11-29 02:33:31,837 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 886 transitions, 17247 flow [2023-11-29 02:33:31,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:31,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:31,837 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] [2023-11-29 02:33:31,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:33:31,837 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:31,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:31,838 INFO L85 PathProgramCache]: Analyzing trace with hash -350697492, now seen corresponding path program 11 times [2023-11-29 02:33:31,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:31,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944455558] [2023-11-29 02:33:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:31,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:32,586 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 02:33:32,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:32,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944455558] [2023-11-29 02:33:32,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944455558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:32,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:32,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:32,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652078614] [2023-11-29 02:33:32,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:32,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:32,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:32,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:32,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:36,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:36,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 886 transitions, 17247 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:36,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:36,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:36,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:40,512 INFO L124 PetriNetUnfolderBase]: 2458/6574 cut-off events. [2023-11-29 02:33:40,512 INFO L125 PetriNetUnfolderBase]: For 131140/131790 co-relation queries the response was YES. [2023-11-29 02:33:40,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45336 conditions, 6574 events. 2458/6574 cut-off events. For 131140/131790 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 55890 event pairs, 180 based on Foata normal form. 101/6548 useless extension candidates. Maximal degree in co-relation 45210. Up to 2693 conditions per place. [2023-11-29 02:33:40,598 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 473 selfloop transitions, 403 changer transitions 0/989 dead transitions. [2023-11-29 02:33:40,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 989 transitions, 20684 flow [2023-11-29 02:33:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:33:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 02:33:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 6659 transitions. [2023-11-29 02:33:40,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7696486361534906 [2023-11-29 02:33:40,604 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 6659 transitions. [2023-11-29 02:33:40,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 6659 transitions. [2023-11-29 02:33:40,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:40,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 6659 transitions. [2023-11-29 02:33:40,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 237.82142857142858) internal successors, (6659), 28 states have internal predecessors, (6659), 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 02:33:40,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:33:40,618 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:33:40,618 INFO L175 Difference]: Start difference. First operand has 446 places, 886 transitions, 17247 flow. Second operand 28 states and 6659 transitions. [2023-11-29 02:33:40,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 989 transitions, 20684 flow [2023-11-29 02:33:41,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 989 transitions, 20331 flow, removed 112 selfloop flow, removed 12 redundant places. [2023-11-29 02:33:41,955 INFO L231 Difference]: Finished difference. Result has 468 places, 924 transitions, 19025 flow [2023-11-29 02:33:41,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=16894, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=367, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=19025, PETRI_PLACES=468, PETRI_TRANSITIONS=924} [2023-11-29 02:33:41,956 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 169 predicate places. [2023-11-29 02:33:41,957 INFO L495 AbstractCegarLoop]: Abstraction has has 468 places, 924 transitions, 19025 flow [2023-11-29 02:33:41,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:41,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:41,957 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] [2023-11-29 02:33:41,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:33:41,957 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:41,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:41,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1717533956, now seen corresponding path program 12 times [2023-11-29 02:33:41,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:41,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055564818] [2023-11-29 02:33:41,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:42,770 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 02:33:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:42,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055564818] [2023-11-29 02:33:42,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055564818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:42,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:42,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:42,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596350532] [2023-11-29 02:33:42,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:42,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:42,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:42,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:47,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:47,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 924 transitions, 19025 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:47,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:47,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:47,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:33:51,233 INFO L124 PetriNetUnfolderBase]: 2611/6947 cut-off events. [2023-11-29 02:33:51,233 INFO L125 PetriNetUnfolderBase]: For 158020/158535 co-relation queries the response was YES. [2023-11-29 02:33:51,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50578 conditions, 6947 events. 2611/6947 cut-off events. For 158020/158535 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 59703 event pairs, 303 based on Foata normal form. 64/6872 useless extension candidates. Maximal degree in co-relation 50445. Up to 3112 conditions per place. [2023-11-29 02:33:51,332 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 563 selfloop transitions, 369 changer transitions 0/1045 dead transitions. [2023-11-29 02:33:51,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1045 transitions, 23378 flow [2023-11-29 02:33:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:33:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-29 02:33:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 6170 transitions. [2023-11-29 02:33:51,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7679860592481952 [2023-11-29 02:33:51,336 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 6170 transitions. [2023-11-29 02:33:51,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 6170 transitions. [2023-11-29 02:33:51,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:33:51,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 6170 transitions. [2023-11-29 02:33:51,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 237.30769230769232) internal successors, (6170), 26 states have internal predecessors, (6170), 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 02:33:51,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 309.0) internal successors, (8343), 27 states have internal predecessors, (8343), 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 02:33:51,346 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 309.0) internal successors, (8343), 27 states have internal predecessors, (8343), 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 02:33:51,346 INFO L175 Difference]: Start difference. First operand has 468 places, 924 transitions, 19025 flow. Second operand 26 states and 6170 transitions. [2023-11-29 02:33:51,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1045 transitions, 23378 flow [2023-11-29 02:33:53,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 1045 transitions, 22840 flow, removed 109 selfloop flow, removed 17 redundant places. [2023-11-29 02:33:53,197 INFO L231 Difference]: Finished difference. Result has 485 places, 989 transitions, 21790 flow [2023-11-29 02:33:53,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=18539, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=21790, PETRI_PLACES=485, PETRI_TRANSITIONS=989} [2023-11-29 02:33:53,199 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 186 predicate places. [2023-11-29 02:33:53,199 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 989 transitions, 21790 flow [2023-11-29 02:33:53,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:53,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:33:53,199 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] [2023-11-29 02:33:53,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:33:53,199 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:33:53,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:33:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash -972858104, now seen corresponding path program 13 times [2023-11-29 02:33:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:33:53,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565430756] [2023-11-29 02:33:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:33:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:33:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:33:54,174 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 02:33:54,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:33:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565430756] [2023-11-29 02:33:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565430756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:33:54,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:33:54,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:33:54,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531417093] [2023-11-29 02:33:54,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:33:54,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:33:54,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:33:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:33:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:33:57,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:33:57,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 989 transitions, 21790 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:33:57,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:33:57,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:33:57,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:34:01,403 INFO L124 PetriNetUnfolderBase]: 2678/7178 cut-off events. [2023-11-29 02:34:01,403 INFO L125 PetriNetUnfolderBase]: For 185232/185751 co-relation queries the response was YES. [2023-11-29 02:34:01,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54282 conditions, 7178 events. 2678/7178 cut-off events. For 185232/185751 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 62446 event pairs, 295 based on Foata normal form. 72/7103 useless extension candidates. Maximal degree in co-relation 54140. Up to 3237 conditions per place. [2023-11-29 02:34:01,502 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 562 selfloop transitions, 396 changer transitions 0/1071 dead transitions. [2023-11-29 02:34:01,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 1071 transitions, 25247 flow [2023-11-29 02:34:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:34:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-11-29 02:34:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 5939 transitions. [2023-11-29 02:34:01,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7688025889967638 [2023-11-29 02:34:01,506 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 5939 transitions. [2023-11-29 02:34:01,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 5939 transitions. [2023-11-29 02:34:01,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:34:01,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 5939 transitions. [2023-11-29 02:34:01,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 237.56) internal successors, (5939), 25 states have internal predecessors, (5939), 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 02:34:01,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 309.0) internal successors, (8034), 26 states have internal predecessors, (8034), 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 02:34:01,520 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 309.0) internal successors, (8034), 26 states have internal predecessors, (8034), 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 02:34:01,520 INFO L175 Difference]: Start difference. First operand has 485 places, 989 transitions, 21790 flow. Second operand 25 states and 5939 transitions. [2023-11-29 02:34:01,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 1071 transitions, 25247 flow [2023-11-29 02:34:03,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 1071 transitions, 24842 flow, removed 103 selfloop flow, removed 15 redundant places. [2023-11-29 02:34:03,720 INFO L231 Difference]: Finished difference. Result has 502 places, 1024 transitions, 23902 flow [2023-11-29 02:34:03,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=21394, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=363, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=23902, PETRI_PLACES=502, PETRI_TRANSITIONS=1024} [2023-11-29 02:34:03,721 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 203 predicate places. [2023-11-29 02:34:03,721 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 1024 transitions, 23902 flow [2023-11-29 02:34:03,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:03,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:34:03,722 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] [2023-11-29 02:34:03,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:34:03,722 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:34:03,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:03,723 INFO L85 PathProgramCache]: Analyzing trace with hash -149733994, now seen corresponding path program 14 times [2023-11-29 02:34:03,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:03,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929854124] [2023-11-29 02:34:03,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:04,432 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 02:34:04,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:04,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929854124] [2023-11-29 02:34:04,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929854124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:04,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:04,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:34:04,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714788494] [2023-11-29 02:34:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:04,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:34:04,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:34:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:34:08,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:34:08,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 1024 transitions, 23902 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:08,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:34:08,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:34:08,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:34:12,815 INFO L124 PetriNetUnfolderBase]: 2683/7291 cut-off events. [2023-11-29 02:34:12,815 INFO L125 PetriNetUnfolderBase]: For 209106/209621 co-relation queries the response was YES. [2023-11-29 02:34:12,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56815 conditions, 7291 events. 2683/7291 cut-off events. For 209106/209621 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 64107 event pairs, 264 based on Foata normal form. 68/7204 useless extension candidates. Maximal degree in co-relation 56666. Up to 3059 conditions per place. [2023-11-29 02:34:12,912 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 515 selfloop transitions, 464 changer transitions 0/1092 dead transitions. [2023-11-29 02:34:12,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 1092 transitions, 26837 flow [2023-11-29 02:34:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:34:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 02:34:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 6652 transitions. [2023-11-29 02:34:12,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7688395746648173 [2023-11-29 02:34:12,917 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 6652 transitions. [2023-11-29 02:34:12,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 6652 transitions. [2023-11-29 02:34:12,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:34:12,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 6652 transitions. [2023-11-29 02:34:12,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 237.57142857142858) internal successors, (6652), 28 states have internal predecessors, (6652), 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 02:34:12,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:34:12,933 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:34:12,933 INFO L175 Difference]: Start difference. First operand has 502 places, 1024 transitions, 23902 flow. Second operand 28 states and 6652 transitions. [2023-11-29 02:34:12,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 1092 transitions, 26837 flow [2023-11-29 02:34:15,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1092 transitions, 26432 flow, removed 107 selfloop flow, removed 14 redundant places. [2023-11-29 02:34:15,706 INFO L231 Difference]: Finished difference. Result has 519 places, 1042 transitions, 25268 flow [2023-11-29 02:34:15,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=23531, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=448, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=25268, PETRI_PLACES=519, PETRI_TRANSITIONS=1042} [2023-11-29 02:34:15,707 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 220 predicate places. [2023-11-29 02:34:15,707 INFO L495 AbstractCegarLoop]: Abstraction has has 519 places, 1042 transitions, 25268 flow [2023-11-29 02:34:15,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:15,708 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:34:15,708 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] [2023-11-29 02:34:15,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:34:15,708 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:34:15,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:15,708 INFO L85 PathProgramCache]: Analyzing trace with hash -704364314, now seen corresponding path program 15 times [2023-11-29 02:34:15,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:15,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518724182] [2023-11-29 02:34:15,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:16,426 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 02:34:16,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:16,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518724182] [2023-11-29 02:34:16,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518724182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:16,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:16,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:34:16,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481660772] [2023-11-29 02:34:16,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:16,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:34:16,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:34:16,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:34:20,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:34:20,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 1042 transitions, 25268 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:20,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:34:20,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:34:20,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:34:24,334 INFO L124 PetriNetUnfolderBase]: 2688/7420 cut-off events. [2023-11-29 02:34:24,334 INFO L125 PetriNetUnfolderBase]: For 230076/230587 co-relation queries the response was YES. [2023-11-29 02:34:24,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58973 conditions, 7420 events. 2688/7420 cut-off events. For 230076/230587 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 66052 event pairs, 259 based on Foata normal form. 72/7329 useless extension candidates. Maximal degree in co-relation 58820. Up to 3187 conditions per place. [2023-11-29 02:34:24,437 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 577 selfloop transitions, 419 changer transitions 0/1109 dead transitions. [2023-11-29 02:34:24,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 1109 transitions, 28292 flow [2023-11-29 02:34:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 02:34:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 02:34:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 6413 transitions. [2023-11-29 02:34:24,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7686683447201247 [2023-11-29 02:34:24,441 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 6413 transitions. [2023-11-29 02:34:24,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 6413 transitions. [2023-11-29 02:34:24,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:34:24,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 6413 transitions. [2023-11-29 02:34:24,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 237.5185185185185) internal successors, (6413), 27 states have internal predecessors, (6413), 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 02:34:24,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 309.0) internal successors, (8652), 28 states have internal predecessors, (8652), 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 02:34:24,450 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 309.0) internal successors, (8652), 28 states have internal predecessors, (8652), 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 02:34:24,450 INFO L175 Difference]: Start difference. First operand has 519 places, 1042 transitions, 25268 flow. Second operand 27 states and 6413 transitions. [2023-11-29 02:34:24,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 1109 transitions, 28292 flow [2023-11-29 02:34:26,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 1109 transitions, 27691 flow, removed 134 selfloop flow, removed 20 redundant places. [2023-11-29 02:34:26,959 INFO L231 Difference]: Finished difference. Result has 529 places, 1060 transitions, 26414 flow [2023-11-29 02:34:26,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=24699, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=403, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=26414, PETRI_PLACES=529, PETRI_TRANSITIONS=1060} [2023-11-29 02:34:26,960 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 230 predicate places. [2023-11-29 02:34:26,961 INFO L495 AbstractCegarLoop]: Abstraction has has 529 places, 1060 transitions, 26414 flow [2023-11-29 02:34:26,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:26,961 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:34:26,961 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] [2023-11-29 02:34:26,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:34:26,962 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:34:26,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:26,962 INFO L85 PathProgramCache]: Analyzing trace with hash 372666196, now seen corresponding path program 1 times [2023-11-29 02:34:26,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:26,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146413513] [2023-11-29 02:34:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:34:27,612 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 02:34:27,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:34:27,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146413513] [2023-11-29 02:34:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146413513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:34:27,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:34:27,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:34:27,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113035883] [2023-11-29 02:34:27,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:34:27,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:34:27,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:34:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:34:27,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:34:30,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:34:30,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 1060 transitions, 26414 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:30,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:34:30,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:34:30,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:34:40,831 INFO L124 PetriNetUnfolderBase]: 7999/20636 cut-off events. [2023-11-29 02:34:40,831 INFO L125 PetriNetUnfolderBase]: For 677876/678138 co-relation queries the response was YES. [2023-11-29 02:34:41,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152961 conditions, 20636 events. 7999/20636 cut-off events. For 677876/678138 co-relation queries the response was YES. Maximal size of possible extension queue 784. Compared 219362 event pairs, 213 based on Foata normal form. 143/20386 useless extension candidates. Maximal degree in co-relation 152804. Up to 6255 conditions per place. [2023-11-29 02:34:41,214 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 821 selfloop transitions, 1260 changer transitions 0/2327 dead transitions. [2023-11-29 02:34:41,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 2327 transitions, 66243 flow [2023-11-29 02:34:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 02:34:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-29 02:34:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 7623 transitions. [2023-11-29 02:34:41,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7709344660194175 [2023-11-29 02:34:41,220 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 7623 transitions. [2023-11-29 02:34:41,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 7623 transitions. [2023-11-29 02:34:41,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:34:41,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 7623 transitions. [2023-11-29 02:34:41,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 238.21875) internal successors, (7623), 32 states have internal predecessors, (7623), 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 02:34:41,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 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 02:34:41,231 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 309.0) internal successors, (10197), 33 states have internal predecessors, (10197), 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 02:34:41,231 INFO L175 Difference]: Start difference. First operand has 529 places, 1060 transitions, 26414 flow. Second operand 32 states and 7623 transitions. [2023-11-29 02:34:41,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 2327 transitions, 66243 flow [2023-11-29 02:34:59,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 2327 transitions, 65449 flow, removed 134 selfloop flow, removed 19 redundant places. [2023-11-29 02:34:59,635 INFO L231 Difference]: Finished difference. Result has 566 places, 1967 transitions, 55244 flow [2023-11-29 02:34:59,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=26018, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=362, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=55244, PETRI_PLACES=566, PETRI_TRANSITIONS=1967} [2023-11-29 02:34:59,636 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 267 predicate places. [2023-11-29 02:34:59,637 INFO L495 AbstractCegarLoop]: Abstraction has has 566 places, 1967 transitions, 55244 flow [2023-11-29 02:34:59,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:34:59,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:34:59,637 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] [2023-11-29 02:34:59,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:34:59,638 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:34:59,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:34:59,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1130880730, now seen corresponding path program 2 times [2023-11-29 02:34:59,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:34:59,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421081549] [2023-11-29 02:34:59,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:34:59,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:34:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:35:00,306 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 02:35:00,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:35:00,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421081549] [2023-11-29 02:35:00,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421081549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:35:00,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:35:00,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-29 02:35:00,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8990743] [2023-11-29 02:35:00,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:35:00,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 02:35:00,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:35:00,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 02:35:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:35:03,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:35:03,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1967 transitions, 55244 flow. Second operand has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 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 02:35:03,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:35:03,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:35:03,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:35:17,815 INFO L124 PetriNetUnfolderBase]: 8797/21428 cut-off events. [2023-11-29 02:35:17,815 INFO L125 PetriNetUnfolderBase]: For 832581/833007 co-relation queries the response was YES. [2023-11-29 02:35:18,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182303 conditions, 21428 events. 8797/21428 cut-off events. For 832581/833007 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 222396 event pairs, 476 based on Foata normal form. 258/21288 useless extension candidates. Maximal degree in co-relation 182121. Up to 5371 conditions per place. [2023-11-29 02:35:18,287 INFO L140 encePairwiseOnDemand]: 288/309 looper letters, 2356 selfloop transitions, 1181 changer transitions 0/3783 dead transitions. [2023-11-29 02:35:18,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 3783 transitions, 113785 flow [2023-11-29 02:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 02:35:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 02:35:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 8768 transitions. [2023-11-29 02:35:18,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7669028251552523 [2023-11-29 02:35:18,294 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 8768 transitions. [2023-11-29 02:35:18,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 8768 transitions. [2023-11-29 02:35:18,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:35:18,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 8768 transitions. [2023-11-29 02:35:18,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 236.97297297297297) internal successors, (8768), 37 states have internal predecessors, (8768), 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 02:35:18,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 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 02:35:18,306 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 309.0) internal successors, (11742), 38 states have internal predecessors, (11742), 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 02:35:18,306 INFO L175 Difference]: Start difference. First operand has 566 places, 1967 transitions, 55244 flow. Second operand 37 states and 8768 transitions. [2023-11-29 02:35:18,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 3783 transitions, 113785 flow [2023-11-29 02:35:42,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 3783 transitions, 113752 flow, removed 13 selfloop flow, removed 4 redundant places. [2023-11-29 02:35:42,499 INFO L231 Difference]: Finished difference. Result has 612 places, 2940 transitions, 95670 flow [2023-11-29 02:35:42,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=55213, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=320, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=95670, PETRI_PLACES=612, PETRI_TRANSITIONS=2940} [2023-11-29 02:35:42,501 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 313 predicate places. [2023-11-29 02:35:42,501 INFO L495 AbstractCegarLoop]: Abstraction has has 612 places, 2940 transitions, 95670 flow [2023-11-29 02:35:42,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 233.0625) internal successors, (3729), 16 states have internal predecessors, (3729), 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 02:35:42,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:35:42,501 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] [2023-11-29 02:35:42,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:35:42,502 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:35:42,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:35:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1076589940, now seen corresponding path program 3 times [2023-11-29 02:35:42,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:35:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779150550] [2023-11-29 02:35:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:35:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:35:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:35:43,211 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 02:35:43,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:35:43,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779150550] [2023-11-29 02:35:43,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779150550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:35:43,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:35:43,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:35:43,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665972755] [2023-11-29 02:35:43,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:35:43,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:35:43,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:35:43,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:35:43,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:35:46,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:35:46,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 2940 transitions, 95670 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:35:46,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:35:46,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:35:46,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:36:09,991 INFO L124 PetriNetUnfolderBase]: 10333/24201 cut-off events. [2023-11-29 02:36:09,991 INFO L125 PetriNetUnfolderBase]: For 1258245/1259307 co-relation queries the response was YES. [2023-11-29 02:36:10,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240100 conditions, 24201 events. 10333/24201 cut-off events. For 1258245/1259307 co-relation queries the response was YES. Maximal size of possible extension queue 1064. Compared 249774 event pairs, 573 based on Foata normal form. 688/24446 useless extension candidates. Maximal degree in co-relation 239904. Up to 6352 conditions per place. [2023-11-29 02:36:10,671 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 2404 selfloop transitions, 1764 changer transitions 0/4414 dead transitions. [2023-11-29 02:36:10,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 4414 transitions, 153964 flow [2023-11-29 02:36:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:36:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2023-11-29 02:36:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 7352 transitions. [2023-11-29 02:36:10,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7675122664161186 [2023-11-29 02:36:10,681 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 7352 transitions. [2023-11-29 02:36:10,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 7352 transitions. [2023-11-29 02:36:10,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:36:10,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 7352 transitions. [2023-11-29 02:36:10,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 237.16129032258064) internal successors, (7352), 31 states have internal predecessors, (7352), 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 02:36:10,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 309.0) internal successors, (9888), 32 states have internal predecessors, (9888), 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 02:36:10,696 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 309.0) internal successors, (9888), 32 states have internal predecessors, (9888), 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 02:36:10,696 INFO L175 Difference]: Start difference. First operand has 612 places, 2940 transitions, 95670 flow. Second operand 31 states and 7352 transitions. [2023-11-29 02:36:10,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 4414 transitions, 153964 flow [2023-11-29 02:36:49,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 4414 transitions, 153664 flow, removed 96 selfloop flow, removed 10 redundant places. [2023-11-29 02:36:49,154 INFO L231 Difference]: Finished difference. Result has 644 places, 3844 transitions, 138959 flow [2023-11-29 02:36:49,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=95401, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=908, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=138959, PETRI_PLACES=644, PETRI_TRANSITIONS=3844} [2023-11-29 02:36:49,156 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 345 predicate places. [2023-11-29 02:36:49,156 INFO L495 AbstractCegarLoop]: Abstraction has has 644 places, 3844 transitions, 138959 flow [2023-11-29 02:36:49,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:36:49,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:36:49,157 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] [2023-11-29 02:36:49,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:36:49,157 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:36:49,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:36:49,157 INFO L85 PathProgramCache]: Analyzing trace with hash 798151318, now seen corresponding path program 4 times [2023-11-29 02:36:49,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:36:49,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685131152] [2023-11-29 02:36:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:36:49,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:36:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:36:49,803 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 02:36:49,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:36:49,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685131152] [2023-11-29 02:36:49,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685131152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:36:49,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:36:49,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:36:49,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287650281] [2023-11-29 02:36:49,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:36:49,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:36:49,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:36:49,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:36:49,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:36:53,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:36:53,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 3844 transitions, 138959 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:36:53,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:36:53,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:36:53,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:37:26,377 INFO L124 PetriNetUnfolderBase]: 11662/26646 cut-off events. [2023-11-29 02:37:26,377 INFO L125 PetriNetUnfolderBase]: For 1632166/1633862 co-relation queries the response was YES. [2023-11-29 02:37:26,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288110 conditions, 26646 events. 11662/26646 cut-off events. For 1632166/1633862 co-relation queries the response was YES. Maximal size of possible extension queue 1246. Compared 274672 event pairs, 643 based on Foata normal form. 1139/27347 useless extension candidates. Maximal degree in co-relation 287902. Up to 7322 conditions per place. [2023-11-29 02:37:27,071 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 2974 selfloop transitions, 2170 changer transitions 0/5390 dead transitions. [2023-11-29 02:37:27,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 5390 transitions, 199010 flow [2023-11-29 02:37:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:37:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:37:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7838 transitions. [2023-11-29 02:37:27,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7686574482690988 [2023-11-29 02:37:27,075 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7838 transitions. [2023-11-29 02:37:27,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7838 transitions. [2023-11-29 02:37:27,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:37:27,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7838 transitions. [2023-11-29 02:37:27,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.5151515151515) internal successors, (7838), 33 states have internal predecessors, (7838), 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 02:37:27,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:37:27,086 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:37:27,086 INFO L175 Difference]: Start difference. First operand has 644 places, 3844 transitions, 138959 flow. Second operand 33 states and 7838 transitions. [2023-11-29 02:37:27,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 5390 transitions, 199010 flow [2023-11-29 02:38:23,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 5390 transitions, 196899 flow, removed 824 selfloop flow, removed 16 redundant places. [2023-11-29 02:38:24,154 INFO L231 Difference]: Finished difference. Result has 669 places, 4466 transitions, 169459 flow [2023-11-29 02:38:24,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=137420, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1625, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1860, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=169459, PETRI_PLACES=669, PETRI_TRANSITIONS=4466} [2023-11-29 02:38:24,158 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 370 predicate places. [2023-11-29 02:38:24,158 INFO L495 AbstractCegarLoop]: Abstraction has has 669 places, 4466 transitions, 169459 flow [2023-11-29 02:38:24,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:38:24,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:38:24,159 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] [2023-11-29 02:38:24,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:38:24,159 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:38:24,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:38:24,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1025371392, now seen corresponding path program 5 times [2023-11-29 02:38:24,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:38:24,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552248879] [2023-11-29 02:38:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:38:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:38:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:38:24,866 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 02:38:24,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:38:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552248879] [2023-11-29 02:38:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552248879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:38:24,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:38:24,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:38:24,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200296839] [2023-11-29 02:38:24,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:38:24,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:38:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:38:24,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:38:24,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:38:28,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:38:28,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 4466 transitions, 169459 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:38:28,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:38:28,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:38:28,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:39:11,279 INFO L124 PetriNetUnfolderBase]: 12364/27907 cut-off events. [2023-11-29 02:39:11,279 INFO L125 PetriNetUnfolderBase]: For 1888432/1890597 co-relation queries the response was YES. [2023-11-29 02:39:11,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321170 conditions, 27907 events. 12364/27907 cut-off events. For 1888432/1890597 co-relation queries the response was YES. Maximal size of possible extension queue 1363. Compared 288295 event pairs, 603 based on Foata normal form. 1450/28903 useless extension candidates. Maximal degree in co-relation 320953. Up to 7867 conditions per place. [2023-11-29 02:39:12,264 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 2886 selfloop transitions, 2310 changer transitions 0/5442 dead transitions. [2023-11-29 02:39:12,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 5442 transitions, 213606 flow [2023-11-29 02:39:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:39:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:39:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7826 transitions. [2023-11-29 02:39:12,268 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7674806315583015 [2023-11-29 02:39:12,268 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7826 transitions. [2023-11-29 02:39:12,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7826 transitions. [2023-11-29 02:39:12,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:39:12,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7826 transitions. [2023-11-29 02:39:12,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.15151515151516) internal successors, (7826), 33 states have internal predecessors, (7826), 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 02:39:12,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:39:12,279 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:39:12,279 INFO L175 Difference]: Start difference. First operand has 669 places, 4466 transitions, 169459 flow. Second operand 33 states and 7826 transitions. [2023-11-29 02:39:12,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 5442 transitions, 213606 flow [2023-11-29 02:40:28,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 5442 transitions, 209048 flow, removed 1428 selfloop flow, removed 21 redundant places. [2023-11-29 02:40:28,971 INFO L231 Difference]: Finished difference. Result has 685 places, 4834 transitions, 189242 flow [2023-11-29 02:40:28,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=165845, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1944, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=189242, PETRI_PLACES=685, PETRI_TRANSITIONS=4834} [2023-11-29 02:40:28,975 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 386 predicate places. [2023-11-29 02:40:28,975 INFO L495 AbstractCegarLoop]: Abstraction has has 685 places, 4834 transitions, 189242 flow [2023-11-29 02:40:28,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:40:28,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:40:28,976 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] [2023-11-29 02:40:28,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:40:28,976 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:40:28,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:40:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash -661805836, now seen corresponding path program 6 times [2023-11-29 02:40:28,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:40:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270244348] [2023-11-29 02:40:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:40:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:40:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:40:29,685 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 02:40:29,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:40:29,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270244348] [2023-11-29 02:40:29,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270244348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:40:29,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:40:29,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:40:29,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999720360] [2023-11-29 02:40:29,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:40:29,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:40:29,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:40:29,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:40:29,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:40:32,861 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:40:32,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 4834 transitions, 189242 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:40:32,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:40:32,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:40:32,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:19,348 INFO L124 PetriNetUnfolderBase]: 12467/28246 cut-off events. [2023-11-29 02:41:19,348 INFO L125 PetriNetUnfolderBase]: For 1963573/1965839 co-relation queries the response was YES. [2023-11-29 02:41:20,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332889 conditions, 28246 events. 12467/28246 cut-off events. For 1963573/1965839 co-relation queries the response was YES. Maximal size of possible extension queue 1407. Compared 293514 event pairs, 646 based on Foata normal form. 1639/29439 useless extension candidates. Maximal degree in co-relation 332668. Up to 8030 conditions per place. [2023-11-29 02:41:20,216 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 3084 selfloop transitions, 2558 changer transitions 0/5888 dead transitions. [2023-11-29 02:41:20,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 717 places, 5888 transitions, 235208 flow [2023-11-29 02:41:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 02:41:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 02:41:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7832 transitions. [2023-11-29 02:41:20,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7680690399137001 [2023-11-29 02:41:20,220 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7832 transitions. [2023-11-29 02:41:20,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7832 transitions. [2023-11-29 02:41:20,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:20,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7832 transitions. [2023-11-29 02:41:20,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 237.33333333333334) internal successors, (7832), 33 states have internal predecessors, (7832), 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 02:41:20,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:41:20,231 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 309.0) internal successors, (10506), 34 states have internal predecessors, (10506), 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 02:41:20,231 INFO L175 Difference]: Start difference. First operand has 685 places, 4834 transitions, 189242 flow. Second operand 33 states and 7832 transitions. [2023-11-29 02:41:20,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 717 places, 5888 transitions, 235208 flow [2023-11-29 02:42:44,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 5888 transitions, 232551 flow, removed 381 selfloop flow, removed 24 redundant places. [2023-11-29 02:42:44,393 INFO L231 Difference]: Finished difference. Result has 700 places, 5198 transitions, 210979 flow [2023-11-29 02:42:44,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=186679, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=210979, PETRI_PLACES=700, PETRI_TRANSITIONS=5198} [2023-11-29 02:42:44,397 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 401 predicate places. [2023-11-29 02:42:44,397 INFO L495 AbstractCegarLoop]: Abstraction has has 700 places, 5198 transitions, 210979 flow [2023-11-29 02:42:44,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:42:44,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:44,397 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] [2023-11-29 02:42:44,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:42:44,397 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:42:44,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash -57015760, now seen corresponding path program 7 times [2023-11-29 02:42:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:44,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554199861] [2023-11-29 02:42:44,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:44,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:45,101 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 02:42:45,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:45,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554199861] [2023-11-29 02:42:45,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554199861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:45,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:45,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:42:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352864737] [2023-11-29 02:42:45,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:45,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:42:45,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:42:45,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:42:48,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:42:48,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 5198 transitions, 210979 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:42:48,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:48,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:42:48,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:43:45,289 INFO L124 PetriNetUnfolderBase]: 13633/31049 cut-off events. [2023-11-29 02:43:45,290 INFO L125 PetriNetUnfolderBase]: For 2381103/2383752 co-relation queries the response was YES. [2023-11-29 02:43:46,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385715 conditions, 31049 events. 13633/31049 cut-off events. For 2381103/2383752 co-relation queries the response was YES. Maximal size of possible extension queue 1645. Compared 330651 event pairs, 756 based on Foata normal form. 1170/31763 useless extension candidates. Maximal degree in co-relation 385487. Up to 11329 conditions per place. [2023-11-29 02:43:46,326 INFO L140 encePairwiseOnDemand]: 286/309 looper letters, 3336 selfloop transitions, 3473 changer transitions 0/7055 dead transitions. [2023-11-29 02:43:46,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 7055 transitions, 302042 flow [2023-11-29 02:43:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:43:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 02:43:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 6659 transitions. [2023-11-29 02:43:46,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7696486361534906 [2023-11-29 02:43:46,329 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 6659 transitions. [2023-11-29 02:43:46,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 6659 transitions. [2023-11-29 02:43:46,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:43:46,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 6659 transitions. [2023-11-29 02:43:46,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 237.82142857142858) internal successors, (6659), 28 states have internal predecessors, (6659), 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 02:43:46,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:43:46,338 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 309.0) internal successors, (8961), 29 states have internal predecessors, (8961), 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 02:43:46,338 INFO L175 Difference]: Start difference. First operand has 700 places, 5198 transitions, 210979 flow. Second operand 28 states and 6659 transitions. [2023-11-29 02:43:46,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 727 places, 7055 transitions, 302042 flow [2023-11-29 02:45:27,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 7055 transitions, 298783 flow, removed 676 selfloop flow, removed 20 redundant places. [2023-11-29 02:45:27,928 INFO L231 Difference]: Finished difference. Result has 720 places, 6361 transitions, 277735 flow [2023-11-29 02:45:27,931 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=208260, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2448, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=277735, PETRI_PLACES=720, PETRI_TRANSITIONS=6361} [2023-11-29 02:45:27,931 INFO L281 CegarLoopForPetriNet]: 299 programPoint places, 421 predicate places. [2023-11-29 02:45:27,931 INFO L495 AbstractCegarLoop]: Abstraction has has 720 places, 6361 transitions, 277735 flow [2023-11-29 02:45:27,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:45:27,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:45:27,932 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] [2023-11-29 02:45:27,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:45:27,932 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 02:45:27,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:45:27,933 INFO L85 PathProgramCache]: Analyzing trace with hash -776528610, now seen corresponding path program 8 times [2023-11-29 02:45:27,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:45:27,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067633939] [2023-11-29 02:45:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:45:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:45:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:45:28,654 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 02:45:28,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:45:28,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067633939] [2023-11-29 02:45:28,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067633939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:45:28,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:45:28,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 02:45:28,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761933266] [2023-11-29 02:45:28,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:45:28,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:45:28,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:45:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:45:28,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:45:32,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 309 [2023-11-29 02:45:32,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 6361 transitions, 277735 flow. Second operand has 17 states, 17 states have (on average 233.0) internal successors, (3961), 17 states have internal predecessors, (3961), 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 02:45:32,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:45:32,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 309 [2023-11-29 02:45:32,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand