./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU --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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:17,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:17,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:01:17,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:17,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:17,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:17,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:17,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:17,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:17,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:17,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:17,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:17,556 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:17,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:17,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:17,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:17,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:17,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:17,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:17,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:17,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:17,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:17,567 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:01:17,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:17,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:17,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:17,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:17,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:17,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:17,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:17,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:17,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:17,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:17,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:17,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:17,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:17,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:17,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:17,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:17,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:17,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:17,576 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_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2024-10-31 22:01:17,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:17,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:17,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:17,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:17,971 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:17,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread/twostage_3-race.i Unable to find full path for "g++" [2024-10-31 22:01:20,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:20,737 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:20,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/sv-benchmarks/c/pthread/twostage_3-race.i [2024-10-31 22:01:20,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/data/b9ea6a401/616b46852dd04b4cb56ef88be2fe4855/FLAGa0307ddd8 [2024-10-31 22:01:20,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/data/b9ea6a401/616b46852dd04b4cb56ef88be2fe4855 [2024-10-31 22:01:20,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:20,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:20,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:20,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:20,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:20,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:20" (1/1) ... [2024-10-31 22:01:20,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cde6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:20, skipping insertion in model container [2024-10-31 22:01:20,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:20" (1/1) ... [2024-10-31 22:01:21,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:21,817 WARN L1657 CHandler]: Possible shadowing of function lock [2024-10-31 22:01:21,820 WARN L1657 CHandler]: Possible shadowing of function lock [2024-10-31 22:01:21,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:21,837 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:21,971 WARN L1657 CHandler]: Possible shadowing of function lock [2024-10-31 22:01:21,977 WARN L1657 CHandler]: Possible shadowing of function lock [2024-10-31 22:01:21,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:22,087 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:22,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22 WrapperNode [2024-10-31 22:01:22,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:22,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:22,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:22,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:22,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,191 INFO L138 Inliner]: procedures = 373, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 276 [2024-10-31 22:01:22,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:22,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:22,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:22,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:22,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:22,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:22,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:22,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:22,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (1/1) ... [2024-10-31 22:01:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:22,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b7566f3-5b12-4890-bc0a-d20a11825e5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2024-10-31 22:01:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2024-10-31 22:01:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2024-10-31 22:01:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2024-10-31 22:01:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:01:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:01:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:01:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:01:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:01:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:01:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:22,370 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:01:22,567 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:22,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:23,333 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:01:23,333 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:23,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:23,399 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:01:23,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:23 BoogieIcfgContainer [2024-10-31 22:01:23,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:23,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:23,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:23,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:23,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:20" (1/3) ... [2024-10-31 22:01:23,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d79d1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:23, skipping insertion in model container [2024-10-31 22:01:23,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:22" (2/3) ... [2024-10-31 22:01:23,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d79d1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:23, skipping insertion in model container [2024-10-31 22:01:23,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:23" (3/3) ... [2024-10-31 22:01:23,417 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3-race.i [2024-10-31 22:01:23,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:23,433 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-10-31 22:01:23,433 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:01:23,521 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-31 22:01:23,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 357 transitions, 734 flow [2024-10-31 22:01:23,848 INFO L124 PetriNetUnfolderBase]: 43/670 cut-off events. [2024-10-31 22:01:23,848 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 22:01:23,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 670 events. 43/670 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2836 event pairs, 0 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 354. Up to 8 conditions per place. [2024-10-31 22:01:23,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 357 transitions, 734 flow [2024-10-31 22:01:23,873 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 341 places, 357 transitions, 734 flow [2024-10-31 22:01:23,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:23,889 INFO L333 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, 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;@adcd2f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:23,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-10-31 22:01:23,895 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:01:23,895 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-31 22:01:23,895 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:23,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:23,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:23,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:23,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash 910202385, now seen corresponding path program 1 times [2024-10-31 22:01:23,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388531446] [2024-10-31 22:01:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:24,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:24,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388531446] [2024-10-31 22:01:24,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388531446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:24,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:24,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:24,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993658283] [2024-10-31 22:01:24,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:24,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:24,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:24,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:24,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:24,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-10-31 22:01:24,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:24,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:24,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-10-31 22:01:24,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:24,778 INFO L124 PetriNetUnfolderBase]: 197/2060 cut-off events. [2024-10-31 22:01:24,779 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2024-10-31 22:01:24,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2444 conditions, 2060 events. 197/2060 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15343 event pairs, 166 based on Foata normal form. 186/1888 useless extension candidates. Maximal degree in co-relation 1786. Up to 338 conditions per place. [2024-10-31 22:01:24,805 INFO L140 encePairwiseOnDemand]: 338/357 looper letters, 23 selfloop transitions, 1 changer transitions 8/337 dead transitions. [2024-10-31 22:01:24,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 337 transitions, 742 flow [2024-10-31 22:01:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2024-10-31 22:01:24,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9187675070028011 [2024-10-31 22:01:24,830 INFO L175 Difference]: Start difference. First operand has 341 places, 357 transitions, 734 flow. Second operand 3 states and 984 transitions. [2024-10-31 22:01:24,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 337 transitions, 742 flow [2024-10-31 22:01:24,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 337 transitions, 742 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:01:24,849 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 680 flow [2024-10-31 22:01:24,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=337, PETRI_TRANSITIONS=329} [2024-10-31 22:01:24,855 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -4 predicate places. [2024-10-31 22:01:24,858 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 680 flow [2024-10-31 22:01:24,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:24,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:24,860 INFO L204 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] [2024-10-31 22:01:24,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:24,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:24,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:24,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1848534103, now seen corresponding path program 1 times [2024-10-31 22:01:24,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:24,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025386871] [2024-10-31 22:01:24,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025386871] [2024-10-31 22:01:24,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025386871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:24,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:24,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8894947] [2024-10-31 22:01:24,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:25,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:25,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:25,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:25,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-10-31 22:01:25,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 329 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:25,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:25,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-10-31 22:01:25,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:25,597 INFO L124 PetriNetUnfolderBase]: 120/2428 cut-off events. [2024-10-31 22:01:25,597 INFO L125 PetriNetUnfolderBase]: For 242/302 co-relation queries the response was YES. [2024-10-31 22:01:25,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 2428 events. 120/2428 cut-off events. For 242/302 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18350 event pairs, 84 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 1341. Up to 113 conditions per place. [2024-10-31 22:01:25,628 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/343 dead transitions. [2024-10-31 22:01:25,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 343 transitions, 790 flow [2024-10-31 22:01:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-10-31 22:01:25,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-10-31 22:01:25,631 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 680 flow. Second operand 3 states and 1005 transitions. [2024-10-31 22:01:25,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 343 transitions, 790 flow [2024-10-31 22:01:25,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 343 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:25,643 INFO L231 Difference]: Finished difference. Result has 329 places, 328 transitions, 679 flow [2024-10-31 22:01:25,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=329, PETRI_TRANSITIONS=328} [2024-10-31 22:01:25,645 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -12 predicate places. [2024-10-31 22:01:25,645 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 328 transitions, 679 flow [2024-10-31 22:01:25,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:25,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:25,646 INFO L204 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] [2024-10-31 22:01:25,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:01:25,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:25,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1470256589, now seen corresponding path program 1 times [2024-10-31 22:01:25,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:25,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126947350] [2024-10-31 22:01:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:25,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:25,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126947350] [2024-10-31 22:01:25,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126947350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:25,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:25,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:25,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368917149] [2024-10-31 22:01:25,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:25,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:25,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 357 [2024-10-31 22:01:25,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 328 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:25,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:25,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 357 [2024-10-31 22:01:25,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:26,544 INFO L124 PetriNetUnfolderBase]: 544/3303 cut-off events. [2024-10-31 22:01:26,544 INFO L125 PetriNetUnfolderBase]: For 266/326 co-relation queries the response was YES. [2024-10-31 22:01:26,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 3303 events. 544/3303 cut-off events. For 266/326 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 27111 event pairs, 116 based on Foata normal form. 5/2897 useless extension candidates. Maximal degree in co-relation 2202. Up to 785 conditions per place. [2024-10-31 22:01:26,581 INFO L140 encePairwiseOnDemand]: 341/357 looper letters, 33 selfloop transitions, 5 changer transitions 11/335 dead transitions. [2024-10-31 22:01:26,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 785 flow [2024-10-31 22:01:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:01:26,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2024-10-31 22:01:26,585 INFO L175 Difference]: Start difference. First operand has 329 places, 328 transitions, 679 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:01:26,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 785 flow [2024-10-31 22:01:26,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 335 transitions, 784 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:26,593 INFO L231 Difference]: Finished difference. Result has 323 places, 313 transitions, 667 flow [2024-10-31 22:01:26,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=667, PETRI_PLACES=323, PETRI_TRANSITIONS=313} [2024-10-31 22:01:26,596 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -18 predicate places. [2024-10-31 22:01:26,596 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 313 transitions, 667 flow [2024-10-31 22:01:26,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:26,597 INFO L204 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] [2024-10-31 22:01:26,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:26,598 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:26,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1514930101, now seen corresponding path program 1 times [2024-10-31 22:01:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898048597] [2024-10-31 22:01:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:26,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:26,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898048597] [2024-10-31 22:01:26,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898048597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:26,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:26,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:26,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064196199] [2024-10-31 22:01:26,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:26,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:26,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:26,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:26,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-10-31 22:01:26,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 313 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:26,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-10-31 22:01:26,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:27,873 INFO L124 PetriNetUnfolderBase]: 644/5442 cut-off events. [2024-10-31 22:01:27,873 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-10-31 22:01:27,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6763 conditions, 5442 events. 644/5442 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 52891 event pairs, 548 based on Foata normal form. 0/4586 useless extension candidates. Maximal degree in co-relation 6140. Up to 1038 conditions per place. [2024-10-31 22:01:27,929 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-10-31 22:01:27,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 711 flow [2024-10-31 22:01:27,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-10-31 22:01:27,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9066293183940243 [2024-10-31 22:01:27,932 INFO L175 Difference]: Start difference. First operand has 323 places, 313 transitions, 667 flow. Second operand 3 states and 971 transitions. [2024-10-31 22:01:27,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 711 flow [2024-10-31 22:01:27,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:01:27,942 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 669 flow [2024-10-31 22:01:27,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2024-10-31 22:01:27,944 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-10-31 22:01:27,944 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 669 flow [2024-10-31 22:01:27,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:27,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:27,945 INFO L204 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] [2024-10-31 22:01:27,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:27,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:27,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:27,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1222702185, now seen corresponding path program 1 times [2024-10-31 22:01:27,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:27,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91409045] [2024-10-31 22:01:27,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:27,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:27,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:27,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91409045] [2024-10-31 22:01:27,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91409045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:27,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:27,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:27,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832605571] [2024-10-31 22:01:27,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:27,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:27,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:27,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:27,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:28,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-10-31 22:01:28,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:28,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:28,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-10-31 22:01:28,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:28,867 INFO L124 PetriNetUnfolderBase]: 396/3957 cut-off events. [2024-10-31 22:01:28,868 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-10-31 22:01:28,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 3957 events. 396/3957 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 36208 event pairs, 324 based on Foata normal form. 0/3350 useless extension candidates. Maximal degree in co-relation 4413. Up to 666 conditions per place. [2024-10-31 22:01:28,913 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-10-31 22:01:28,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 717 flow [2024-10-31 22:01:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-10-31 22:01:28,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-10-31 22:01:28,916 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 669 flow. Second operand 3 states and 974 transitions. [2024-10-31 22:01:28,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 717 flow [2024-10-31 22:01:28,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 309 transitions, 717 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:01:28,926 INFO L231 Difference]: Finished difference. Result has 314 places, 309 transitions, 671 flow [2024-10-31 22:01:28,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=314, PETRI_TRANSITIONS=309} [2024-10-31 22:01:28,928 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -27 predicate places. [2024-10-31 22:01:28,930 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 309 transitions, 671 flow [2024-10-31 22:01:28,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:28,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:28,931 INFO L204 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] [2024-10-31 22:01:28,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:01:28,932 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:28,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash -14140382, now seen corresponding path program 1 times [2024-10-31 22:01:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:28,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062554547] [2024-10-31 22:01:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:29,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:29,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062554547] [2024-10-31 22:01:29,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062554547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:29,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:29,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:29,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395698493] [2024-10-31 22:01:29,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:29,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:29,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:29,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:29,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:29,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-10-31 22:01:29,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 309 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:29,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:29,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-10-31 22:01:29,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:29,901 INFO L124 PetriNetUnfolderBase]: 260/3163 cut-off events. [2024-10-31 22:01:29,902 INFO L125 PetriNetUnfolderBase]: For 242/302 co-relation queries the response was YES. [2024-10-31 22:01:29,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3830 conditions, 3163 events. 260/3163 cut-off events. For 242/302 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 27525 event pairs, 200 based on Foata normal form. 2/2672 useless extension candidates. Maximal degree in co-relation 3465. Up to 444 conditions per place. [2024-10-31 22:01:29,947 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 22 selfloop transitions, 0 changer transitions 1/308 dead transitions. [2024-10-31 22:01:29,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 308 transitions, 712 flow [2024-10-31 22:01:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-10-31 22:01:29,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9103641456582633 [2024-10-31 22:01:29,953 INFO L175 Difference]: Start difference. First operand has 314 places, 309 transitions, 671 flow. Second operand 3 states and 975 transitions. [2024-10-31 22:01:29,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 308 transitions, 712 flow [2024-10-31 22:01:29,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 704 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-10-31 22:01:29,967 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 658 flow [2024-10-31 22:01:29,968 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2024-10-31 22:01:29,969 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-10-31 22:01:29,970 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 658 flow [2024-10-31 22:01:29,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:29,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:29,971 INFO L204 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] [2024-10-31 22:01:29,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:01:29,972 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:29,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1544380408, now seen corresponding path program 1 times [2024-10-31 22:01:29,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:29,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358459490] [2024-10-31 22:01:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:30,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:30,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358459490] [2024-10-31 22:01:30,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358459490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:30,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:30,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:30,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664122473] [2024-10-31 22:01:30,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:30,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:30,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:30,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:30,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-10-31 22:01:30,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:30,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:30,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-10-31 22:01:30,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:30,703 INFO L124 PetriNetUnfolderBase]: 122/2376 cut-off events. [2024-10-31 22:01:30,703 INFO L125 PetriNetUnfolderBase]: For 242/302 co-relation queries the response was YES. [2024-10-31 22:01:30,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2794 conditions, 2376 events. 122/2376 cut-off events. For 242/302 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17920 event pairs, 84 based on Foata normal form. 0/2064 useless extension candidates. Maximal degree in co-relation 2787. Up to 113 conditions per place. [2024-10-31 22:01:30,729 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2024-10-31 22:01:30,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 321 transitions, 768 flow [2024-10-31 22:01:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-10-31 22:01:30,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-10-31 22:01:30,732 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 658 flow. Second operand 3 states and 1005 transitions. [2024-10-31 22:01:30,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 321 transitions, 768 flow [2024-10-31 22:01:30,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 321 transitions, 766 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:30,739 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 656 flow [2024-10-31 22:01:30,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2024-10-31 22:01:30,741 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-10-31 22:01:30,741 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 656 flow [2024-10-31 22:01:30,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:30,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:30,742 INFO L204 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] [2024-10-31 22:01:30,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:01:30,743 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:30,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1553545500, now seen corresponding path program 1 times [2024-10-31 22:01:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:30,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842248762] [2024-10-31 22:01:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:30,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:30,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842248762] [2024-10-31 22:01:30,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842248762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:30,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:30,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:30,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713645844] [2024-10-31 22:01:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:30,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:30,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-10-31 22:01:30,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:30,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:30,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-10-31 22:01:30,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:31,659 INFO L124 PetriNetUnfolderBase]: 488/4220 cut-off events. [2024-10-31 22:01:31,659 INFO L125 PetriNetUnfolderBase]: For 390/534 co-relation queries the response was YES. [2024-10-31 22:01:31,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5330 conditions, 4220 events. 488/4220 cut-off events. For 390/534 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 39518 event pairs, 412 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 5323. Up to 830 conditions per place. [2024-10-31 22:01:31,705 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 25 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-10-31 22:01:31,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 305 transitions, 708 flow [2024-10-31 22:01:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-10-31 22:01:31,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9056956115779645 [2024-10-31 22:01:31,709 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 656 flow. Second operand 3 states and 970 transitions. [2024-10-31 22:01:31,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 305 transitions, 708 flow [2024-10-31 22:01:31,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 305 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:31,717 INFO L231 Difference]: Finished difference. Result has 312 places, 305 transitions, 657 flow [2024-10-31 22:01:31,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=312, PETRI_TRANSITIONS=305} [2024-10-31 22:01:31,719 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-10-31 22:01:31,719 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 305 transitions, 657 flow [2024-10-31 22:01:31,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:31,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:31,720 INFO L204 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] [2024-10-31 22:01:31,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:01:31,721 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:31,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:31,722 INFO L85 PathProgramCache]: Analyzing trace with hash 142865269, now seen corresponding path program 1 times [2024-10-31 22:01:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43491810] [2024-10-31 22:01:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:31,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43491810] [2024-10-31 22:01:31,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43491810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:31,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:31,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:31,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956122776] [2024-10-31 22:01:31,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:31,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:31,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:31,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-10-31 22:01:31,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 305 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:31,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:31,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-10-31 22:01:31,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:32,509 INFO L124 PetriNetUnfolderBase]: 514/4563 cut-off events. [2024-10-31 22:01:32,510 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-10-31 22:01:32,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5667 conditions, 4563 events. 514/4563 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 43413 event pairs, 432 based on Foata normal form. 0/3846 useless extension candidates. Maximal degree in co-relation 5660. Up to 836 conditions per place. [2024-10-31 22:01:32,561 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-10-31 22:01:32,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 304 transitions, 705 flow [2024-10-31 22:01:32,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-10-31 22:01:32,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-10-31 22:01:32,564 INFO L175 Difference]: Start difference. First operand has 312 places, 305 transitions, 657 flow. Second operand 3 states and 974 transitions. [2024-10-31 22:01:32,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 304 transitions, 705 flow [2024-10-31 22:01:32,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 304 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:01:32,574 INFO L231 Difference]: Finished difference. Result has 311 places, 304 transitions, 655 flow [2024-10-31 22:01:32,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=311, PETRI_TRANSITIONS=304} [2024-10-31 22:01:32,576 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -30 predicate places. [2024-10-31 22:01:32,577 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 304 transitions, 655 flow [2024-10-31 22:01:32,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:32,578 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:32,578 INFO L204 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] [2024-10-31 22:01:32,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:01:32,579 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:32,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash 176779462, now seen corresponding path program 1 times [2024-10-31 22:01:32,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:32,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830895024] [2024-10-31 22:01:32,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:32,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:32,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:32,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830895024] [2024-10-31 22:01:32,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830895024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:32,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:32,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:32,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795334634] [2024-10-31 22:01:32,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:32,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:32,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:32,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:32,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:32,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 357 [2024-10-31 22:01:32,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 304 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:32,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:32,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 357 [2024-10-31 22:01:32,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:33,550 INFO L124 PetriNetUnfolderBase]: 440/3867 cut-off events. [2024-10-31 22:01:33,550 INFO L125 PetriNetUnfolderBase]: For 310/386 co-relation queries the response was YES. [2024-10-31 22:01:33,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4885 conditions, 3867 events. 440/3867 cut-off events. For 310/386 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 35861 event pairs, 368 based on Foata normal form. 0/3282 useless extension candidates. Maximal degree in co-relation 4878. Up to 748 conditions per place. [2024-10-31 22:01:33,600 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 24 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-10-31 22:01:33,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 303 transitions, 705 flow [2024-10-31 22:01:33,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2024-10-31 22:01:33,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.907563025210084 [2024-10-31 22:01:33,605 INFO L175 Difference]: Start difference. First operand has 311 places, 304 transitions, 655 flow. Second operand 3 states and 972 transitions. [2024-10-31 22:01:33,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 303 transitions, 705 flow [2024-10-31 22:01:33,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 303 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:01:33,615 INFO L231 Difference]: Finished difference. Result has 310 places, 303 transitions, 653 flow [2024-10-31 22:01:33,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=310, PETRI_TRANSITIONS=303} [2024-10-31 22:01:33,617 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -31 predicate places. [2024-10-31 22:01:33,620 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 653 flow [2024-10-31 22:01:33,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:33,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:33,622 INFO L204 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] [2024-10-31 22:01:33,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:01:33,622 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:33,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:33,623 INFO L85 PathProgramCache]: Analyzing trace with hash -733044172, now seen corresponding path program 1 times [2024-10-31 22:01:33,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:33,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811730159] [2024-10-31 22:01:33,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:33,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:33,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:33,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811730159] [2024-10-31 22:01:33,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811730159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:33,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:33,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:33,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254570259] [2024-10-31 22:01:33,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:33,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:33,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:33,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 357 [2024-10-31 22:01:33,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 303 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:33,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:33,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 357 [2024-10-31 22:01:33,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:34,485 INFO L124 PetriNetUnfolderBase]: 362/4085 cut-off events. [2024-10-31 22:01:34,485 INFO L125 PetriNetUnfolderBase]: For 594/1586 co-relation queries the response was YES. [2024-10-31 22:01:34,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5110 conditions, 4085 events. 362/4085 cut-off events. For 594/1586 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 37880 event pairs, 268 based on Foata normal form. 0/3580 useless extension candidates. Maximal degree in co-relation 5103. Up to 630 conditions per place. [2024-10-31 22:01:34,579 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 27 selfloop transitions, 1 changer transitions 0/297 dead transitions. [2024-10-31 22:01:34,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 297 transitions, 697 flow [2024-10-31 22:01:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-10-31 22:01:34,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8944911297852475 [2024-10-31 22:01:34,582 INFO L175 Difference]: Start difference. First operand has 310 places, 303 transitions, 653 flow. Second operand 3 states and 958 transitions. [2024-10-31 22:01:34,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 297 transitions, 697 flow [2024-10-31 22:01:34,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 297 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:01:34,588 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 639 flow [2024-10-31 22:01:34,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=304, PETRI_TRANSITIONS=297} [2024-10-31 22:01:34,590 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -37 predicate places. [2024-10-31 22:01:34,590 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 639 flow [2024-10-31 22:01:34,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:34,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:34,591 INFO L204 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] [2024-10-31 22:01:34,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:01:34,591 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:34,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:34,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1557790049, now seen corresponding path program 1 times [2024-10-31 22:01:34,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:34,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917589230] [2024-10-31 22:01:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:34,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:34,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:34,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917589230] [2024-10-31 22:01:34,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917589230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:34,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:34,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:34,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232125584] [2024-10-31 22:01:34,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:34,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:34,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:34,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:34,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:34,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 357 [2024-10-31 22:01:34,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 297 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:34,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:34,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 357 [2024-10-31 22:01:34,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:35,229 INFO L124 PetriNetUnfolderBase]: 322/3123 cut-off events. [2024-10-31 22:01:35,229 INFO L125 PetriNetUnfolderBase]: For 494/594 co-relation queries the response was YES. [2024-10-31 22:01:35,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4066 conditions, 3123 events. 322/3123 cut-off events. For 494/594 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 25982 event pairs, 228 based on Foata normal form. 0/2820 useless extension candidates. Maximal degree in co-relation 4059. Up to 574 conditions per place. [2024-10-31 22:01:35,267 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 25 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-10-31 22:01:35,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 292 transitions, 681 flow [2024-10-31 22:01:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 22:01:35,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900093370681606 [2024-10-31 22:01:35,270 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 639 flow. Second operand 3 states and 964 transitions. [2024-10-31 22:01:35,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 292 transitions, 681 flow [2024-10-31 22:01:35,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:35,277 INFO L231 Difference]: Finished difference. Result has 300 places, 292 transitions, 630 flow [2024-10-31 22:01:35,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=300, PETRI_TRANSITIONS=292} [2024-10-31 22:01:35,278 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -41 predicate places. [2024-10-31 22:01:35,278 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 630 flow [2024-10-31 22:01:35,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:35,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:35,280 INFO L204 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] [2024-10-31 22:01:35,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:01:35,280 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:35,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1310960774, now seen corresponding path program 1 times [2024-10-31 22:01:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882733311] [2024-10-31 22:01:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:35,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:35,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:35,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882733311] [2024-10-31 22:01:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882733311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:35,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672882588] [2024-10-31 22:01:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:35,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:35,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:35,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:35,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:36,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 357 [2024-10-31 22:01:36,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 292 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:36,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:36,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 357 [2024-10-31 22:01:36,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:38,623 INFO L124 PetriNetUnfolderBase]: 2566/14629 cut-off events. [2024-10-31 22:01:38,624 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-10-31 22:01:38,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19408 conditions, 14629 events. 2566/14629 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 177423 event pairs, 1956 based on Foata normal form. 0/13218 useless extension candidates. Maximal degree in co-relation 19401. Up to 3973 conditions per place. [2024-10-31 22:01:38,739 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 59 selfloop transitions, 6 changer transitions 0/307 dead transitions. [2024-10-31 22:01:38,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 307 transitions, 790 flow [2024-10-31 22:01:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:01:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:01:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2024-10-31 22:01:38,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8487394957983193 [2024-10-31 22:01:38,751 INFO L175 Difference]: Start difference. First operand has 300 places, 292 transitions, 630 flow. Second operand 6 states and 1818 transitions. [2024-10-31 22:01:38,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 307 transitions, 790 flow [2024-10-31 22:01:38,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 307 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:38,767 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 639 flow [2024-10-31 22:01:38,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=303, PETRI_TRANSITIONS=291} [2024-10-31 22:01:38,772 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-10-31 22:01:38,772 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 639 flow [2024-10-31 22:01:38,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:38,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:38,777 INFO L204 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] [2024-10-31 22:01:38,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:01:38,777 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash -39212496, now seen corresponding path program 1 times [2024-10-31 22:01:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:38,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080168928] [2024-10-31 22:01:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:38,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:38,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080168928] [2024-10-31 22:01:38,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080168928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:38,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:38,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:01:38,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306026016] [2024-10-31 22:01:38,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:38,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:01:38,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:38,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:01:38,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:39,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 357 [2024-10-31 22:01:39,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 291 transitions, 639 flow. Second operand has 4 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:39,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:39,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 357 [2024-10-31 22:01:39,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:39,857 INFO L124 PetriNetUnfolderBase]: 610/4941 cut-off events. [2024-10-31 22:01:39,857 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-10-31 22:01:39,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6270 conditions, 4941 events. 610/4941 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 47127 event pairs, 437 based on Foata normal form. 36/4494 useless extension candidates. Maximal degree in co-relation 6263. Up to 673 conditions per place. [2024-10-31 22:01:39,884 INFO L140 encePairwiseOnDemand]: 344/357 looper letters, 58 selfloop transitions, 11 changer transitions 1/331 dead transitions. [2024-10-31 22:01:39,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 883 flow [2024-10-31 22:01:39,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:01:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1320 transitions. [2024-10-31 22:01:39,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2024-10-31 22:01:39,888 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 639 flow. Second operand 4 states and 1320 transitions. [2024-10-31 22:01:39,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 883 flow [2024-10-31 22:01:39,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:01:39,897 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 709 flow [2024-10-31 22:01:39,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=709, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2024-10-31 22:01:39,899 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-10-31 22:01:39,899 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 709 flow [2024-10-31 22:01:39,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:39,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:39,900 INFO L204 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] [2024-10-31 22:01:39,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:01:39,901 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1628732524, now seen corresponding path program 1 times [2024-10-31 22:01:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704454627] [2024-10-31 22:01:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:39,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:39,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704454627] [2024-10-31 22:01:39,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704454627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:39,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:39,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:39,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805455287] [2024-10-31 22:01:39,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:39,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:39,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:39,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 357 [2024-10-31 22:01:39,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:39,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:39,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 357 [2024-10-31 22:01:39,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:40,609 INFO L124 PetriNetUnfolderBase]: 268/2934 cut-off events. [2024-10-31 22:01:40,609 INFO L125 PetriNetUnfolderBase]: For 414/669 co-relation queries the response was YES. [2024-10-31 22:01:40,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2934 events. 268/2934 cut-off events. For 414/669 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 24389 event pairs, 166 based on Foata normal form. 0/2662 useless extension candidates. Maximal degree in co-relation 3888. Up to 443 conditions per place. [2024-10-31 22:01:40,646 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 30 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2024-10-31 22:01:40,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 312 transitions, 812 flow [2024-10-31 22:01:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2024-10-31 22:01:40,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.927170868347339 [2024-10-31 22:01:40,649 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 709 flow. Second operand 3 states and 993 transitions. [2024-10-31 22:01:40,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 312 transitions, 812 flow [2024-10-31 22:01:40,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:40,657 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 745 flow [2024-10-31 22:01:40,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=306, PETRI_TRANSITIONS=304} [2024-10-31 22:01:40,659 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -35 predicate places. [2024-10-31 22:01:40,659 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 745 flow [2024-10-31 22:01:40,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:40,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:40,660 INFO L204 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] [2024-10-31 22:01:40,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:01:40,661 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting funcAErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:40,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:40,661 INFO L85 PathProgramCache]: Analyzing trace with hash 6907104, now seen corresponding path program 1 times [2024-10-31 22:01:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:40,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552214695] [2024-10-31 22:01:40,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:40,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:40,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552214695] [2024-10-31 22:01:40,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552214695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:40,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:40,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:40,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503957151] [2024-10-31 22:01:40,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:40,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:40,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:40,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:40,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:40,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-10-31 22:01:40,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 304 transitions, 745 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:40,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:40,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-10-31 22:01:40,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:41,833 INFO L124 PetriNetUnfolderBase]: 355/4187 cut-off events. [2024-10-31 22:01:41,833 INFO L125 PetriNetUnfolderBase]: For 684/1252 co-relation queries the response was YES. [2024-10-31 22:01:41,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5686 conditions, 4187 events. 355/4187 cut-off events. For 684/1252 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 40736 event pairs, 93 based on Foata normal form. 2/3860 useless extension candidates. Maximal degree in co-relation 5676. Up to 507 conditions per place. [2024-10-31 22:01:41,882 INFO L140 encePairwiseOnDemand]: 348/357 looper letters, 36 selfloop transitions, 8 changer transitions 0/321 dead transitions. [2024-10-31 22:01:41,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 321 transitions, 888 flow [2024-10-31 22:01:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-10-31 22:01:41,886 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9290382819794585 [2024-10-31 22:01:41,886 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 745 flow. Second operand 3 states and 995 transitions. [2024-10-31 22:01:41,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 321 transitions, 888 flow [2024-10-31 22:01:41,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 321 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:01:41,910 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 805 flow [2024-10-31 22:01:41,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2024-10-31 22:01:41,915 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -34 predicate places. [2024-10-31 22:01:41,915 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 805 flow [2024-10-31 22:01:41,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:41,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:41,922 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:41,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:01:41,922 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-31 22:01:41,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:41,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1896594557, now seen corresponding path program 1 times [2024-10-31 22:01:41,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:41,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919863410] [2024-10-31 22:01:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:41,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:42,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:42,079 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:01:42,080 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-10-31 22:01:42,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-10-31 22:01:42,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-10-31 22:01:42,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-10-31 22:01:42,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-10-31 22:01:42,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-10-31 22:01:42,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-10-31 22:01:42,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-10-31 22:01:42,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-10-31 22:01:42,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-10-31 22:01:42,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-10-31 22:01:42,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-10-31 22:01:42,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-10-31 22:01:42,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-10-31 22:01:42,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-10-31 22:01:42,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-10-31 22:01:42,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-10-31 22:01:42,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-10-31 22:01:42,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-10-31 22:01:42,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-10-31 22:01:42,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-10-31 22:01:42,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-10-31 22:01:42,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-10-31 22:01:42,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-10-31 22:01:42,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-10-31 22:01:42,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-10-31 22:01:42,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-10-31 22:01:42,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-10-31 22:01:42,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-10-31 22:01:42,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-10-31 22:01:42,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-10-31 22:01:42,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-10-31 22:01:42,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-10-31 22:01:42,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-10-31 22:01:42,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-10-31 22:01:42,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-10-31 22:01:42,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-10-31 22:01:42,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-10-31 22:01:42,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-10-31 22:01:42,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-10-31 22:01:42,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-10-31 22:01:42,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-10-31 22:01:42,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-10-31 22:01:42,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-10-31 22:01:42,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-10-31 22:01:42,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-10-31 22:01:42,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-10-31 22:01:42,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-10-31 22:01:42,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-10-31 22:01:42,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-10-31 22:01:42,098 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-10-31 22:01:42,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-10-31 22:01:42,099 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-10-31 22:01:42,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-10-31 22:01:42,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-10-31 22:01:42,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-10-31 22:01:42,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-10-31 22:01:42,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-10-31 22:01:42,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-10-31 22:01:42,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-10-31 22:01:42,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-10-31 22:01:42,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:01:42,103 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:42,107 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:01:42,108 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 22:01:42,193 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-10-31 22:01:42,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 458 transitions, 960 flow [2024-10-31 22:01:42,527 INFO L124 PetriNetUnfolderBase]: 163/1958 cut-off events. [2024-10-31 22:01:42,527 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2024-10-31 22:01:42,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1958 events. 163/1958 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 12257 event pairs, 1 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 1163. Up to 32 conditions per place. [2024-10-31 22:01:42,547 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 458 transitions, 960 flow [2024-10-31 22:01:42,566 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 458 transitions, 960 flow [2024-10-31 22:01:42,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:42,567 INFO L333 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, 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;@adcd2f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:42,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-10-31 22:01:42,569 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:01:42,570 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-31 22:01:42,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:42,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:42,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:42,570 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-10-31 22:01:42,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:42,571 INFO L85 PathProgramCache]: Analyzing trace with hash -3482151, now seen corresponding path program 1 times [2024-10-31 22:01:42,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:42,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694734427] [2024-10-31 22:01:42,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:42,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:42,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:42,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694734427] [2024-10-31 22:01:42,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694734427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:42,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:42,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:42,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782393833] [2024-10-31 22:01:42,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:42,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:42,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:42,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:42,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 458 [2024-10-31 22:01:42,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 458 transitions, 960 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:42,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:42,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 458 [2024-10-31 22:01:42,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand