./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ --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 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:33:17,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:33:17,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:33:17,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:33:17,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:33:17,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:33:17,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:33:17,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:33:17,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:33:17,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:33:17,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:33:17,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:33:17,902 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:33:17,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:33:17,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:33:17,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:33:17,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:33:17,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:33:17,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:33:17,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:33:17,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:33:17,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:33:17,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:33:17,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:33:17,909 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:33:17,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:33:17,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:33:17,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:33:17,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:33:17,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:33:17,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:33:17,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:33:17,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:33:17,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:33:17,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:33:17,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:33:17,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:33:17,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:33:17,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:33:17,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:33:17,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:33:17,916 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_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb [2023-11-23 22:33:18,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:33:18,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:33:18,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:33:18,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:33:18,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:33:18,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i [2023-11-23 22:33:21,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:33:21,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:33:21,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i [2023-11-23 22:33:21,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/data/94a244ebf/2ad950e89e1c4c5b8a6e76bae5fbbb2c/FLAGbe3c8a693 [2023-11-23 22:33:21,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/data/94a244ebf/2ad950e89e1c4c5b8a6e76bae5fbbb2c [2023-11-23 22:33:21,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:33:21,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:33:21,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:33:21,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:33:21,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:33:21,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:33:21" (1/1) ... [2023-11-23 22:33:21,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72175421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:21, skipping insertion in model container [2023-11-23 22:33:21,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:33:21" (1/1) ... [2023-11-23 22:33:22,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:33:22,215 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:33:22,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:33:22,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:33:22,684 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:33:22,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:33:22,789 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:33:22,796 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:33:22,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22 WrapperNode [2023-11-23 22:33:22,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:33:22,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:33:22,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:33:22,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:33:22,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,866 INFO L138 Inliner]: procedures = 272, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 183 [2023-11-23 22:33:22,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:33:22,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:33:22,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:33:22,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:33:22,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:33:22,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:33:22,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:33:22,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:33:22,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (1/1) ... [2023-11-23 22:33:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:33:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:33:22,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:33:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0be1795a-1f29-4177-b57f-ea24883a5203/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:33:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 22:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 22:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 22:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 22:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 22:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2023-11-23 22:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2023-11-23 22:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-23 22:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-23 22:33:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:33:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:33:23,041 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:33:23,285 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:33:23,288 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:33:23,995 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:33:24,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:33:24,051 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 22:33:24,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:33:24 BoogieIcfgContainer [2023-11-23 22:33:24,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:33:24,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:33:24,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:33:24,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:33:24,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:33:21" (1/3) ... [2023-11-23 22:33:24,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a09d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:33:24, skipping insertion in model container [2023-11-23 22:33:24,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:33:22" (2/3) ... [2023-11-23 22:33:24,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a09d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:33:24, skipping insertion in model container [2023-11-23 22:33:24,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:33:24" (3/3) ... [2023-11-23 22:33:24,064 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-2.i [2023-11-23 22:33:24,074 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:33:24,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:33:24,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-11-23 22:33:24,086 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:33:24,225 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:33:24,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 409 transitions, 832 flow [2023-11-23 22:33:24,544 INFO L124 PetriNetUnfolderBase]: 21/555 cut-off events. [2023-11-23 22:33:24,544 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:33:24,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 555 events. 21/555 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1295 event pairs, 0 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 443. Up to 6 conditions per place. [2023-11-23 22:33:24,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 400 places, 409 transitions, 832 flow [2023-11-23 22:33:24,589 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 315 places, 320 transitions, 650 flow [2023-11-23 22:33:24,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:33:24,607 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;@64f38b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:33:24,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-11-23 22:33:24,614 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:33:24,615 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-11-23 22:33:24,615 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:33:24,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:24,616 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] [2023-11-23 22:33:24,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:24,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash -605869227, now seen corresponding path program 1 times [2023-11-23 22:33:24,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:24,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449255642] [2023-11-23 22:33:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:24,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:24,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449255642] [2023-11-23 22:33:24,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449255642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:24,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:24,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:33:24,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390096346] [2023-11-23 22:33:24,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:24,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:33:24,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:24,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:33:24,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:33:25,029 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2023-11-23 22:33:25,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 320 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:25,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:25,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2023-11-23 22:33:25,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:25,982 INFO L124 PetriNetUnfolderBase]: 364/2820 cut-off events. [2023-11-23 22:33:25,982 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2023-11-23 22:33:26,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3443 conditions, 2820 events. 364/2820 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 20479 event pairs, 295 based on Foata normal form. 66/2512 useless extension candidates. Maximal degree in co-relation 3311. Up to 593 conditions per place. [2023-11-23 22:33:26,031 INFO L140 encePairwiseOnDemand]: 399/409 looper letters, 26 selfloop transitions, 2 changer transitions 1/310 dead transitions. [2023-11-23 22:33:26,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 310 transitions, 686 flow [2023-11-23 22:33:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:33:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:33:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2023-11-23 22:33:26,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9193154034229829 [2023-11-23 22:33:26,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1128 transitions. [2023-11-23 22:33:26,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1128 transitions. [2023-11-23 22:33:26,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:26,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1128 transitions. [2023-11-23 22:33:26,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:26,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:26,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:26,079 INFO L175 Difference]: Start difference. First operand has 315 places, 320 transitions, 650 flow. Second operand 3 states and 1128 transitions. [2023-11-23 22:33:26,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 310 transitions, 686 flow [2023-11-23 22:33:26,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:33:26,094 INFO L231 Difference]: Finished difference. Result has 312 places, 309 transitions, 631 flow [2023-11-23 22:33:26,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=312, PETRI_TRANSITIONS=309} [2023-11-23 22:33:26,101 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -3 predicate places. [2023-11-23 22:33:26,101 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 309 transitions, 631 flow [2023-11-23 22:33:26,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:26,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:26,103 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] [2023-11-23 22:33:26,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:33:26,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:26,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:26,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1773945765, now seen corresponding path program 1 times [2023-11-23 22:33:26,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:26,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377278336] [2023-11-23 22:33:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:26,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:26,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:26,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377278336] [2023-11-23 22:33:26,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377278336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:26,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:26,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:33:26,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781321344] [2023-11-23 22:33:26,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:26,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:33:26,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:26,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:33:26,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:33:26,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 409 [2023-11-23 22:33:26,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 309 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:26,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:26,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 409 [2023-11-23 22:33:26,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:27,168 INFO L124 PetriNetUnfolderBase]: 454/3245 cut-off events. [2023-11-23 22:33:27,169 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-23 22:33:27,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3995 conditions, 3245 events. 454/3245 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24200 event pairs, 346 based on Foata normal form. 0/2852 useless extension candidates. Maximal degree in co-relation 3948. Up to 716 conditions per place. [2023-11-23 22:33:27,211 INFO L140 encePairwiseOnDemand]: 401/409 looper letters, 29 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2023-11-23 22:33:27,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 677 flow [2023-11-23 22:33:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:33:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:33:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2023-11-23 22:33:27,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.895680521597392 [2023-11-23 22:33:27,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1099 transitions. [2023-11-23 22:33:27,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1099 transitions. [2023-11-23 22:33:27,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:27,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1099 transitions. [2023-11-23 22:33:27,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:27,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:27,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:27,230 INFO L175 Difference]: Start difference. First operand has 312 places, 309 transitions, 631 flow. Second operand 3 states and 1099 transitions. [2023-11-23 22:33:27,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 677 flow [2023-11-23 22:33:27,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 302 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:33:27,302 INFO L231 Difference]: Finished difference. Result has 304 places, 302 transitions, 615 flow [2023-11-23 22:33:27,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=304, PETRI_TRANSITIONS=302} [2023-11-23 22:33:27,303 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -11 predicate places. [2023-11-23 22:33:27,304 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 302 transitions, 615 flow [2023-11-23 22:33:27,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:27,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:27,309 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] [2023-11-23 22:33:27,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:33:27,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:27,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1930989315, now seen corresponding path program 1 times [2023-11-23 22:33:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:27,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38668343] [2023-11-23 22:33:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:28,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:28,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38668343] [2023-11-23 22:33:28,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38668343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:28,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:28,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:33:28,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777108537] [2023-11-23 22:33:28,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:28,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:33:28,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:28,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:33:28,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:33:28,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 409 [2023-11-23 22:33:28,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 302 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 303.3333333333333) internal successors, (1820), 6 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:28,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:28,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 409 [2023-11-23 22:33:28,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:34,938 INFO L124 PetriNetUnfolderBase]: 11401/29059 cut-off events. [2023-11-23 22:33:34,939 INFO L125 PetriNetUnfolderBase]: For 100/119 co-relation queries the response was YES. [2023-11-23 22:33:35,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46537 conditions, 29059 events. 11401/29059 cut-off events. For 100/119 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 301735 event pairs, 10626 based on Foata normal form. 0/25881 useless extension candidates. Maximal degree in co-relation 46489. Up to 17398 conditions per place. [2023-11-23 22:33:35,202 INFO L140 encePairwiseOnDemand]: 403/409 looper letters, 67 selfloop transitions, 5 changer transitions 0/301 dead transitions. [2023-11-23 22:33:35,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 301 transitions, 757 flow [2023-11-23 22:33:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:33:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:33:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1885 transitions. [2023-11-23 22:33:35,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7681336593317033 [2023-11-23 22:33:35,209 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1885 transitions. [2023-11-23 22:33:35,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1885 transitions. [2023-11-23 22:33:35,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:35,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1885 transitions. [2023-11-23 22:33:35,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 314.1666666666667) internal successors, (1885), 6 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:35,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:35,227 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:35,228 INFO L175 Difference]: Start difference. First operand has 304 places, 302 transitions, 615 flow. Second operand 6 states and 1885 transitions. [2023-11-23 22:33:35,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 301 transitions, 757 flow [2023-11-23 22:33:35,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 301 transitions, 756 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:33:35,241 INFO L231 Difference]: Finished difference. Result has 307 places, 301 transitions, 622 flow [2023-11-23 22:33:35,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=307, PETRI_TRANSITIONS=301} [2023-11-23 22:33:35,243 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -8 predicate places. [2023-11-23 22:33:35,244 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 301 transitions, 622 flow [2023-11-23 22:33:35,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.3333333333333) internal successors, (1820), 6 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:35,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:35,246 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] [2023-11-23 22:33:35,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:33:35,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:35,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash 635725154, now seen corresponding path program 1 times [2023-11-23 22:33:35,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:35,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850761334] [2023-11-23 22:33:35,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:35,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850761334] [2023-11-23 22:33:35,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850761334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:35,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:35,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:33:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341306798] [2023-11-23 22:33:35,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:35,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:33:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:35,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:33:35,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:33:35,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 409 [2023-11-23 22:33:35,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 301 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:35,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:35,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 409 [2023-11-23 22:33:35,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:36,275 INFO L124 PetriNetUnfolderBase]: 610/4193 cut-off events. [2023-11-23 22:33:36,275 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-23 22:33:36,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5163 conditions, 4193 events. 610/4193 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 34721 event pairs, 464 based on Foata normal form. 0/3682 useless extension candidates. Maximal degree in co-relation 5116. Up to 924 conditions per place. [2023-11-23 22:33:36,317 INFO L140 encePairwiseOnDemand]: 406/409 looper letters, 23 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2023-11-23 22:33:36,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 300 transitions, 670 flow [2023-11-23 22:33:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:33:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:33:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2023-11-23 22:33:36,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9160554197229014 [2023-11-23 22:33:36,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1124 transitions. [2023-11-23 22:33:36,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1124 transitions. [2023-11-23 22:33:36,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:36,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1124 transitions. [2023-11-23 22:33:36,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:36,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:36,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:36,334 INFO L175 Difference]: Start difference. First operand has 307 places, 301 transitions, 622 flow. Second operand 3 states and 1124 transitions. [2023-11-23 22:33:36,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 300 transitions, 670 flow [2023-11-23 22:33:36,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 300 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:33:36,342 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 614 flow [2023-11-23 22:33:36,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2023-11-23 22:33:36,344 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -12 predicate places. [2023-11-23 22:33:36,344 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 614 flow [2023-11-23 22:33:36,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:36,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:36,346 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] [2023-11-23 22:33:36,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:33:36,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:36,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -850087579, now seen corresponding path program 1 times [2023-11-23 22:33:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:36,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286563314] [2023-11-23 22:33:36,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:37,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:37,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286563314] [2023-11-23 22:33:37,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286563314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:37,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:37,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:33:37,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23075428] [2023-11-23 22:33:37,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:37,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:33:37,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:37,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:33:37,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:33:37,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 409 [2023-11-23 22:33:37,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 614 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:37,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:37,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 409 [2023-11-23 22:33:37,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:43,140 INFO L124 PetriNetUnfolderBase]: 12316/29858 cut-off events. [2023-11-23 22:33:43,140 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-23 22:33:43,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48707 conditions, 29858 events. 12316/29858 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 303782 event pairs, 11520 based on Foata normal form. 0/27208 useless extension candidates. Maximal degree in co-relation 48659. Up to 18767 conditions per place. [2023-11-23 22:33:43,321 INFO L140 encePairwiseOnDemand]: 403/409 looper letters, 69 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2023-11-23 22:33:43,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 299 transitions, 760 flow [2023-11-23 22:33:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:33:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:33:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2023-11-23 22:33:43,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7616136919315404 [2023-11-23 22:33:43,329 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1869 transitions. [2023-11-23 22:33:43,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1869 transitions. [2023-11-23 22:33:43,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:43,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1869 transitions. [2023-11-23 22:33:43,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.5) internal successors, (1869), 6 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:43,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:43,346 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:43,346 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 614 flow. Second operand 6 states and 1869 transitions. [2023-11-23 22:33:43,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 299 transitions, 760 flow [2023-11-23 22:33:43,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 299 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:33:43,355 INFO L231 Difference]: Finished difference. Result has 305 places, 299 transitions, 618 flow [2023-11-23 22:33:43,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=305, PETRI_TRANSITIONS=299} [2023-11-23 22:33:43,357 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -10 predicate places. [2023-11-23 22:33:43,357 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 299 transitions, 618 flow [2023-11-23 22:33:43,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:43,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:43,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:33:43,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:33:43,359 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:43,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:43,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1723726326, now seen corresponding path program 1 times [2023-11-23 22:33:43,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:43,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039883649] [2023-11-23 22:33:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:43,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:43,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:43,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039883649] [2023-11-23 22:33:43,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039883649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:43,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:43,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:33:43,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788529942] [2023-11-23 22:33:43,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:43,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:33:43,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:43,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:33:43,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:33:44,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 409 [2023-11-23 22:33:44,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 299 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:44,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:44,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 409 [2023-11-23 22:33:44,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:48,160 INFO L124 PetriNetUnfolderBase]: 4865/16658 cut-off events. [2023-11-23 22:33:48,160 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-23 22:33:48,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24260 conditions, 16658 events. 4865/16658 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 173890 event pairs, 783 based on Foata normal form. 0/15011 useless extension candidates. Maximal degree in co-relation 24213. Up to 4732 conditions per place. [2023-11-23 22:33:48,266 INFO L140 encePairwiseOnDemand]: 378/409 looper letters, 152 selfloop transitions, 35 changer transitions 0/429 dead transitions. [2023-11-23 22:33:48,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 429 transitions, 1269 flow [2023-11-23 22:33:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:33:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:33:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2136 transitions. [2023-11-23 22:33:48,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8704156479217604 [2023-11-23 22:33:48,275 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2136 transitions. [2023-11-23 22:33:48,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2136 transitions. [2023-11-23 22:33:48,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:48,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2136 transitions. [2023-11-23 22:33:48,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 356.0) internal successors, (2136), 6 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:48,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:48,294 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:48,294 INFO L175 Difference]: Start difference. First operand has 305 places, 299 transitions, 618 flow. Second operand 6 states and 2136 transitions. [2023-11-23 22:33:48,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 429 transitions, 1269 flow [2023-11-23 22:33:48,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 429 transitions, 1259 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-23 22:33:48,308 INFO L231 Difference]: Finished difference. Result has 309 places, 333 transitions, 876 flow [2023-11-23 22:33:48,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=876, PETRI_PLACES=309, PETRI_TRANSITIONS=333} [2023-11-23 22:33:48,310 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -6 predicate places. [2023-11-23 22:33:48,310 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 333 transitions, 876 flow [2023-11-23 22:33:48,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.5) internal successors, (1959), 6 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:48,311 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:48,312 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:33:48,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:33:48,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:48,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1310639578, now seen corresponding path program 1 times [2023-11-23 22:33:48,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:48,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533934151] [2023-11-23 22:33:48,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:48,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:48,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:48,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533934151] [2023-11-23 22:33:48,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533934151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:48,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:48,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:33:48,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093091189] [2023-11-23 22:33:48,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:48,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:33:48,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:48,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:33:48,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:33:48,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2023-11-23 22:33:48,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 333 transitions, 876 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:48,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:48,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2023-11-23 22:33:48,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:52,617 INFO L124 PetriNetUnfolderBase]: 3181/19613 cut-off events. [2023-11-23 22:33:52,617 INFO L125 PetriNetUnfolderBase]: For 807/1045 co-relation queries the response was YES. [2023-11-23 22:33:52,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28060 conditions, 19613 events. 3181/19613 cut-off events. For 807/1045 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 221818 event pairs, 870 based on Foata normal form. 1/16884 useless extension candidates. Maximal degree in co-relation 28010. Up to 1847 conditions per place. [2023-11-23 22:33:52,992 INFO L140 encePairwiseOnDemand]: 398/409 looper letters, 40 selfloop transitions, 8 changer transitions 0/355 dead transitions. [2023-11-23 22:33:52,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 355 transitions, 1022 flow [2023-11-23 22:33:52,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:33:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:33:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2023-11-23 22:33:52,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9315403422982885 [2023-11-23 22:33:52,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2023-11-23 22:33:52,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2023-11-23 22:33:52,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:52,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2023-11-23 22:33:53,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:53,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:53,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:53,009 INFO L175 Difference]: Start difference. First operand has 309 places, 333 transitions, 876 flow. Second operand 3 states and 1143 transitions. [2023-11-23 22:33:53,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 355 transitions, 1022 flow [2023-11-23 22:33:53,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 355 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:33:53,024 INFO L231 Difference]: Finished difference. Result has 313 places, 341 transitions, 946 flow [2023-11-23 22:33:53,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=946, PETRI_PLACES=313, PETRI_TRANSITIONS=341} [2023-11-23 22:33:53,026 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, -2 predicate places. [2023-11-23 22:33:53,026 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 341 transitions, 946 flow [2023-11-23 22:33:53,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:53,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:53,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:33:53,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:33:53,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:53,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash 813005488, now seen corresponding path program 1 times [2023-11-23 22:33:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:53,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382256546] [2023-11-23 22:33:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:53,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:53,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382256546] [2023-11-23 22:33:53,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382256546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:53,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:53,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:33:53,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614884808] [2023-11-23 22:33:53,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:53,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:33:53,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:53,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:33:53,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:33:53,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 409 [2023-11-23 22:33:53,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 341 transitions, 946 flow. Second operand has 5 states, 5 states have (on average 368.8) internal successors, (1844), 5 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:53,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:53,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 409 [2023-11-23 22:33:53,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:33:56,726 INFO L124 PetriNetUnfolderBase]: 2511/16554 cut-off events. [2023-11-23 22:33:56,727 INFO L125 PetriNetUnfolderBase]: For 917/1042 co-relation queries the response was YES. [2023-11-23 22:33:56,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24128 conditions, 16554 events. 2511/16554 cut-off events. For 917/1042 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 182741 event pairs, 1382 based on Foata normal form. 3/14285 useless extension candidates. Maximal degree in co-relation 24073. Up to 2623 conditions per place. [2023-11-23 22:33:56,859 INFO L140 encePairwiseOnDemand]: 400/409 looper letters, 34 selfloop transitions, 8 changer transitions 0/356 dead transitions. [2023-11-23 22:33:56,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 356 transitions, 1062 flow [2023-11-23 22:33:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:33:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:33:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2245 transitions. [2023-11-23 22:33:56,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9148329258353708 [2023-11-23 22:33:56,868 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2245 transitions. [2023-11-23 22:33:56,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2245 transitions. [2023-11-23 22:33:56,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:33:56,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2245 transitions. [2023-11-23 22:33:56,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.1666666666667) internal successors, (2245), 6 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:56,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:56,886 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:56,886 INFO L175 Difference]: Start difference. First operand has 313 places, 341 transitions, 946 flow. Second operand 6 states and 2245 transitions. [2023-11-23 22:33:56,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 356 transitions, 1062 flow [2023-11-23 22:33:56,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 356 transitions, 1046 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:33:56,900 INFO L231 Difference]: Finished difference. Result has 320 places, 346 transitions, 980 flow [2023-11-23 22:33:56,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=980, PETRI_PLACES=320, PETRI_TRANSITIONS=346} [2023-11-23 22:33:56,901 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, 5 predicate places. [2023-11-23 22:33:56,902 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 346 transitions, 980 flow [2023-11-23 22:33:56,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 368.8) internal successors, (1844), 5 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:56,903 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:33:56,903 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:33:56,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:33:56,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:33:56,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:33:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash -740858141, now seen corresponding path program 1 times [2023-11-23 22:33:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:33:56,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113604151] [2023-11-23 22:33:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:33:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:33:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:33:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:33:56,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:33:56,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113604151] [2023-11-23 22:33:56,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113604151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:33:56,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:33:56,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:33:56,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30327810] [2023-11-23 22:33:56,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:33:56,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:33:56,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:33:56,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:33:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:33:57,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 409 [2023-11-23 22:33:57,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 346 transitions, 980 flow. Second operand has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:33:57,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:33:57,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 409 [2023-11-23 22:33:57,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:34:03,097 INFO L124 PetriNetUnfolderBase]: 4745/26290 cut-off events. [2023-11-23 22:34:03,097 INFO L125 PetriNetUnfolderBase]: For 1186/1392 co-relation queries the response was YES. [2023-11-23 22:34:03,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39729 conditions, 26290 events. 4745/26290 cut-off events. For 1186/1392 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 303767 event pairs, 1918 based on Foata normal form. 0/23370 useless extension candidates. Maximal degree in co-relation 39670. Up to 5199 conditions per place. [2023-11-23 22:34:03,314 INFO L140 encePairwiseOnDemand]: 402/409 looper letters, 33 selfloop transitions, 3 changer transitions 0/354 dead transitions. [2023-11-23 22:34:03,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 354 transitions, 1071 flow [2023-11-23 22:34:03,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:34:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:34:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2023-11-23 22:34:03,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9127954360228199 [2023-11-23 22:34:03,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1120 transitions. [2023-11-23 22:34:03,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1120 transitions. [2023-11-23 22:34:03,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:34:03,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1120 transitions. [2023-11-23 22:34:03,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:03,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:03,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:03,329 INFO L175 Difference]: Start difference. First operand has 320 places, 346 transitions, 980 flow. Second operand 3 states and 1120 transitions. [2023-11-23 22:34:03,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 354 transitions, 1071 flow [2023-11-23 22:34:03,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 354 transitions, 1067 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:34:03,343 INFO L231 Difference]: Finished difference. Result has 318 places, 345 transitions, 989 flow [2023-11-23 22:34:03,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=989, PETRI_PLACES=318, PETRI_TRANSITIONS=345} [2023-11-23 22:34:03,345 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, 3 predicate places. [2023-11-23 22:34:03,345 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 345 transitions, 989 flow [2023-11-23 22:34:03,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:03,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:34:03,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:34:03,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:34:03,346 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:34:03,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:34:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash 932849054, now seen corresponding path program 1 times [2023-11-23 22:34:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:34:03,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158827040] [2023-11-23 22:34:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:34:03,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:34:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:34:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:34:03,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:34:03,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158827040] [2023-11-23 22:34:03,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158827040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:34:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:34:03,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:34:03,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217085134] [2023-11-23 22:34:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:34:03,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:34:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:34:03,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:34:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:34:03,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 409 [2023-11-23 22:34:03,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 345 transitions, 989 flow. Second operand has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:03,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:34:03,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 409 [2023-11-23 22:34:03,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:34:10,608 INFO L124 PetriNetUnfolderBase]: 4941/26957 cut-off events. [2023-11-23 22:34:10,608 INFO L125 PetriNetUnfolderBase]: For 2911/3222 co-relation queries the response was YES. [2023-11-23 22:34:10,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41680 conditions, 26957 events. 4941/26957 cut-off events. For 2911/3222 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 311519 event pairs, 2195 based on Foata normal form. 1/24039 useless extension candidates. Maximal degree in co-relation 41621. Up to 4709 conditions per place. [2023-11-23 22:34:10,841 INFO L140 encePairwiseOnDemand]: 403/409 looper letters, 47 selfloop transitions, 9 changer transitions 0/363 dead transitions. [2023-11-23 22:34:10,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 363 transitions, 1162 flow [2023-11-23 22:34:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:34:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:34:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2023-11-23 22:34:10,846 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9193154034229829 [2023-11-23 22:34:10,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1128 transitions. [2023-11-23 22:34:10,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1128 transitions. [2023-11-23 22:34:10,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:34:10,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1128 transitions. [2023-11-23 22:34:10,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:10,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:10,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:10,856 INFO L175 Difference]: Start difference. First operand has 318 places, 345 transitions, 989 flow. Second operand 3 states and 1128 transitions. [2023-11-23 22:34:10,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 363 transitions, 1162 flow [2023-11-23 22:34:10,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 363 transitions, 1162 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:34:10,878 INFO L231 Difference]: Finished difference. Result has 322 places, 353 transitions, 1081 flow [2023-11-23 22:34:10,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=989, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1081, PETRI_PLACES=322, PETRI_TRANSITIONS=353} [2023-11-23 22:34:10,880 INFO L281 CegarLoopForPetriNet]: 315 programPoint places, 7 predicate places. [2023-11-23 22:34:10,880 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 353 transitions, 1081 flow [2023-11-23 22:34:10,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:34:10,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:34:10,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:34:10,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 22:34:10,882 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-23 22:34:10,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:34:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash 359195161, now seen corresponding path program 1 times [2023-11-23 22:34:10,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:34:10,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631611818] [2023-11-23 22:34:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:34:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:34:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:34:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:34:11,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:34:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631611818] [2023-11-23 22:34:11,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631611818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:34:11,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:34:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:34:11,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571428789] [2023-11-23 22:34:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:34:11,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:34:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:34:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:34:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:34:12,514 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 409