./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/fk2012.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_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/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_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/fk2012.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/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_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/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 25a65bfeb78eff83ae0d8a23f733f9dc95190d8c8aa20c7c495d09a2bd7eb6f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:22:58,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:22:58,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:22:58,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:22:58,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:22:58,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:22:58,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:22:58,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:22:58,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:22:58,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:22:58,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:22:58,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:22:58,525 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:22:58,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:22:58,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:22:58,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:22:58,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:22:58,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:22:58,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:22:58,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:22:58,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:22:58,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:22:58,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:22:58,528 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:22:58,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:22:58,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:22:58,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:22:58,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:22:58,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:22:58,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:22:58,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:22:58,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:22:58,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:22:58,530 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:22:58,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:22:58,531 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_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/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 -> 25a65bfeb78eff83ae0d8a23f733f9dc95190d8c8aa20c7c495d09a2bd7eb6f0 [2024-11-24 00:22:58,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:22:58,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:22:58,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:22:58,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:22:58,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:22:58,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-lit/fk2012.i [2024-11-24 00:23:02,602 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/data/52fa71474/c6ca7baeb6b64a179eda471326427de7/FLAG48ad8d107 [2024-11-24 00:23:02,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:23:02,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/sv-benchmarks/c/pthread-lit/fk2012.i [2024-11-24 00:23:03,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/data/52fa71474/c6ca7baeb6b64a179eda471326427de7/FLAG48ad8d107 [2024-11-24 00:23:03,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/data/52fa71474/c6ca7baeb6b64a179eda471326427de7 [2024-11-24 00:23:03,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:23:03,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:23:03,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:03,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:23:03,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:23:03,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:03,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a70879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03, skipping insertion in model container [2024-11-24 00:23:03,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:03,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:23:03,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:03,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:23:03,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:03,940 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:23:03,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03 WrapperNode [2024-11-24 00:23:03,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:03,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:03,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:23:03,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:23:03,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:03,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,003 INFO L138 Inliner]: procedures = 276, calls = 31, calls flagged for inlining = 17, calls inlined = 22, statements flattened = 250 [2024-11-24 00:23:04,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:04,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:23:04,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:23:04,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:23:04,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:23:04,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:23:04,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:23:04,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:23:04,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (1/1) ... [2024-11-24 00:23:04,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:04,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:04,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:23:04,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2262f4b-7608-4e4a-91c2-88ca8ad1f994/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:23:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 00:23:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 00:23:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:23:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure producer [2024-11-24 00:23:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure producer [2024-11-24 00:23:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure consumer [2024-11-24 00:23:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer [2024-11-24 00:23:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:23:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:23:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:23:04,123 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:23:04,266 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:23:04,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:23:04,770 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:23:04,770 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:23:04,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:23:04,966 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-24 00:23:04,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:04 BoogieIcfgContainer [2024-11-24 00:23:04,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:23:04,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:23:04,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:23:04,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:23:04,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:23:03" (1/3) ... [2024-11-24 00:23:04,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b54009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:04, skipping insertion in model container [2024-11-24 00:23:04,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:03" (2/3) ... [2024-11-24 00:23:04,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b54009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:04, skipping insertion in model container [2024-11-24 00:23:04,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:04" (3/3) ... [2024-11-24 00:23:04,982 INFO L128 eAbstractionObserver]: Analyzing ICFG fk2012.i [2024-11-24 00:23:05,004 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:23:05,006 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fk2012.i that has 3 procedures, 180 locations, 1 initial locations, 3 loop locations, and 32 error locations. [2024-11-24 00:23:05,006 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:23:05,074 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 00:23:05,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 190 transitions, 388 flow [2024-11-24 00:23:05,266 INFO L124 PetriNetUnfolderBase]: 21/385 cut-off events. [2024-11-24 00:23:05,269 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:23:05,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 385 events. 21/385 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1623 event pairs, 1 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2024-11-24 00:23:05,283 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 190 transitions, 388 flow [2024-11-24 00:23:05,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 190 transitions, 388 flow [2024-11-24 00:23:05,304 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:23:05,324 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;@2fb23b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:23:05,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2024-11-24 00:23:05,332 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:23:05,332 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-24 00:23:05,332 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:23:05,333 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:05,333 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:05,334 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-24 00:23:05,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:05,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1368597813, now seen corresponding path program 1 times [2024-11-24 00:23:05,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851306459] [2024-11-24 00:23:05,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:05,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:05,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851306459] [2024-11-24 00:23:05,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851306459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:05,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:05,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356597440] [2024-11-24 00:23:05,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:05,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:05,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:05,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:05,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:05,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 190 [2024-11-24 00:23:05,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 190 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:05,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:05,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 190 [2024-11-24 00:23:05,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:06,284 INFO L124 PetriNetUnfolderBase]: 239/1568 cut-off events. [2024-11-24 00:23:06,284 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-24 00:23:06,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2087 conditions, 1568 events. 239/1568 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 12873 event pairs, 203 based on Foata normal form. 252/1613 useless extension candidates. Maximal degree in co-relation 1030. Up to 466 conditions per place. [2024-11-24 00:23:06,301 INFO L140 encePairwiseOnDemand]: 162/190 looper letters, 25 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-11-24 00:23:06,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 378 flow [2024-11-24 00:23:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:06,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2024-11-24 00:23:06,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8035087719298246 [2024-11-24 00:23:06,321 INFO L175 Difference]: Start difference. First operand has 186 places, 190 transitions, 388 flow. Second operand 3 states and 458 transitions. [2024-11-24 00:23:06,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 378 flow [2024-11-24 00:23:06,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:23:06,333 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 328 flow [2024-11-24 00:23:06,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-11-24 00:23:06,340 INFO L279 CegarLoopForPetriNet]: 186 programPoint places, -24 predicate places. [2024-11-24 00:23:06,340 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 328 flow [2024-11-24 00:23:06,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:06,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:06,341 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] [2024-11-24 00:23:06,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:23:06,342 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-24 00:23:06,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:06,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1468350032, now seen corresponding path program 1 times [2024-11-24 00:23:06,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:06,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000891456] [2024-11-24 00:23:06,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:06,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:06,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:06,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000891456] [2024-11-24 00:23:06,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000891456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:06,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:06,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:06,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699506025] [2024-11-24 00:23:06,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:06,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:06,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:06,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:06,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:06,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 190 [2024-11-24 00:23:06,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:06,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:06,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 190 [2024-11-24 00:23:06,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:06,698 INFO L124 PetriNetUnfolderBase]: 67/882 cut-off events. [2024-11-24 00:23:06,699 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 00:23:06,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1039 conditions, 882 events. 67/882 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5832 event pairs, 46 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 1014. Up to 123 conditions per place. [2024-11-24 00:23:06,711 INFO L140 encePairwiseOnDemand]: 187/190 looper letters, 14 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-24 00:23:06,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 157 transitions, 358 flow [2024-11-24 00:23:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2024-11-24 00:23:06,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7982456140350878 [2024-11-24 00:23:06,719 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 328 flow. Second operand 3 states and 455 transitions. [2024-11-24 00:23:06,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 157 transitions, 358 flow [2024-11-24 00:23:06,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 157 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:23:06,728 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 326 flow [2024-11-24 00:23:06,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2024-11-24 00:23:06,729 INFO L279 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2024-11-24 00:23:06,730 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 326 flow [2024-11-24 00:23:06,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:06,730 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:06,731 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] [2024-11-24 00:23:06,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:23:06,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-24 00:23:06,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash 176081977, now seen corresponding path program 1 times [2024-11-24 00:23:06,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:06,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645125408] [2024-11-24 00:23:06,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:06,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:06,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645125408] [2024-11-24 00:23:06,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645125408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:06,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:06,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:06,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589086844] [2024-11-24 00:23:06,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:06,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:06,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:06,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:06,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:06,865 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 190 [2024-11-24 00:23:06,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:06,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:06,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 190 [2024-11-24 00:23:06,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:07,071 INFO L124 PetriNetUnfolderBase]: 67/881 cut-off events. [2024-11-24 00:23:07,072 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 00:23:07,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 881 events. 67/881 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5831 event pairs, 46 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 1008. Up to 123 conditions per place. [2024-11-24 00:23:07,082 INFO L140 encePairwiseOnDemand]: 187/190 looper letters, 14 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-24 00:23:07,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 156 transitions, 356 flow [2024-11-24 00:23:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2024-11-24 00:23:07,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7982456140350878 [2024-11-24 00:23:07,084 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 326 flow. Second operand 3 states and 455 transitions. [2024-11-24 00:23:07,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 156 transitions, 356 flow [2024-11-24 00:23:07,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:23:07,090 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 324 flow [2024-11-24 00:23:07,094 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-24 00:23:07,095 INFO L279 CegarLoopForPetriNet]: 186 programPoint places, -26 predicate places. [2024-11-24 00:23:07,095 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 324 flow [2024-11-24 00:23:07,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:07,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:07,097 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] [2024-11-24 00:23:07,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:23:07,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting consumerErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-24 00:23:07,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1292212693, now seen corresponding path program 1 times [2024-11-24 00:23:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:07,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617211784] [2024-11-24 00:23:07,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:07,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:07,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:07,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617211784] [2024-11-24 00:23:07,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617211784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:07,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:07,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:07,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138535979] [2024-11-24 00:23:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:07,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:07,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:07,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:07,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:07,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 190 [2024-11-24 00:23:07,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:07,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:07,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 190 [2024-11-24 00:23:07,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:07,890 INFO L124 PetriNetUnfolderBase]: 543/2910 cut-off events. [2024-11-24 00:23:07,891 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-24 00:23:07,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4137 conditions, 2910 events. 543/2910 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 27408 event pairs, 184 based on Foata normal form. 0/2617 useless extension candidates. Maximal degree in co-relation 4102. Up to 853 conditions per place. [2024-11-24 00:23:07,911 INFO L140 encePairwiseOnDemand]: 165/190 looper letters, 48 selfloop transitions, 18 changer transitions 0/185 dead transitions. [2024-11-24 00:23:07,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 185 transitions, 520 flow [2024-11-24 00:23:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 454 transitions. [2024-11-24 00:23:07,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7964912280701755 [2024-11-24 00:23:07,914 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 324 flow. Second operand 3 states and 454 transitions. [2024-11-24 00:23:07,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 185 transitions, 520 flow [2024-11-24 00:23:07,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 185 transitions, 516 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:23:07,921 INFO L231 Difference]: Finished difference. Result has 162 places, 174 transitions, 478 flow [2024-11-24 00:23:07,921 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=162, PETRI_TRANSITIONS=174} [2024-11-24 00:23:07,923 INFO L279 CegarLoopForPetriNet]: 186 programPoint places, -24 predicate places. [2024-11-24 00:23:07,923 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 174 transitions, 478 flow [2024-11-24 00:23:07,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:07,924 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:07,925 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2024-11-24 00:23:07,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:23:07,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-24 00:23:07,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:07,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1924527302, now seen corresponding path program 1 times [2024-11-24 00:23:07,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:07,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5143372] [2024-11-24 00:23:07,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:07,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:23:07,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:23:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:23:08,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:23:08,013 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:23:08,014 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 63 remaining) [2024-11-24 00:23:08,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr0ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2024-11-24 00:23:08,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr1ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2024-11-24 00:23:08,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr2ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr3ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr4ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr5ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr11ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr12ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr6ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2024-11-24 00:23:08,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr13ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr7ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr8ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr16ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr14ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr9ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr10ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr17ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr18ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr15ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2024-11-24 00:23:08,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr0ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr1ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr5ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr2ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr3ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr4ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr6ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr7ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr8ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr9ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2024-11-24 00:23:08,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr0ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2024-11-24 00:23:08,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr1ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2024-11-24 00:23:08,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr2ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2024-11-24 00:23:08,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr3ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2024-11-24 00:23:08,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr4ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2024-11-24 00:23:08,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr5ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2024-11-24 00:23:08,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr11ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr12ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr6ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr13ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr7ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr8ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr16ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2024-11-24 00:23:08,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr14ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2024-11-24 00:23:08,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr9ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2024-11-24 00:23:08,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr10ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2024-11-24 00:23:08,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr17ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2024-11-24 00:23:08,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr18ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2024-11-24 00:23:08,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr15ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2024-11-24 00:23:08,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr0ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2024-11-24 00:23:08,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr1ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2024-11-24 00:23:08,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr5ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr2ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr3ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr4ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr6ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr7ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr8ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2024-11-24 00:23:08,034 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr9ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2024-11-24 00:23:08,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:23:08,035 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 00:23:08,038 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-24 00:23:08,039 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-24 00:23:08,128 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 00:23:08,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 325 transitions, 670 flow [2024-11-24 00:23:08,476 INFO L124 PetriNetUnfolderBase]: 61/1033 cut-off events. [2024-11-24 00:23:08,477 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-24 00:23:08,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 1033 events. 61/1033 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6801 event pairs, 4 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 658. Up to 18 conditions per place. [2024-11-24 00:23:08,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 317 places, 325 transitions, 670 flow [2024-11-24 00:23:08,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 325 transitions, 670 flow [2024-11-24 00:23:08,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:23:08,507 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;@2fb23b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:23:08,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-11-24 00:23:08,509 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:23:08,509 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-24 00:23:08,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:23:08,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:08,509 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:08,509 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-11-24 00:23:08,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:08,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1150416331, now seen corresponding path program 1 times [2024-11-24 00:23:08,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:08,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310962644] [2024-11-24 00:23:08,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:08,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:08,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310962644] [2024-11-24 00:23:08,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310962644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:08,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:08,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:08,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807978813] [2024-11-24 00:23:08,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:08,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:08,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:08,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:08,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:08,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 325 [2024-11-24 00:23:08,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 325 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:08,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:08,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 325 [2024-11-24 00:23:08,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:49,808 INFO L124 PetriNetUnfolderBase]: 85296/238142 cut-off events. [2024-11-24 00:23:49,808 INFO L125 PetriNetUnfolderBase]: For 8420/8420 co-relation queries the response was YES. [2024-11-24 00:23:51,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359867 conditions, 238142 events. 85296/238142 cut-off events. For 8420/8420 co-relation queries the response was YES. Maximal size of possible extension queue 6330. Compared 3713566 event pairs, 77240 based on Foata normal form. 46155/259910 useless extension candidates. Maximal degree in co-relation 167580. Up to 113020 conditions per place. [2024-11-24 00:23:53,397 INFO L140 encePairwiseOnDemand]: 274/325 looper letters, 47 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2024-11-24 00:23:53,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 268 transitions, 654 flow [2024-11-24 00:23:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 770 transitions. [2024-11-24 00:23:53,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7897435897435897 [2024-11-24 00:23:53,401 INFO L175 Difference]: Start difference. First operand has 317 places, 325 transitions, 670 flow. Second operand 3 states and 770 transitions. [2024-11-24 00:23:53,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 268 transitions, 654 flow [2024-11-24 00:23:53,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 268 transitions, 654 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:23:53,421 INFO L231 Difference]: Finished difference. Result has 273 places, 268 transitions, 560 flow [2024-11-24 00:23:53,421 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=273, PETRI_TRANSITIONS=268} [2024-11-24 00:23:53,422 INFO L279 CegarLoopForPetriNet]: 317 programPoint places, -44 predicate places. [2024-11-24 00:23:53,423 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 268 transitions, 560 flow [2024-11-24 00:23:53,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:53,424 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:53,424 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] [2024-11-24 00:23:53,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:23:53,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-11-24 00:23:53,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:53,425 INFO L85 PathProgramCache]: Analyzing trace with hash -567412395, now seen corresponding path program 1 times [2024-11-24 00:23:53,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487157977] [2024-11-24 00:23:53,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:53,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:53,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487157977] [2024-11-24 00:23:53,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487157977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:53,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:53,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:53,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286713301] [2024-11-24 00:23:53,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:53,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:53,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:53,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:53,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:53,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 325 [2024-11-24 00:23:53,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 268 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:53,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:53,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 325 [2024-11-24 00:23:53,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:23:58,638 INFO L124 PetriNetUnfolderBase]: 6118/31799 cut-off events. [2024-11-24 00:23:58,638 INFO L125 PetriNetUnfolderBase]: For 1209/1209 co-relation queries the response was YES. [2024-11-24 00:23:58,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41020 conditions, 31799 events. 6118/31799 cut-off events. For 1209/1209 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 453950 event pairs, 4882 based on Foata normal form. 0/27396 useless extension candidates. Maximal degree in co-relation 40993. Up to 7930 conditions per place. [2024-11-24 00:23:59,061 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 25 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2024-11-24 00:23:59,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 267 transitions, 612 flow [2024-11-24 00:23:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:23:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2024-11-24 00:23:59,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7856410256410257 [2024-11-24 00:23:59,065 INFO L175 Difference]: Start difference. First operand has 273 places, 268 transitions, 560 flow. Second operand 3 states and 766 transitions. [2024-11-24 00:23:59,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 267 transitions, 612 flow [2024-11-24 00:23:59,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 267 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:23:59,074 INFO L231 Difference]: Finished difference. Result has 272 places, 267 transitions, 558 flow [2024-11-24 00:23:59,075 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=272, PETRI_TRANSITIONS=267} [2024-11-24 00:23:59,076 INFO L279 CegarLoopForPetriNet]: 317 programPoint places, -45 predicate places. [2024-11-24 00:23:59,076 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 267 transitions, 558 flow [2024-11-24 00:23:59,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:59,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:23:59,077 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] [2024-11-24 00:23:59,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:23:59,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-11-24 00:23:59,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:59,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1575506855, now seen corresponding path program 1 times [2024-11-24 00:23:59,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:59,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039166826] [2024-11-24 00:23:59,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:59,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:23:59,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:59,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039166826] [2024-11-24 00:23:59,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039166826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:59,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:59,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:23:59,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741015500] [2024-11-24 00:23:59,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:59,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:59,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:59,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:59,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:59,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 325 [2024-11-24 00:23:59,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 267 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:23:59,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:23:59,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 325 [2024-11-24 00:23:59,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand