./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:22,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:22,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 21:02:22,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:22,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:22,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:22,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:22,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:22,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:22,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:22,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:22,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:22,838 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:22,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:22,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:22,840 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:22,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:22,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:22,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:22,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:22,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:22,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:22,845 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:02:22,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:02:22,847 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:22,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:22,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:22,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:22,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:22,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:22,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:22,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:22,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:22,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:22,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:22,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:22,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:22,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:22,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:22,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:22,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:22,854 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_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-21 21:02:23,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:23,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:23,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:23,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:23,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:23,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 21:02:26,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:26,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:26,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 21:02:26,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/data/06fca1f4d/20958d5914cf46fca0f352eab69b3a53/FLAG0e6c4c515 [2023-11-21 21:02:26,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/data/06fca1f4d/20958d5914cf46fca0f352eab69b3a53 [2023-11-21 21:02:26,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:26,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:26,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:26,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:26,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:26,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:26" (1/1) ... [2023-11-21 21:02:26,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ea1e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:26, skipping insertion in model container [2023-11-21 21:02:26,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:26" (1/1) ... [2023-11-21 21:02:26,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:27,138 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:02:27,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:27,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:27,794 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:02:27,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:28,023 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:28,023 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:28,023 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:28,032 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:28,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28 WrapperNode [2023-11-21 21:02:28,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:28,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:28,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:28,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:28,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,181 INFO L138 Inliner]: procedures = 470, calls = 65, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-21 21:02:28,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:28,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:28,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:28,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:28,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:28,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:28,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:28,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:28,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (1/1) ... [2023-11-21 21:02:28,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:28,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:28,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:28,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b25474-c2c5-430d-96f5-9501b72f4bc0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:02:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:02:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:02:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 21:02:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:02:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-21 21:02:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-21 21:02:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 21:02:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:02:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:02:28,406 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 21:02:28,760 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:28,765 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:29,446 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:29,589 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:29,590 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:02:29,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:29 BoogieIcfgContainer [2023-11-21 21:02:29,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:29,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:29,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:29,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:29,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:26" (1/3) ... [2023-11-21 21:02:29,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1203c575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:29, skipping insertion in model container [2023-11-21 21:02:29,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:28" (2/3) ... [2023-11-21 21:02:29,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1203c575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:29, skipping insertion in model container [2023-11-21 21:02:29,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:29" (3/3) ... [2023-11-21 21:02:29,603 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-21 21:02:29,612 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:02:29,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:29,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-21 21:02:29,625 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:02:29,719 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 21:02:29,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 271 transitions, 556 flow [2023-11-21 21:02:29,891 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2023-11-21 21:02:29,891 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 21:02:29,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 14/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 790 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 176. Up to 4 conditions per place. [2023-11-21 21:02:29,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 271 transitions, 556 flow [2023-11-21 21:02:29,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 268 transitions, 548 flow [2023-11-21 21:02:29,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:29,927 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;@9c211ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:29,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-21 21:02:29,936 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:02:29,936 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-21 21:02:29,937 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:02:29,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:29,938 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] [2023-11-21 21:02:29,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:29,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:29,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1451915937, now seen corresponding path program 1 times [2023-11-21 21:02:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170640936] [2023-11-21 21:02:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170640936] [2023-11-21 21:02:31,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170640936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:31,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:31,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286618992] [2023-11-21 21:02:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:31,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:31,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:31,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:31,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:31,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-21 21:02:31,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 268 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:31,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:31,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-21 21:02:31,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:32,938 INFO L124 PetriNetUnfolderBase]: 1336/4299 cut-off events. [2023-11-21 21:02:32,938 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-21 21:02:32,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6550 conditions, 4299 events. 1336/4299 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 35270 event pairs, 1335 based on Foata normal form. 152/4124 useless extension candidates. Maximal degree in co-relation 6087. Up to 2222 conditions per place. [2023-11-21 21:02:32,985 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 55 selfloop transitions, 5 changer transitions 6/237 dead transitions. [2023-11-21 21:02:32,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 606 flow [2023-11-21 21:02:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1207 transitions. [2023-11-21 21:02:33,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7423124231242313 [2023-11-21 21:02:33,014 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1207 transitions. [2023-11-21 21:02:33,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1207 transitions. [2023-11-21 21:02:33,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:33,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1207 transitions. [2023-11-21 21:02:33,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.16666666666666) internal successors, (1207), 6 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,041 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,043 INFO L175 Difference]: Start difference. First operand has 265 places, 268 transitions, 548 flow. Second operand 6 states and 1207 transitions. [2023-11-21 21:02:33,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 606 flow [2023-11-21 21:02:33,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 237 transitions, 598 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 21:02:33,058 INFO L231 Difference]: Finished difference. Result has 243 places, 231 transitions, 476 flow [2023-11-21 21:02:33,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=243, PETRI_TRANSITIONS=231} [2023-11-21 21:02:33,064 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -22 predicate places. [2023-11-21 21:02:33,064 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 231 transitions, 476 flow [2023-11-21 21:02:33,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:33,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:33,066 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] [2023-11-21 21:02:33,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:33,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:33,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash -619353481, now seen corresponding path program 1 times [2023-11-21 21:02:33,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:33,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365143772] [2023-11-21 21:02:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:33,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:33,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365143772] [2023-11-21 21:02:33,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365143772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:33,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:33,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:33,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391934269] [2023-11-21 21:02:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:33,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:33,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:33,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:33,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:34,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-21 21:02:34,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 231 transitions, 476 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:34,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:34,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-21 21:02:34,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:35,137 INFO L124 PetriNetUnfolderBase]: 1336/4292 cut-off events. [2023-11-21 21:02:35,137 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-21 21:02:35,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6533 conditions, 4292 events. 1336/4292 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 35361 event pairs, 1335 based on Foata normal form. 0/3968 useless extension candidates. Maximal degree in co-relation 6486. Up to 2222 conditions per place. [2023-11-21 21:02:35,176 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 55 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2023-11-21 21:02:35,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 230 transitions, 594 flow [2023-11-21 21:02:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1189 transitions. [2023-11-21 21:02:35,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7312423124231242 [2023-11-21 21:02:35,183 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1189 transitions. [2023-11-21 21:02:35,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1189 transitions. [2023-11-21 21:02:35,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:35,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1189 transitions. [2023-11-21 21:02:35,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.16666666666666) internal successors, (1189), 6 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,196 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,197 INFO L175 Difference]: Start difference. First operand has 243 places, 231 transitions, 476 flow. Second operand 6 states and 1189 transitions. [2023-11-21 21:02:35,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 230 transitions, 594 flow [2023-11-21 21:02:35,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 230 transitions, 584 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:02:35,212 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 474 flow [2023-11-21 21:02:35,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2023-11-21 21:02:35,216 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -29 predicate places. [2023-11-21 21:02:35,217 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 474 flow [2023-11-21 21:02:35,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:35,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:35,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:35,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:02:35,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:35,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:35,232 INFO L85 PathProgramCache]: Analyzing trace with hash 722038830, now seen corresponding path program 1 times [2023-11-21 21:02:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841876028] [2023-11-21 21:02:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:35,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:35,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841876028] [2023-11-21 21:02:35,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841876028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:35,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:35,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:35,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220194672] [2023-11-21 21:02:35,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:35,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:35,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:35,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:36,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-21 21:02:36,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:36,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:36,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-21 21:02:36,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:37,727 INFO L124 PetriNetUnfolderBase]: 1528/4330 cut-off events. [2023-11-21 21:02:37,728 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-21 21:02:37,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6879 conditions, 4330 events. 1528/4330 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 33982 event pairs, 1067 based on Foata normal form. 0/4112 useless extension candidates. Maximal degree in co-relation 6816. Up to 2198 conditions per place. [2023-11-21 21:02:37,763 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 69 selfloop transitions, 30 changer transitions 6/275 dead transitions. [2023-11-21 21:02:37,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 275 transitions, 768 flow [2023-11-21 21:02:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2023-11-21 21:02:37,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7718327183271833 [2023-11-21 21:02:37,769 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2023-11-21 21:02:37,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2023-11-21 21:02:37,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:37,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2023-11-21 21:02:37,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:37,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:37,782 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:37,783 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 474 flow. Second operand 6 states and 1255 transitions. [2023-11-21 21:02:37,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 275 transitions, 768 flow [2023-11-21 21:02:37,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 275 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 21:02:37,792 INFO L231 Difference]: Finished difference. Result has 241 places, 253 transitions, 654 flow [2023-11-21 21:02:37,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=241, PETRI_TRANSITIONS=253} [2023-11-21 21:02:37,794 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -24 predicate places. [2023-11-21 21:02:37,794 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 253 transitions, 654 flow [2023-11-21 21:02:37,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:37,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:37,796 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] [2023-11-21 21:02:37,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:02:37,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:37,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:37,797 INFO L85 PathProgramCache]: Analyzing trace with hash -551158662, now seen corresponding path program 1 times [2023-11-21 21:02:37,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:37,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722422849] [2023-11-21 21:02:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:37,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:37,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722422849] [2023-11-21 21:02:37,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722422849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:37,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:37,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549466804] [2023-11-21 21:02:37,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:37,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:02:37,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:37,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:02:37,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:02:38,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 271 [2023-11-21 21:02:38,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 253 transitions, 654 flow. Second operand has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:38,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 271 [2023-11-21 21:02:38,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:38,824 INFO L124 PetriNetUnfolderBase]: 797/3121 cut-off events. [2023-11-21 21:02:38,825 INFO L125 PetriNetUnfolderBase]: For 677/679 co-relation queries the response was YES. [2023-11-21 21:02:38,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5548 conditions, 3121 events. 797/3121 cut-off events. For 677/679 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 24216 event pairs, 517 based on Foata normal form. 1/2928 useless extension candidates. Maximal degree in co-relation 3479. Up to 1100 conditions per place. [2023-11-21 21:02:38,855 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 50 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2023-11-21 21:02:38,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 256 transitions, 768 flow [2023-11-21 21:02:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1351 transitions. [2023-11-21 21:02:38,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8308733087330873 [2023-11-21 21:02:38,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1351 transitions. [2023-11-21 21:02:38,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1351 transitions. [2023-11-21 21:02:38,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:38,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1351 transitions. [2023-11-21 21:02:38,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,873 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,873 INFO L175 Difference]: Start difference. First operand has 241 places, 253 transitions, 654 flow. Second operand 6 states and 1351 transitions. [2023-11-21 21:02:38,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 256 transitions, 768 flow [2023-11-21 21:02:38,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 256 transitions, 768 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:02:38,885 INFO L231 Difference]: Finished difference. Result has 244 places, 256 transitions, 683 flow [2023-11-21 21:02:38,886 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=244, PETRI_TRANSITIONS=256} [2023-11-21 21:02:38,887 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -21 predicate places. [2023-11-21 21:02:38,887 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 256 transitions, 683 flow [2023-11-21 21:02:38,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:38,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:38,889 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] [2023-11-21 21:02:38,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:02:38,889 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:38,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -3258242, now seen corresponding path program 1 times [2023-11-21 21:02:38,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:38,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316158509] [2023-11-21 21:02:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:38,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:39,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:39,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316158509] [2023-11-21 21:02:39,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316158509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:39,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:39,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:39,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572433608] [2023-11-21 21:02:39,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:39,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:39,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:39,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:39,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:40,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-21 21:02:40,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 256 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:40,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:40,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-21 21:02:40,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:41,353 INFO L124 PetriNetUnfolderBase]: 1759/4549 cut-off events. [2023-11-21 21:02:41,353 INFO L125 PetriNetUnfolderBase]: For 1172/1194 co-relation queries the response was YES. [2023-11-21 21:02:41,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9134 conditions, 4549 events. 1759/4549 cut-off events. For 1172/1194 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 35253 event pairs, 1055 based on Foata normal form. 0/4288 useless extension candidates. Maximal degree in co-relation 9031. Up to 2408 conditions per place. [2023-11-21 21:02:41,397 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 92 selfloop transitions, 30 changer transitions 12/301 dead transitions. [2023-11-21 21:02:41,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 301 transitions, 1067 flow [2023-11-21 21:02:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1252 transitions. [2023-11-21 21:02:41,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7699876998769988 [2023-11-21 21:02:41,403 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1252 transitions. [2023-11-21 21:02:41,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1252 transitions. [2023-11-21 21:02:41,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:41,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1252 transitions. [2023-11-21 21:02:41,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.66666666666666) internal successors, (1252), 6 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:41,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:41,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:41,414 INFO L175 Difference]: Start difference. First operand has 244 places, 256 transitions, 683 flow. Second operand 6 states and 1252 transitions. [2023-11-21 21:02:41,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 301 transitions, 1067 flow [2023-11-21 21:02:41,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 301 transitions, 1066 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:02:41,426 INFO L231 Difference]: Finished difference. Result has 253 places, 273 transitions, 908 flow [2023-11-21 21:02:41,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=243, 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=908, PETRI_PLACES=253, PETRI_TRANSITIONS=273} [2023-11-21 21:02:41,428 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2023-11-21 21:02:41,428 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 273 transitions, 908 flow [2023-11-21 21:02:41,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:41,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:41,429 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] [2023-11-21 21:02:41,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:02:41,430 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:41,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:41,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1414492935, now seen corresponding path program 1 times [2023-11-21 21:02:41,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:41,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442910823] [2023-11-21 21:02:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:41,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:42,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:42,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442910823] [2023-11-21 21:02:42,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442910823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:42,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:42,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:42,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890211978] [2023-11-21 21:02:42,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:42,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:42,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:42,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:42,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:42,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2023-11-21 21:02:42,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 273 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:42,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:42,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2023-11-21 21:02:42,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:43,825 INFO L124 PetriNetUnfolderBase]: 1771/4196 cut-off events. [2023-11-21 21:02:43,826 INFO L125 PetriNetUnfolderBase]: For 2565/2748 co-relation queries the response was YES. [2023-11-21 21:02:43,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10721 conditions, 4196 events. 1771/4196 cut-off events. For 2565/2748 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 32520 event pairs, 745 based on Foata normal form. 0/4068 useless extension candidates. Maximal degree in co-relation 9034. Up to 2389 conditions per place. [2023-11-21 21:02:43,878 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 119 selfloop transitions, 22 changer transitions 0/319 dead transitions. [2023-11-21 21:02:43,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 319 transitions, 1379 flow [2023-11-21 21:02:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1336 transitions. [2023-11-21 21:02:43,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216482164821648 [2023-11-21 21:02:43,884 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1336 transitions. [2023-11-21 21:02:43,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1336 transitions. [2023-11-21 21:02:43,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:43,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1336 transitions. [2023-11-21 21:02:43,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.66666666666666) internal successors, (1336), 6 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:43,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:43,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:43,897 INFO L175 Difference]: Start difference. First operand has 253 places, 273 transitions, 908 flow. Second operand 6 states and 1336 transitions. [2023-11-21 21:02:43,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 319 transitions, 1379 flow [2023-11-21 21:02:43,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 319 transitions, 1331 flow, removed 24 selfloop flow, removed 0 redundant places. [2023-11-21 21:02:43,916 INFO L231 Difference]: Finished difference. Result has 251 places, 294 transitions, 1074 flow [2023-11-21 21:02:43,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=251, PETRI_TRANSITIONS=294} [2023-11-21 21:02:43,918 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2023-11-21 21:02:43,918 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 294 transitions, 1074 flow [2023-11-21 21:02:43,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:43,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:43,919 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] [2023-11-21 21:02:43,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:02:43,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:43,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1339920407, now seen corresponding path program 1 times [2023-11-21 21:02:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123239789] [2023-11-21 21:02:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:44,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:44,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123239789] [2023-11-21 21:02:44,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123239789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:44,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:44,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:44,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330077898] [2023-11-21 21:02:44,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:44,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:44,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:44,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:44,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:45,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 271 [2023-11-21 21:02:45,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 294 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:45,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:45,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 271 [2023-11-21 21:02:45,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:46,258 INFO L124 PetriNetUnfolderBase]: 1937/5073 cut-off events. [2023-11-21 21:02:46,258 INFO L125 PetriNetUnfolderBase]: For 5142/6043 co-relation queries the response was YES. [2023-11-21 21:02:46,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13083 conditions, 5073 events. 1937/5073 cut-off events. For 5142/6043 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 41705 event pairs, 788 based on Foata normal form. 0/4863 useless extension candidates. Maximal degree in co-relation 11800. Up to 2512 conditions per place. [2023-11-21 21:02:46,328 INFO L140 encePairwiseOnDemand]: 255/271 looper letters, 132 selfloop transitions, 26 changer transitions 0/338 dead transitions. [2023-11-21 21:02:46,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 338 transitions, 1610 flow [2023-11-21 21:02:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1297 transitions. [2023-11-21 21:02:46,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7976629766297663 [2023-11-21 21:02:46,333 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1297 transitions. [2023-11-21 21:02:46,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1297 transitions. [2023-11-21 21:02:46,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:46,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1297 transitions. [2023-11-21 21:02:46,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 216.16666666666666) internal successors, (1297), 6 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:46,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:46,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:46,344 INFO L175 Difference]: Start difference. First operand has 251 places, 294 transitions, 1074 flow. Second operand 6 states and 1297 transitions. [2023-11-21 21:02:46,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 338 transitions, 1610 flow [2023-11-21 21:02:46,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 338 transitions, 1610 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:02:46,361 INFO L231 Difference]: Finished difference. Result has 260 places, 314 transitions, 1338 flow [2023-11-21 21:02:46,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1338, PETRI_PLACES=260, PETRI_TRANSITIONS=314} [2023-11-21 21:02:46,363 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -5 predicate places. [2023-11-21 21:02:46,363 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 314 transitions, 1338 flow [2023-11-21 21:02:46,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:46,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:46,365 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] [2023-11-21 21:02:46,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:02:46,366 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:46,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:46,366 INFO L85 PathProgramCache]: Analyzing trace with hash -111158566, now seen corresponding path program 1 times [2023-11-21 21:02:46,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:46,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253845653] [2023-11-21 21:02:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:46,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:46,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253845653] [2023-11-21 21:02:46,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253845653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:46,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:46,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:02:46,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076942519] [2023-11-21 21:02:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:46,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:02:46,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:46,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:02:46,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:02:46,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2023-11-21 21:02:46,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 314 transitions, 1338 flow. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:46,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:46,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2023-11-21 21:02:46,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:47,141 INFO L124 PetriNetUnfolderBase]: 650/2028 cut-off events. [2023-11-21 21:02:47,141 INFO L125 PetriNetUnfolderBase]: For 3044/3048 co-relation queries the response was YES. [2023-11-21 21:02:47,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5526 conditions, 2028 events. 650/2028 cut-off events. For 3044/3048 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 13872 event pairs, 34 based on Foata normal form. 36/2042 useless extension candidates. Maximal degree in co-relation 5422. Up to 645 conditions per place. [2023-11-21 21:02:47,179 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 84 selfloop transitions, 4 changer transitions 3/273 dead transitions. [2023-11-21 21:02:47,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 273 transitions, 1200 flow [2023-11-21 21:02:47,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:02:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:02:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1386 transitions. [2023-11-21 21:02:47,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8523985239852399 [2023-11-21 21:02:47,196 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1386 transitions. [2023-11-21 21:02:47,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1386 transitions. [2023-11-21 21:02:47,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:47,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1386 transitions. [2023-11-21 21:02:47,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:47,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:47,206 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:47,207 INFO L175 Difference]: Start difference. First operand has 260 places, 314 transitions, 1338 flow. Second operand 6 states and 1386 transitions. [2023-11-21 21:02:47,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 273 transitions, 1200 flow [2023-11-21 21:02:47,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 273 transitions, 1131 flow, removed 3 selfloop flow, removed 24 redundant places. [2023-11-21 21:02:47,227 INFO L231 Difference]: Finished difference. Result has 239 places, 230 transitions, 720 flow [2023-11-21 21:02:47,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=720, PETRI_PLACES=239, PETRI_TRANSITIONS=230} [2023-11-21 21:02:47,230 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -26 predicate places. [2023-11-21 21:02:47,231 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 230 transitions, 720 flow [2023-11-21 21:02:47,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:47,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:47,231 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] [2023-11-21 21:02:47,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:02:47,232 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:47,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:47,232 INFO L85 PathProgramCache]: Analyzing trace with hash 669033960, now seen corresponding path program 1 times [2023-11-21 21:02:47,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:47,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143553612] [2023-11-21 21:02:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:47,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:48,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143553612] [2023-11-21 21:02:48,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143553612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:48,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:48,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-21 21:02:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790054506] [2023-11-21 21:02:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:48,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-21 21:02:48,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:48,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-21 21:02:48,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-21 21:02:53,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-21 21:02:53,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 230 transitions, 720 flow. Second operand has 19 states, 19 states have (on average 187.8421052631579) internal successors, (3569), 19 states have internal predecessors, (3569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:53,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:02:53,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-21 21:02:53,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:02:57,410 INFO L124 PetriNetUnfolderBase]: 2033/4782 cut-off events. [2023-11-21 21:02:57,410 INFO L125 PetriNetUnfolderBase]: For 4983/4989 co-relation queries the response was YES. [2023-11-21 21:02:57,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13191 conditions, 4782 events. 2033/4782 cut-off events. For 4983/4989 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 35538 event pairs, 65 based on Foata normal form. 28/4792 useless extension candidates. Maximal degree in co-relation 13053. Up to 966 conditions per place. [2023-11-21 21:02:57,450 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 379 selfloop transitions, 122 changer transitions 0/650 dead transitions. [2023-11-21 21:02:57,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 650 transitions, 4193 flow [2023-11-21 21:02:57,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-21 21:02:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-21 21:02:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 9127 transitions. [2023-11-21 21:02:57,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7165737614822957 [2023-11-21 21:02:57,485 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 9127 transitions. [2023-11-21 21:02:57,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 9127 transitions. [2023-11-21 21:02:57,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:02:57,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 9127 transitions. [2023-11-21 21:02:57,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 194.19148936170214) internal successors, (9127), 47 states have internal predecessors, (9127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:57,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:57,565 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:57,565 INFO L175 Difference]: Start difference. First operand has 239 places, 230 transitions, 720 flow. Second operand 47 states and 9127 transitions. [2023-11-21 21:02:57,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 650 transitions, 4193 flow [2023-11-21 21:02:57,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 650 transitions, 4169 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-21 21:02:57,612 INFO L231 Difference]: Finished difference. Result has 291 places, 335 transitions, 1764 flow [2023-11-21 21:02:57,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=1764, PETRI_PLACES=291, PETRI_TRANSITIONS=335} [2023-11-21 21:02:57,613 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 26 predicate places. [2023-11-21 21:02:57,613 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 335 transitions, 1764 flow [2023-11-21 21:02:57,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 187.8421052631579) internal successors, (3569), 19 states have internal predecessors, (3569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:57,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:02:57,616 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] [2023-11-21 21:02:57,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:02:57,616 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:02:57,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 9401598, now seen corresponding path program 2 times [2023-11-21 21:02:57,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:57,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178131455] [2023-11-21 21:02:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:59,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:59,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178131455] [2023-11-21 21:02:59,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178131455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:59,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:59,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-21 21:02:59,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859346754] [2023-11-21 21:02:59,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:59,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-21 21:02:59,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:59,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-21 21:02:59,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-21 21:03:04,467 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-21 21:03:04,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 335 transitions, 1764 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:04,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:04,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-21 21:03:04,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:08,373 INFO L124 PetriNetUnfolderBase]: 2345/5375 cut-off events. [2023-11-21 21:03:08,373 INFO L125 PetriNetUnfolderBase]: For 17371/17403 co-relation queries the response was YES. [2023-11-21 21:03:08,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19109 conditions, 5375 events. 2345/5375 cut-off events. For 17371/17403 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 40386 event pairs, 134 based on Foata normal form. 44/5394 useless extension candidates. Maximal degree in co-relation 18960. Up to 1839 conditions per place. [2023-11-21 21:03:08,436 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 341 selfloop transitions, 152 changer transitions 0/642 dead transitions. [2023-11-21 21:03:08,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 642 transitions, 5632 flow [2023-11-21 21:03:08,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-21 21:03:08,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-21 21:03:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 7965 transitions. [2023-11-21 21:03:08,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7168571685716857 [2023-11-21 21:03:08,454 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 7965 transitions. [2023-11-21 21:03:08,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 7965 transitions. [2023-11-21 21:03:08,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:08,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 7965 transitions. [2023-11-21 21:03:08,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 194.26829268292684) internal successors, (7965), 41 states have internal predecessors, (7965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:08,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:08,501 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:08,501 INFO L175 Difference]: Start difference. First operand has 291 places, 335 transitions, 1764 flow. Second operand 41 states and 7965 transitions. [2023-11-21 21:03:08,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 642 transitions, 5632 flow [2023-11-21 21:03:08,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 642 transitions, 5550 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-11-21 21:03:08,623 INFO L231 Difference]: Finished difference. Result has 334 places, 396 transitions, 3083 flow [2023-11-21 21:03:08,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1704, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=3083, PETRI_PLACES=334, PETRI_TRANSITIONS=396} [2023-11-21 21:03:08,625 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 69 predicate places. [2023-11-21 21:03:08,625 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 396 transitions, 3083 flow [2023-11-21 21:03:08,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:03:08,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:08,627 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] [2023-11-21 21:03:08,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:03:08,627 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-21 21:03:08,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash -530441442, now seen corresponding path program 3 times [2023-11-21 21:03:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065561736] [2023-11-21 21:03:08,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:08,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:09,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:09,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065561736] [2023-11-21 21:03:09,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065561736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:09,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:09,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-21 21:03:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077674767] [2023-11-21 21:03:09,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:09,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-21 21:03:09,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:09,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-21 21:03:09,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380