./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0 [2024-11-23 23:35:16,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:35:16,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:35:16,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:35:16,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:35:16,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:35:16,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:35:16,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:35:16,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:35:16,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:35:16,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:35:16,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:35:16,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:35:16,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:35:16,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:35:16,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:35:16,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:16,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:16,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:35:16,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:35:16,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 23:35:16,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:35:16,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:35:16,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:35:16,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:35:16,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:35:16,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread/twostage_3-race.i [2024-11-23 23:35:19,663 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/data/d13c05b8f/2f043d456475488788d1467166fdc8a4/FLAG380c002b9 [2024-11-23 23:35:20,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:35:20,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/sv-benchmarks/c/pthread/twostage_3-race.i [2024-11-23 23:35:20,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/data/d13c05b8f/2f043d456475488788d1467166fdc8a4/FLAG380c002b9 [2024-11-23 23:35:20,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/data/d13c05b8f/2f043d456475488788d1467166fdc8a4 [2024-11-23 23:35:20,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:35:20,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:35:20,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:20,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:35:20,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:35:20,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:20" (1/1) ... [2024-11-23 23:35:20,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402dc4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:20, skipping insertion in model container [2024-11-23 23:35:20,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:20" (1/1) ... [2024-11-23 23:35:20,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:35:21,126 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-23 23:35:21,130 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-23 23:35:21,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:21,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:35:21,263 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-23 23:35:21,264 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-23 23:35:21,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:21,351 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:35:21,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21 WrapperNode [2024-11-23 23:35:21,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:21,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:21,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:35:21,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:35:21,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,435 INFO L138 Inliner]: procedures = 373, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2024-11-23 23:35:21,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:21,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:35:21,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:35:21,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:35:21,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:35:21,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:35:21,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:35:21,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:35:21,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:21,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:35:21,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55726ef4-cdc1-4ab0-937e-cf8de61a5bc8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:35:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2024-11-23 23:35:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2024-11-23 23:35:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:35:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:35:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:35:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:35:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:35:21,577 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:35:21,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:35:21,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:35:22,364 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:35:22,365 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:35:22,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:35:22,422 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:35:22,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:22 BoogieIcfgContainer [2024-11-23 23:35:22,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:35:22,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:35:22,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:35:22,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:35:22,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:35:20" (1/3) ... [2024-11-23 23:35:22,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8b9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:22, skipping insertion in model container [2024-11-23 23:35:22,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21" (2/3) ... [2024-11-23 23:35:22,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be8b9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:22, skipping insertion in model container [2024-11-23 23:35:22,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:22" (3/3) ... [2024-11-23 23:35:22,441 INFO L128 eAbstractionObserver]: Analyzing ICFG twostage_3-race.i [2024-11-23 23:35:22,457 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:35:22,458 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG twostage_3-race.i that has 3 procedures, 335 locations, 1 initial locations, 4 loop locations, and 43 error locations. [2024-11-23 23:35:22,459 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:35:22,565 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-23 23:35:22,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 357 transitions, 734 flow [2024-11-23 23:35:22,882 INFO L124 PetriNetUnfolderBase]: 43/670 cut-off events. [2024-11-23 23:35:22,909 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-23 23:35:22,935 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 2840 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. [2024-11-23 23:35:22,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 357 transitions, 734 flow [2024-11-23 23:35:22,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 341 places, 357 transitions, 734 flow [2024-11-23 23:35:22,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:35:22,986 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;@551c21b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:35:22,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-23 23:35:22,993 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:35:22,993 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-23 23:35:22,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:22,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:22,994 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:22,994 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)] === [2024-11-23 23:35:23,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash -273341926, now seen corresponding path program 1 times [2024-11-23 23:35:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:23,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340453469] [2024-11-23 23:35:23,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:23,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:23,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:23,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340453469] [2024-11-23 23:35:23,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340453469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:23,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:23,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:23,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397796248] [2024-11-23 23:35:23,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:23,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:23,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:23,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:23,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:23,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-23 23:35:23,325 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) [2024-11-23 23:35:23,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:23,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-23 23:35:23,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:23,943 INFO L124 PetriNetUnfolderBase]: 197/2060 cut-off events. [2024-11-23 23:35:23,943 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2024-11-23 23:35:23,953 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 15293 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. [2024-11-23 23:35:23,967 INFO L140 encePairwiseOnDemand]: 338/357 looper letters, 23 selfloop transitions, 1 changer transitions 8/337 dead transitions. [2024-11-23 23:35:23,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 337 transitions, 742 flow [2024-11-23 23:35:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2024-11-23 23:35:23,996 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9187675070028011 [2024-11-23 23:35:23,998 INFO L175 Difference]: Start difference. First operand has 341 places, 357 transitions, 734 flow. Second operand 3 states and 984 transitions. [2024-11-23 23:35:24,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 337 transitions, 742 flow [2024-11-23 23:35:24,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 337 transitions, 742 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:35:24,022 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 680 flow [2024-11-23 23:35:24,027 INFO L262 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} [2024-11-23 23:35:24,032 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -4 predicate places. [2024-11-23 23:35:24,032 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 680 flow [2024-11-23 23:35:24,033 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) [2024-11-23 23:35:24,033 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:24,034 INFO L206 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] [2024-11-23 23:35:24,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:35:24,034 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)] === [2024-11-23 23:35:24,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:24,036 INFO L85 PathProgramCache]: Analyzing trace with hash 116298917, now seen corresponding path program 1 times [2024-11-23 23:35:24,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:24,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569042885] [2024-11-23 23:35:24,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:24,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:24,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569042885] [2024-11-23 23:35:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569042885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:24,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:24,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:24,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822869542] [2024-11-23 23:35:24,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:24,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:24,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:24,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:24,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:24,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-11-23 23:35:24,191 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) [2024-11-23 23:35:24,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:24,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-11-23 23:35:24,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:24,943 INFO L124 PetriNetUnfolderBase]: 120/2428 cut-off events. [2024-11-23 23:35:24,944 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-23 23:35:24,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 2428 events. 120/2428 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18401 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. [2024-11-23 23:35:24,977 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/343 dead transitions. [2024-11-23 23:35:24,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 343 transitions, 790 flow [2024-11-23 23:35:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-11-23 23:35:24,984 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-11-23 23:35:24,984 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 680 flow. Second operand 3 states and 1005 transitions. [2024-11-23 23:35:24,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 343 transitions, 790 flow [2024-11-23 23:35:24,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 343 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:24,999 INFO L231 Difference]: Finished difference. Result has 329 places, 328 transitions, 679 flow [2024-11-23 23:35:25,000 INFO L262 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} [2024-11-23 23:35:25,001 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -12 predicate places. [2024-11-23 23:35:25,002 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 328 transitions, 679 flow [2024-11-23 23:35:25,003 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) [2024-11-23 23:35:25,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:25,004 INFO L206 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] [2024-11-23 23:35:25,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:35:25,004 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)] === [2024-11-23 23:35:25,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:25,005 INFO L85 PathProgramCache]: Analyzing trace with hash -689977061, now seen corresponding path program 1 times [2024-11-23 23:35:25,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:25,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243234339] [2024-11-23 23:35:25,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:25,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:25,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243234339] [2024-11-23 23:35:25,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243234339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:25,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:25,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:25,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672351711] [2024-11-23 23:35:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:25,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:25,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:25,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:25,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:25,146 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 357 [2024-11-23 23:35:25,150 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) [2024-11-23 23:35:25,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:25,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 357 [2024-11-23 23:35:25,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:25,883 INFO L124 PetriNetUnfolderBase]: 544/3303 cut-off events. [2024-11-23 23:35:25,883 INFO L125 PetriNetUnfolderBase]: For 206/266 co-relation queries the response was YES. [2024-11-23 23:35:25,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 3303 events. 544/3303 cut-off events. For 206/266 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 27125 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. [2024-11-23 23:35:25,917 INFO L140 encePairwiseOnDemand]: 341/357 looper letters, 33 selfloop transitions, 5 changer transitions 11/335 dead transitions. [2024-11-23 23:35:25,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 785 flow [2024-11-23 23:35:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-23 23:35:25,920 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2024-11-23 23:35:25,920 INFO L175 Difference]: Start difference. First operand has 329 places, 328 transitions, 679 flow. Second operand 3 states and 960 transitions. [2024-11-23 23:35:25,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 785 flow [2024-11-23 23:35:25,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 335 transitions, 784 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:25,932 INFO L231 Difference]: Finished difference. Result has 323 places, 313 transitions, 667 flow [2024-11-23 23:35:25,933 INFO L262 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} [2024-11-23 23:35:25,934 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -18 predicate places. [2024-11-23 23:35:25,935 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 313 transitions, 667 flow [2024-11-23 23:35:25,936 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) [2024-11-23 23:35:25,936 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:25,936 INFO L206 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] [2024-11-23 23:35:25,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:35:25,936 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)] === [2024-11-23 23:35:25,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:25,937 INFO L85 PathProgramCache]: Analyzing trace with hash -283365252, now seen corresponding path program 1 times [2024-11-23 23:35:25,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:25,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955328298] [2024-11-23 23:35:25,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:26,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:26,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955328298] [2024-11-23 23:35:26,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955328298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:26,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:26,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493297148] [2024-11-23 23:35:26,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:26,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:26,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:26,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:26,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:26,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-23 23:35:26,042 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) [2024-11-23 23:35:26,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:26,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-23 23:35:26,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:26,972 INFO L124 PetriNetUnfolderBase]: 644/5442 cut-off events. [2024-11-23 23:35:26,972 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-23 23:35:26,994 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 52931 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. [2024-11-23 23:35:27,018 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-23 23:35:27,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 711 flow [2024-11-23 23:35:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:27,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-23 23:35:27,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9066293183940243 [2024-11-23 23:35:27,022 INFO L175 Difference]: Start difference. First operand has 323 places, 313 transitions, 667 flow. Second operand 3 states and 971 transitions. [2024-11-23 23:35:27,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 711 flow [2024-11-23 23:35:27,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:35:27,034 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 669 flow [2024-11-23 23:35:27,035 INFO L262 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} [2024-11-23 23:35:27,036 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-11-23 23:35:27,036 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 669 flow [2024-11-23 23:35:27,037 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) [2024-11-23 23:35:27,037 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:27,038 INFO L206 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] [2024-11-23 23:35:27,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:35:27,039 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)] === [2024-11-23 23:35:27,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:27,040 INFO L85 PathProgramCache]: Analyzing trace with hash -207012381, now seen corresponding path program 1 times [2024-11-23 23:35:27,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:27,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777894554] [2024-11-23 23:35:27,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:27,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:27,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777894554] [2024-11-23 23:35:27,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777894554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:27,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:27,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:27,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108172304] [2024-11-23 23:35:27,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:27,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:27,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:27,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:27,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:27,167 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-11-23 23:35:27,168 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) [2024-11-23 23:35:27,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:27,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-11-23 23:35:27,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:27,877 INFO L124 PetriNetUnfolderBase]: 396/3957 cut-off events. [2024-11-23 23:35:27,877 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-23 23:35:27,895 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 36297 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. [2024-11-23 23:35:27,914 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-23 23:35:27,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 717 flow [2024-11-23 23:35:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-23 23:35:27,917 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-11-23 23:35:27,917 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 669 flow. Second operand 3 states and 974 transitions. [2024-11-23 23:35:27,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 717 flow [2024-11-23 23:35:27,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 309 transitions, 717 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:35:27,926 INFO L231 Difference]: Finished difference. Result has 314 places, 309 transitions, 671 flow [2024-11-23 23:35:27,926 INFO L262 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} [2024-11-23 23:35:27,928 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -27 predicate places. [2024-11-23 23:35:27,930 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 309 transitions, 671 flow [2024-11-23 23:35:27,931 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) [2024-11-23 23:35:27,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:27,931 INFO L206 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] [2024-11-23 23:35:27,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:35:27,931 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)] === [2024-11-23 23:35:27,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:27,932 INFO L85 PathProgramCache]: Analyzing trace with hash 742163168, now seen corresponding path program 1 times [2024-11-23 23:35:27,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:27,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386266979] [2024-11-23 23:35:27,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:27,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:27,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386266979] [2024-11-23 23:35:27,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386266979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:27,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:27,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:35:27,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203789372] [2024-11-23 23:35:27,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:27,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:27,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:27,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:27,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:28,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-11-23 23:35:28,007 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) [2024-11-23 23:35:28,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:28,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-11-23 23:35:28,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:28,603 INFO L124 PetriNetUnfolderBase]: 260/3163 cut-off events. [2024-11-23 23:35:28,603 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-23 23:35:28,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3830 conditions, 3163 events. 260/3163 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 27376 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. [2024-11-23 23:35:28,628 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 22 selfloop transitions, 0 changer transitions 1/308 dead transitions. [2024-11-23 23:35:28,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 308 transitions, 712 flow [2024-11-23 23:35:28,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-23 23:35:28,631 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103641456582633 [2024-11-23 23:35:28,632 INFO L175 Difference]: Start difference. First operand has 314 places, 309 transitions, 671 flow. Second operand 3 states and 975 transitions. [2024-11-23 23:35:28,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 308 transitions, 712 flow [2024-11-23 23:35:28,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 704 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-23 23:35:28,639 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 658 flow [2024-11-23 23:35:28,640 INFO L262 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} [2024-11-23 23:35:28,641 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-11-23 23:35:28,642 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 658 flow [2024-11-23 23:35:28,643 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) [2024-11-23 23:35:28,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:28,643 INFO L206 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] [2024-11-23 23:35:28,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:35:28,644 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)] === [2024-11-23 23:35:28,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1004995681, now seen corresponding path program 1 times [2024-11-23 23:35:28,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892539334] [2024-11-23 23:35:28,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:28,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:28,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892539334] [2024-11-23 23:35:28,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892539334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:28,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:28,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810205742] [2024-11-23 23:35:28,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:28,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:28,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:28,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:28,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:28,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-11-23 23:35:28,749 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) [2024-11-23 23:35:28,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:28,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-11-23 23:35:28,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:29,196 INFO L124 PetriNetUnfolderBase]: 122/2376 cut-off events. [2024-11-23 23:35:29,197 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-23 23:35:29,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2794 conditions, 2376 events. 122/2376 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17895 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. [2024-11-23 23:35:29,217 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2024-11-23 23:35:29,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 321 transitions, 768 flow [2024-11-23 23:35:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-11-23 23:35:29,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-11-23 23:35:29,220 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 658 flow. Second operand 3 states and 1005 transitions. [2024-11-23 23:35:29,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 321 transitions, 768 flow [2024-11-23 23:35:29,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 321 transitions, 766 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:29,227 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 656 flow [2024-11-23 23:35:29,228 INFO L262 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} [2024-11-23 23:35:29,228 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-11-23 23:35:29,229 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 656 flow [2024-11-23 23:35:29,229 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) [2024-11-23 23:35:29,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:29,230 INFO L206 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] [2024-11-23 23:35:29,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:35:29,230 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)] === [2024-11-23 23:35:29,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:29,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1314580538, now seen corresponding path program 1 times [2024-11-23 23:35:29,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:29,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423054629] [2024-11-23 23:35:29,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:29,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:29,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423054629] [2024-11-23 23:35:29,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423054629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:29,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:29,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:29,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074403364] [2024-11-23 23:35:29,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:29,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:29,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:29,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:29,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:29,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-23 23:35:29,320 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) [2024-11-23 23:35:29,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:29,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-23 23:35:29,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:30,154 INFO L124 PetriNetUnfolderBase]: 488/4220 cut-off events. [2024-11-23 23:35:30,154 INFO L125 PetriNetUnfolderBase]: For 246/390 co-relation queries the response was YES. [2024-11-23 23:35:30,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5330 conditions, 4220 events. 488/4220 cut-off events. For 246/390 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 39670 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. [2024-11-23 23:35:30,188 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 25 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-11-23 23:35:30,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 305 transitions, 708 flow [2024-11-23 23:35:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-23 23:35:30,191 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056956115779645 [2024-11-23 23:35:30,191 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 656 flow. Second operand 3 states and 970 transitions. [2024-11-23 23:35:30,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 305 transitions, 708 flow [2024-11-23 23:35:30,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 305 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:30,199 INFO L231 Difference]: Finished difference. Result has 312 places, 305 transitions, 657 flow [2024-11-23 23:35:30,199 INFO L262 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} [2024-11-23 23:35:30,200 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-11-23 23:35:30,200 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 305 transitions, 657 flow [2024-11-23 23:35:30,201 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) [2024-11-23 23:35:30,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:30,204 INFO L206 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] [2024-11-23 23:35:30,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:35:30,204 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)] === [2024-11-23 23:35:30,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:30,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1235531822, now seen corresponding path program 1 times [2024-11-23 23:35:30,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:30,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784014903] [2024-11-23 23:35:30,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:30,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:30,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784014903] [2024-11-23 23:35:30,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784014903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:30,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:30,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:30,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250018771] [2024-11-23 23:35:30,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:30,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:30,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:30,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:30,297 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-11-23 23:35:30,299 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) [2024-11-23 23:35:30,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:30,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-11-23 23:35:30,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:30,943 INFO L124 PetriNetUnfolderBase]: 514/4563 cut-off events. [2024-11-23 23:35:30,943 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-23 23:35:30,954 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 43568 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. [2024-11-23 23:35:30,968 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-23 23:35:30,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 304 transitions, 705 flow [2024-11-23 23:35:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-23 23:35:30,971 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-11-23 23:35:30,971 INFO L175 Difference]: Start difference. First operand has 312 places, 305 transitions, 657 flow. Second operand 3 states and 974 transitions. [2024-11-23 23:35:30,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 304 transitions, 705 flow [2024-11-23 23:35:30,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 304 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:30,977 INFO L231 Difference]: Finished difference. Result has 311 places, 304 transitions, 655 flow [2024-11-23 23:35:30,978 INFO L262 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} [2024-11-23 23:35:30,978 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -30 predicate places. [2024-11-23 23:35:30,978 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 304 transitions, 655 flow [2024-11-23 23:35:30,979 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) [2024-11-23 23:35:30,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:30,979 INFO L206 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] [2024-11-23 23:35:30,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:35:30,980 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)] === [2024-11-23 23:35:30,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2013121820, now seen corresponding path program 1 times [2024-11-23 23:35:30,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:30,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445892623] [2024-11-23 23:35:30,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:30,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:31,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:31,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445892623] [2024-11-23 23:35:31,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445892623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:31,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:31,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:31,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802765349] [2024-11-23 23:35:31,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:31,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:31,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:31,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:31,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:31,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 357 [2024-11-23 23:35:31,064 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) [2024-11-23 23:35:31,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:31,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 357 [2024-11-23 23:35:31,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:31,759 INFO L124 PetriNetUnfolderBase]: 440/3867 cut-off events. [2024-11-23 23:35:31,759 INFO L125 PetriNetUnfolderBase]: For 234/310 co-relation queries the response was YES. [2024-11-23 23:35:31,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4885 conditions, 3867 events. 440/3867 cut-off events. For 234/310 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 35680 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. [2024-11-23 23:35:31,782 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 24 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-23 23:35:31,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 303 transitions, 705 flow [2024-11-23 23:35:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2024-11-23 23:35:31,786 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.907563025210084 [2024-11-23 23:35:31,786 INFO L175 Difference]: Start difference. First operand has 311 places, 304 transitions, 655 flow. Second operand 3 states and 972 transitions. [2024-11-23 23:35:31,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 303 transitions, 705 flow [2024-11-23 23:35:31,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 303 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:31,793 INFO L231 Difference]: Finished difference. Result has 310 places, 303 transitions, 653 flow [2024-11-23 23:35:31,795 INFO L262 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} [2024-11-23 23:35:31,796 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -31 predicate places. [2024-11-23 23:35:31,797 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 653 flow [2024-11-23 23:35:31,798 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) [2024-11-23 23:35:31,798 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:31,798 INFO L206 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] [2024-11-23 23:35:31,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:35:31,799 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)] === [2024-11-23 23:35:31,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:31,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2059468113, now seen corresponding path program 1 times [2024-11-23 23:35:31,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:31,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214593290] [2024-11-23 23:35:31,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:31,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214593290] [2024-11-23 23:35:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214593290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:31,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:31,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:31,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140576418] [2024-11-23 23:35:31,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:31,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:31,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:31,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:31,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:31,902 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 357 [2024-11-23 23:35:31,904 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) [2024-11-23 23:35:31,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:31,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 357 [2024-11-23 23:35:31,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:32,460 INFO L124 PetriNetUnfolderBase]: 362/4085 cut-off events. [2024-11-23 23:35:32,460 INFO L125 PetriNetUnfolderBase]: For 322/1314 co-relation queries the response was YES. [2024-11-23 23:35:32,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5110 conditions, 4085 events. 362/4085 cut-off events. For 322/1314 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 37835 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. [2024-11-23 23:35:32,481 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 27 selfloop transitions, 1 changer transitions 0/297 dead transitions. [2024-11-23 23:35:32,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 297 transitions, 697 flow [2024-11-23 23:35:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-11-23 23:35:32,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8944911297852475 [2024-11-23 23:35:32,484 INFO L175 Difference]: Start difference. First operand has 310 places, 303 transitions, 653 flow. Second operand 3 states and 958 transitions. [2024-11-23 23:35:32,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 297 transitions, 697 flow [2024-11-23 23:35:32,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 297 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:32,489 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 639 flow [2024-11-23 23:35:32,490 INFO L262 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} [2024-11-23 23:35:32,491 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -37 predicate places. [2024-11-23 23:35:32,491 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 639 flow [2024-11-23 23:35:32,491 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) [2024-11-23 23:35:32,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:32,492 INFO L206 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] [2024-11-23 23:35:32,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:35:32,492 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)] === [2024-11-23 23:35:32,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:32,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1415706165, now seen corresponding path program 1 times [2024-11-23 23:35:32,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:32,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068427014] [2024-11-23 23:35:32,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:32,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:32,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:32,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068427014] [2024-11-23 23:35:32,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068427014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:32,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:32,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396808003] [2024-11-23 23:35:32,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:32,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:32,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:32,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:32,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:32,590 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 357 [2024-11-23 23:35:32,591 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) [2024-11-23 23:35:32,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:32,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 357 [2024-11-23 23:35:32,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:32,963 INFO L124 PetriNetUnfolderBase]: 322/3123 cut-off events. [2024-11-23 23:35:32,963 INFO L125 PetriNetUnfolderBase]: For 394/494 co-relation queries the response was YES. [2024-11-23 23:35:32,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4066 conditions, 3123 events. 322/3123 cut-off events. For 394/494 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 26005 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. [2024-11-23 23:35:32,978 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 25 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-11-23 23:35:32,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 292 transitions, 681 flow [2024-11-23 23:35:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-23 23:35:32,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900093370681606 [2024-11-23 23:35:32,981 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 639 flow. Second operand 3 states and 964 transitions. [2024-11-23 23:35:32,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 292 transitions, 681 flow [2024-11-23 23:35:32,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:32,986 INFO L231 Difference]: Finished difference. Result has 300 places, 292 transitions, 630 flow [2024-11-23 23:35:32,986 INFO L262 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} [2024-11-23 23:35:32,987 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -41 predicate places. [2024-11-23 23:35:32,987 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 630 flow [2024-11-23 23:35:32,988 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) [2024-11-23 23:35:32,988 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:32,988 INFO L206 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] [2024-11-23 23:35:32,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:35:32,988 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)] === [2024-11-23 23:35:32,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1857550961, now seen corresponding path program 1 times [2024-11-23 23:35:32,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:32,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330484482] [2024-11-23 23:35:32,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:33,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330484482] [2024-11-23 23:35:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330484482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:35:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378686637] [2024-11-23 23:35:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:33,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:35:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:33,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:35:33,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:34,033 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 357 [2024-11-23 23:35:34,035 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) [2024-11-23 23:35:34,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:34,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 357 [2024-11-23 23:35:34,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:35,519 INFO L124 PetriNetUnfolderBase]: 2566/14595 cut-off events. [2024-11-23 23:35:35,519 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-11-23 23:35:35,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19374 conditions, 14595 events. 2566/14595 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 177286 event pairs, 1956 based on Foata normal form. 0/13188 useless extension candidates. Maximal degree in co-relation 19367. Up to 3973 conditions per place. [2024-11-23 23:35:35,736 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 59 selfloop transitions, 6 changer transitions 0/307 dead transitions. [2024-11-23 23:35:35,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 307 transitions, 790 flow [2024-11-23 23:35:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:35:35,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:35:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2024-11-23 23:35:35,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8487394957983193 [2024-11-23 23:35:35,740 INFO L175 Difference]: Start difference. First operand has 300 places, 292 transitions, 630 flow. Second operand 6 states and 1818 transitions. [2024-11-23 23:35:35,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 307 transitions, 790 flow [2024-11-23 23:35:35,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 307 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:35,747 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 639 flow [2024-11-23 23:35:35,747 INFO L262 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} [2024-11-23 23:35:35,748 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-11-23 23:35:35,748 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 639 flow [2024-11-23 23:35:35,749 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) [2024-11-23 23:35:35,749 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:35,750 INFO L206 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] [2024-11-23 23:35:35,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:35:35,750 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)] === [2024-11-23 23:35:35,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:35,750 INFO L85 PathProgramCache]: Analyzing trace with hash 293861445, now seen corresponding path program 1 times [2024-11-23 23:35:35,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:35,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314669740] [2024-11-23 23:35:35,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:35,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:35,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314669740] [2024-11-23 23:35:35,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314669740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:35,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:35,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:35:35,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183278756] [2024-11-23 23:35:35,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:35,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:35:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:35,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:35:35,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:35:36,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 357 [2024-11-23 23:35:36,013 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) [2024-11-23 23:35:36,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:36,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 357 [2024-11-23 23:35:36,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:36,770 INFO L124 PetriNetUnfolderBase]: 610/4941 cut-off events. [2024-11-23 23:35:36,770 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-11-23 23:35:36,790 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 47136 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. [2024-11-23 23:35:36,799 INFO L140 encePairwiseOnDemand]: 344/357 looper letters, 58 selfloop transitions, 11 changer transitions 1/331 dead transitions. [2024-11-23 23:35:36,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 883 flow [2024-11-23 23:35:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:35:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 23:35:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1320 transitions. [2024-11-23 23:35:36,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2024-11-23 23:35:36,804 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 639 flow. Second operand 4 states and 1320 transitions. [2024-11-23 23:35:36,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 883 flow [2024-11-23 23:35:36,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:35:36,811 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 709 flow [2024-11-23 23:35:36,811 INFO L262 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} [2024-11-23 23:35:36,812 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-11-23 23:35:36,812 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 709 flow [2024-11-23 23:35:36,813 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) [2024-11-23 23:35:36,813 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:36,813 INFO L206 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] [2024-11-23 23:35:36,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:35:36,814 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-23 23:35:36,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash -323001577, now seen corresponding path program 1 times [2024-11-23 23:35:36,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:36,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400781344] [2024-11-23 23:35:36,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:36,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:36,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:36,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400781344] [2024-11-23 23:35:36,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400781344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:36,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:36,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:36,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173839332] [2024-11-23 23:35:36,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:36,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:36,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:36,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:36,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:36,976 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 357 [2024-11-23 23:35:36,978 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) [2024-11-23 23:35:36,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:36,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 357 [2024-11-23 23:35:36,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:37,564 INFO L124 PetriNetUnfolderBase]: 268/2934 cut-off events. [2024-11-23 23:35:37,564 INFO L125 PetriNetUnfolderBase]: For 275/530 co-relation queries the response was YES. [2024-11-23 23:35:37,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2934 events. 268/2934 cut-off events. For 275/530 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 24387 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. [2024-11-23 23:35:37,580 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 30 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2024-11-23 23:35:37,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 312 transitions, 812 flow [2024-11-23 23:35:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2024-11-23 23:35:37,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.927170868347339 [2024-11-23 23:35:37,584 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 709 flow. Second operand 3 states and 993 transitions. [2024-11-23 23:35:37,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 312 transitions, 812 flow [2024-11-23 23:35:37,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:37,590 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 745 flow [2024-11-23 23:35:37,591 INFO L262 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} [2024-11-23 23:35:37,591 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -35 predicate places. [2024-11-23 23:35:37,591 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 745 flow [2024-11-23 23:35:37,592 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) [2024-11-23 23:35:37,592 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:37,592 INFO L206 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] [2024-11-23 23:35:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:35:37,592 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting funcAErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-23 23:35:37,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:37,593 INFO L85 PathProgramCache]: Analyzing trace with hash 347194073, now seen corresponding path program 1 times [2024-11-23 23:35:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:37,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383749173] [2024-11-23 23:35:37,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:37,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:37,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383749173] [2024-11-23 23:35:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383749173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:37,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:37,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:37,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152429680] [2024-11-23 23:35:37,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:37,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:37,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:37,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:37,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:37,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-11-23 23:35:37,713 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) [2024-11-23 23:35:37,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:37,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-11-23 23:35:37,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:38,647 INFO L124 PetriNetUnfolderBase]: 355/4187 cut-off events. [2024-11-23 23:35:38,647 INFO L125 PetriNetUnfolderBase]: For 488/1056 co-relation queries the response was YES. [2024-11-23 23:35:38,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5686 conditions, 4187 events. 355/4187 cut-off events. For 488/1056 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 40746 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. [2024-11-23 23:35:38,682 INFO L140 encePairwiseOnDemand]: 348/357 looper letters, 36 selfloop transitions, 8 changer transitions 0/321 dead transitions. [2024-11-23 23:35:38,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 321 transitions, 888 flow [2024-11-23 23:35:38,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:38,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-11-23 23:35:38,686 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9290382819794585 [2024-11-23 23:35:38,686 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 745 flow. Second operand 3 states and 995 transitions. [2024-11-23 23:35:38,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 321 transitions, 888 flow [2024-11-23 23:35:38,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 321 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:38,697 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 805 flow [2024-11-23 23:35:38,697 INFO L262 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} [2024-11-23 23:35:38,698 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -34 predicate places. [2024-11-23 23:35:38,698 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 805 flow [2024-11-23 23:35:38,699 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) [2024-11-23 23:35:38,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:38,699 INFO L206 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] [2024-11-23 23:35:38,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:35:38,700 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-23 23:35:38,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 62987466, now seen corresponding path program 1 times [2024-11-23 23:35:38,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783299921] [2024-11-23 23:35:38,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:38,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:38,737 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:38,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:35:38,809 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:35:38,810 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-11-23 23:35:38,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-23 23:35:38,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-23 23:35:38,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-23 23:35:38,818 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-23 23:35:38,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-11-23 23:35:38,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-23 23:35:38,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-23 23:35:38,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-23 23:35:38,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:35:38,823 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:38,827 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 23:35:38,827 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-23 23:35:38,900 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-23 23:35:38,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 458 transitions, 960 flow [2024-11-23 23:35:39,316 INFO L124 PetriNetUnfolderBase]: 163/1958 cut-off events. [2024-11-23 23:35:39,316 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2024-11-23 23:35:39,330 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 12305 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. [2024-11-23 23:35:39,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 458 transitions, 960 flow [2024-11-23 23:35:39,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 458 transitions, 960 flow [2024-11-23 23:35:39,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:35:39,351 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;@551c21b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:35:39,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-11-23 23:35:39,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:35:39,354 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-23 23:35:39,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:39,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:39,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:39,354 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)] === [2024-11-23 23:35:39,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1187026462, now seen corresponding path program 1 times [2024-11-23 23:35:39,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:39,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456393462] [2024-11-23 23:35:39,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:39,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:39,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456393462] [2024-11-23 23:35:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456393462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:39,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:39,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101357748] [2024-11-23 23:35:39,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:39,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:39,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:39,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:39,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:39,397 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 458 [2024-11-23 23:35:39,398 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) [2024-11-23 23:35:39,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:39,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 458 [2024-11-23 23:35:39,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:54,884 INFO L124 PetriNetUnfolderBase]: 18400/85864 cut-off events. [2024-11-23 23:35:54,884 INFO L125 PetriNetUnfolderBase]: For 7767/7767 co-relation queries the response was YES. [2024-11-23 23:35:55,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113081 conditions, 85864 events. 18400/85864 cut-off events. For 7767/7767 co-relation queries the response was YES. Maximal size of possible extension queue 1659. Compared 1310774 event pairs, 16524 based on Foata normal form. 9795/81881 useless extension candidates. Maximal degree in co-relation 87518. Up to 24187 conditions per place. [2024-11-23 23:35:55,794 INFO L140 encePairwiseOnDemand]: 437/458 looper letters, 38 selfloop transitions, 1 changer transitions 8/434 dead transitions. [2024-11-23 23:35:55,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 434 transitions, 990 flow [2024-11-23 23:35:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions. [2024-11-23 23:35:55,798 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097525473071325 [2024-11-23 23:35:55,799 INFO L175 Difference]: Start difference. First operand has 439 places, 458 transitions, 960 flow. Second operand 3 states and 1250 transitions. [2024-11-23 23:35:55,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 434 transitions, 990 flow [2024-11-23 23:35:55,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 434 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:35:55,820 INFO L231 Difference]: Finished difference. Result has 433 places, 426 transitions, 898 flow [2024-11-23 23:35:55,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=433, PETRI_TRANSITIONS=426} [2024-11-23 23:35:55,821 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -6 predicate places. [2024-11-23 23:35:55,821 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 426 transitions, 898 flow [2024-11-23 23:35:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-23 23:35:55,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:55,821 INFO L206 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] [2024-11-23 23:35:55,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:35:55,821 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-23 23:35:55,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1856849829, now seen corresponding path program 1 times [2024-11-23 23:35:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:55,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597091740] [2024-11-23 23:35:55,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:55,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597091740] [2024-11-23 23:35:55,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597091740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:55,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:55,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:35:55,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308235828] [2024-11-23 23:35:55,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:55,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:55,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:55,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:55,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:55,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 458 [2024-11-23 23:35:55,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 426 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:35:55,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:55,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 458 [2024-11-23 23:35:55,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:36:14,733 INFO L124 PetriNetUnfolderBase]: 15480/93326 cut-off events. [2024-11-23 23:36:14,733 INFO L125 PetriNetUnfolderBase]: For 16224/17730 co-relation queries the response was YES. [2024-11-23 23:36:15,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120191 conditions, 93326 events. 15480/93326 cut-off events. For 16224/17730 co-relation queries the response was YES. Maximal size of possible extension queue 2196. Compared 1536825 event pairs, 13384 based on Foata normal form. 0/79189 useless extension candidates. Maximal degree in co-relation 60064. Up to 10394 conditions per place. [2024-11-23 23:36:15,961 INFO L140 encePairwiseOnDemand]: 456/458 looper letters, 61 selfloop transitions, 1 changer transitions 0/455 dead transitions. [2024-11-23 23:36:15,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 455 transitions, 1120 flow [2024-11-23 23:36:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:36:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:36:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2024-11-23 23:36:15,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9344978165938864 [2024-11-23 23:36:15,964 INFO L175 Difference]: Start difference. First operand has 433 places, 426 transitions, 898 flow. Second operand 3 states and 1284 transitions. [2024-11-23 23:36:15,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 455 transitions, 1120 flow [2024-11-23 23:36:16,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 455 transitions, 1119 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:36:16,055 INFO L231 Difference]: Finished difference. Result has 425 places, 425 transitions, 897 flow [2024-11-23 23:36:16,055 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=425, PETRI_TRANSITIONS=425} [2024-11-23 23:36:16,056 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2024-11-23 23:36:16,056 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 425 transitions, 897 flow [2024-11-23 23:36:16,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:36:16,057 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:36:16,057 INFO L206 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] [2024-11-23 23:36:16,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:36:16,057 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-23 23:36:16,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:16,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1727494115, now seen corresponding path program 1 times [2024-11-23 23:36:16,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:16,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844288478] [2024-11-23 23:36:16,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:16,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:36:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:16,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844288478] [2024-11-23 23:36:16,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844288478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:16,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:16,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:36:16,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372678894] [2024-11-23 23:36:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:16,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:36:16,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:16,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:36:16,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:36:16,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 458 [2024-11-23 23:36:16,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 425 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 383.6666666666667) internal successors, (1151), 3 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:36:16,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:36:16,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 458 [2024-11-23 23:36:16,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand