./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd --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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:18:55,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:18:55,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:18:55,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:18:55,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:18:55,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:18:55,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:18:55,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:18:55,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:18:55,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:18:55,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:18:55,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:18:55,669 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:18:55,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:18:55,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:18:55,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:18:55,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:18:55,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:18:55,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:18:55,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:18:55,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:18:55,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:18:55,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:55,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:18:55,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:18:55,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:18:55,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:18:55,673 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_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd 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 -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2024-11-13 14:18:56,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:18:56,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:18:56,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:18:56,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:18:56,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:18:56,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c Unable to find full path for "g++" [2024-11-13 14:18:58,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:18:58,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:18:58,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2024-11-13 14:18:58,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/data/7104406d2/dc9beb3d1ee24846b80fea2c59bd378d/FLAG3fc5063e0 [2024-11-13 14:18:58,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/data/7104406d2/dc9beb3d1ee24846b80fea2c59bd378d [2024-11-13 14:18:58,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:18:58,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:18:58,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:58,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:18:58,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:18:58,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:58" (1/1) ... [2024-11-13 14:18:58,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3714d39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:58, skipping insertion in model container [2024-11-13 14:18:58,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:58" (1/1) ... [2024-11-13 14:18:58,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:18:59,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:59,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:18:59,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:59,305 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:18:59,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59 WrapperNode [2024-11-13 14:18:59,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:59,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:59,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:18:59,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:18:59,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,374 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-13 14:18:59,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:59,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:18:59,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:18:59,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:18:59,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:18:59,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:18:59,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:18:59,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:18:59,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (1/1) ... [2024-11-13 14:18:59,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:59,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:59,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:18:59,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 14:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 14:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 14:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 14:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 14:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 14:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 14:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 14:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:18:59,540 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:18:59,691 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:18:59,694 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:19:00,524 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:19:00,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:19:00,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:19:00,562 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 14:19:00,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:00 BoogieIcfgContainer [2024-11-13 14:19:00,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:19:00,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:19:00,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:19:00,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:19:00,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:18:58" (1/3) ... [2024-11-13 14:19:00,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753267dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:00, skipping insertion in model container [2024-11-13 14:19:00,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:59" (2/3) ... [2024-11-13 14:19:00,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753267dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:00, skipping insertion in model container [2024-11-13 14:19:00,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:00" (3/3) ... [2024-11-13 14:19:00,578 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2024-11-13 14:19:00,598 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:19:00,600 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp2x4.wvr.c that has 5 procedures, 294 locations, 1 initial locations, 4 loop locations, and 47 error locations. [2024-11-13 14:19:00,601 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:19:00,845 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 14:19:00,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 307 transitions, 642 flow [2024-11-13 14:19:01,162 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2024-11-13 14:19:01,166 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 14:19:01,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 303 events. 14/303 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 645 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2024-11-13 14:19:01,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 306 places, 307 transitions, 642 flow [2024-11-13 14:19:01,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 284 places, 283 transitions, 590 flow [2024-11-13 14:19:01,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:19:01,241 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;@1ab6f7d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:19:01,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-13 14:19:01,256 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:19:01,257 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-13 14:19:01,257 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:19:01,257 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:01,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:01,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:01,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:01,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1031709606, now seen corresponding path program 1 times [2024-11-13 14:19:01,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:01,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747122369] [2024-11-13 14:19:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:01,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:01,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747122369] [2024-11-13 14:19:01,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747122369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:01,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:01,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:01,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993687393] [2024-11-13 14:19:01,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:01,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:01,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:01,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:01,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 307 [2024-11-13 14:19:01,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 283 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-13 14:19:01,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:01,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 307 [2024-11-13 14:19:01,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:02,021 INFO L124 PetriNetUnfolderBase]: 31/403 cut-off events. [2024-11-13 14:19:02,021 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-13 14:19:02,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 403 events. 31/403 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1611 event pairs, 21 based on Foata normal form. 55/375 useless extension candidates. Maximal degree in co-relation 389. Up to 67 conditions per place. [2024-11-13 14:19:02,039 INFO L140 encePairwiseOnDemand]: 299/307 looper letters, 21 selfloop transitions, 2 changer transitions 1/277 dead transitions. [2024-11-13 14:19:02,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 277 transitions, 624 flow [2024-11-13 14:19:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2024-11-13 14:19:02,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272529858849077 [2024-11-13 14:19:02,063 INFO L175 Difference]: Start difference. First operand has 284 places, 283 transitions, 590 flow. Second operand 3 states and 854 transitions. [2024-11-13 14:19:02,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 277 transitions, 624 flow [2024-11-13 14:19:02,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 277 transitions, 608 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-13 14:19:02,091 INFO L231 Difference]: Finished difference. Result has 277 places, 276 transitions, 564 flow [2024-11-13 14:19:02,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=277, PETRI_TRANSITIONS=276} [2024-11-13 14:19:02,100 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -7 predicate places. [2024-11-13 14:19:02,100 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 276 transitions, 564 flow [2024-11-13 14:19:02,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-13 14:19:02,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:02,102 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:02,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:19:02,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:02,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:02,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1835969741, now seen corresponding path program 1 times [2024-11-13 14:19:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711762652] [2024-11-13 14:19:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:02,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:02,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:02,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711762652] [2024-11-13 14:19:02,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711762652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:02,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:02,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:02,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742854667] [2024-11-13 14:19:02,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:02,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:02,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2024-11-13 14:19:02,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 276 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-13 14:19:02,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:02,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2024-11-13 14:19:02,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:02,487 INFO L124 PetriNetUnfolderBase]: 31/401 cut-off events. [2024-11-13 14:19:02,488 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-13 14:19:02,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 401 events. 31/401 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1572 event pairs, 21 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 461. Up to 66 conditions per place. [2024-11-13 14:19:02,498 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 20 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2024-11-13 14:19:02,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 275 transitions, 606 flow [2024-11-13 14:19:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-13 14:19:02,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239956568946797 [2024-11-13 14:19:02,503 INFO L175 Difference]: Start difference. First operand has 277 places, 276 transitions, 564 flow. Second operand 3 states and 851 transitions. [2024-11-13 14:19:02,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 275 transitions, 606 flow [2024-11-13 14:19:02,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 275 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:02,516 INFO L231 Difference]: Finished difference. Result has 275 places, 275 transitions, 562 flow [2024-11-13 14:19:02,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=275} [2024-11-13 14:19:02,521 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -9 predicate places. [2024-11-13 14:19:02,521 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 275 transitions, 562 flow [2024-11-13 14:19:02,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-13 14:19:02,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:02,523 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:02,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:19:02,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1942997430, now seen corresponding path program 1 times [2024-11-13 14:19:02,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:02,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205953619] [2024-11-13 14:19:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:02,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205953619] [2024-11-13 14:19:02,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205953619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:02,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:02,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:02,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476481980] [2024-11-13 14:19:02,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:02,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:02,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:02,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:02,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:02,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 307 [2024-11-13 14:19:02,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 275 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-13 14:19:02,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:02,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 307 [2024-11-13 14:19:02,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:02,932 INFO L124 PetriNetUnfolderBase]: 31/373 cut-off events. [2024-11-13 14:19:02,933 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-13 14:19:02,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 373 events. 31/373 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1313 event pairs, 21 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 420. Up to 67 conditions per place. [2024-11-13 14:19:02,942 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-13 14:19:02,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 274 transitions, 606 flow [2024-11-13 14:19:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 849 transitions. [2024-11-13 14:19:02,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9218241042345277 [2024-11-13 14:19:02,949 INFO L175 Difference]: Start difference. First operand has 275 places, 275 transitions, 562 flow. Second operand 3 states and 849 transitions. [2024-11-13 14:19:02,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 274 transitions, 606 flow [2024-11-13 14:19:02,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 274 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:02,956 INFO L231 Difference]: Finished difference. Result has 274 places, 274 transitions, 560 flow [2024-11-13 14:19:02,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=274} [2024-11-13 14:19:02,958 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -10 predicate places. [2024-11-13 14:19:02,959 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 274 transitions, 560 flow [2024-11-13 14:19:02,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-13 14:19:02,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:02,960 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:02,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:19:02,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:02,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash -355512452, now seen corresponding path program 1 times [2024-11-13 14:19:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:02,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180297093] [2024-11-13 14:19:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:03,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:03,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180297093] [2024-11-13 14:19:03,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180297093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:03,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:03,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:03,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154832935] [2024-11-13 14:19:03,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:03,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:03,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:03,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:03,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:03,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2024-11-13 14:19:03,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 274 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-13 14:19:03,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:03,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2024-11-13 14:19:03,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:03,290 INFO L124 PetriNetUnfolderBase]: 31/345 cut-off events. [2024-11-13 14:19:03,290 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-13 14:19:03,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 345 events. 31/345 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1115 event pairs, 21 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 377. Up to 66 conditions per place. [2024-11-13 14:19:03,297 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 20 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2024-11-13 14:19:03,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 273 transitions, 602 flow [2024-11-13 14:19:03,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-13 14:19:03,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239956568946797 [2024-11-13 14:19:03,301 INFO L175 Difference]: Start difference. First operand has 274 places, 274 transitions, 560 flow. Second operand 3 states and 851 transitions. [2024-11-13 14:19:03,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 273 transitions, 602 flow [2024-11-13 14:19:03,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 273 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:03,308 INFO L231 Difference]: Finished difference. Result has 273 places, 273 transitions, 558 flow [2024-11-13 14:19:03,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=273, PETRI_TRANSITIONS=273} [2024-11-13 14:19:03,310 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -11 predicate places. [2024-11-13 14:19:03,311 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 273 transitions, 558 flow [2024-11-13 14:19:03,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-13 14:19:03,312 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:03,312 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:03,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:19:03,312 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:03,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:03,313 INFO L85 PathProgramCache]: Analyzing trace with hash 258062760, now seen corresponding path program 1 times [2024-11-13 14:19:03,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:03,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024391105] [2024-11-13 14:19:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:03,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:03,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024391105] [2024-11-13 14:19:03,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024391105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:03,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:03,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:03,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078852118] [2024-11-13 14:19:03,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:03,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:03,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:03,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:03,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 307 [2024-11-13 14:19:03,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 273 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-13 14:19:03,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:03,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 307 [2024-11-13 14:19:03,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:03,854 INFO L124 PetriNetUnfolderBase]: 102/1390 cut-off events. [2024-11-13 14:19:03,855 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 14:19:03,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1555 conditions, 1390 events. 102/1390 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10360 event pairs, 51 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 1504. Up to 144 conditions per place. [2024-11-13 14:19:03,894 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2024-11-13 14:19:03,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 272 transitions, 590 flow [2024-11-13 14:19:03,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-13 14:19:03,898 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348534201954397 [2024-11-13 14:19:03,898 INFO L175 Difference]: Start difference. First operand has 273 places, 273 transitions, 558 flow. Second operand 3 states and 861 transitions. [2024-11-13 14:19:03,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 272 transitions, 590 flow [2024-11-13 14:19:03,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 272 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:03,904 INFO L231 Difference]: Finished difference. Result has 272 places, 272 transitions, 556 flow [2024-11-13 14:19:03,905 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=272, PETRI_TRANSITIONS=272} [2024-11-13 14:19:03,906 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -12 predicate places. [2024-11-13 14:19:03,909 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 272 transitions, 556 flow [2024-11-13 14:19:03,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-13 14:19:03,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:03,911 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:03,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:19:03,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:03,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:03,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1344753902, now seen corresponding path program 1 times [2024-11-13 14:19:03,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:03,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938438631] [2024-11-13 14:19:03,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:04,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938438631] [2024-11-13 14:19:04,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938438631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:04,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:04,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:04,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941363629] [2024-11-13 14:19:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:04,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:04,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 307 [2024-11-13 14:19:04,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 272 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-13 14:19:04,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:04,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 307 [2024-11-13 14:19:04,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:04,232 INFO L124 PetriNetUnfolderBase]: 46/391 cut-off events. [2024-11-13 14:19:04,232 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:19:04,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 391 events. 46/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1660 event pairs, 30 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 481. Up to 88 conditions per place. [2024-11-13 14:19:04,241 INFO L140 encePairwiseOnDemand]: 294/307 looper letters, 26 selfloop transitions, 5 changer transitions 0/268 dead transitions. [2024-11-13 14:19:04,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 268 transitions, 613 flow [2024-11-13 14:19:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2024-11-13 14:19:04,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9055374592833876 [2024-11-13 14:19:04,245 INFO L175 Difference]: Start difference. First operand has 272 places, 272 transitions, 556 flow. Second operand 3 states and 834 transitions. [2024-11-13 14:19:04,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 268 transitions, 613 flow [2024-11-13 14:19:04,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 268 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:04,252 INFO L231 Difference]: Finished difference. Result has 265 places, 265 transitions, 555 flow [2024-11-13 14:19:04,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=265, PETRI_TRANSITIONS=265} [2024-11-13 14:19:04,254 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -19 predicate places. [2024-11-13 14:19:04,254 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 265 transitions, 555 flow [2024-11-13 14:19:04,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-13 14:19:04,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:04,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:04,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:19:04,255 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:04,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash 476669512, now seen corresponding path program 1 times [2024-11-13 14:19:04,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:04,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543331957] [2024-11-13 14:19:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:04,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543331957] [2024-11-13 14:19:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543331957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:04,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:04,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:04,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485871099] [2024-11-13 14:19:04,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:04,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:04,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:04,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:04,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:04,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 307 [2024-11-13 14:19:04,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 265 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-13 14:19:04,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:04,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 307 [2024-11-13 14:19:04,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:04,583 INFO L124 PetriNetUnfolderBase]: 46/385 cut-off events. [2024-11-13 14:19:04,584 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 14:19:04,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 385 events. 46/385 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1611 event pairs, 30 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 446. Up to 86 conditions per place. [2024-11-13 14:19:04,597 INFO L140 encePairwiseOnDemand]: 295/307 looper letters, 24 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2024-11-13 14:19:04,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 262 transitions, 610 flow [2024-11-13 14:19:04,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2024-11-13 14:19:04,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9120521172638436 [2024-11-13 14:19:04,602 INFO L175 Difference]: Start difference. First operand has 265 places, 265 transitions, 555 flow. Second operand 3 states and 840 transitions. [2024-11-13 14:19:04,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 262 transitions, 610 flow [2024-11-13 14:19:04,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 262 transitions, 605 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:04,613 INFO L231 Difference]: Finished difference. Result has 260 places, 259 transitions, 555 flow [2024-11-13 14:19:04,614 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=260, PETRI_TRANSITIONS=259} [2024-11-13 14:19:04,616 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -24 predicate places. [2024-11-13 14:19:04,617 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 259 transitions, 555 flow [2024-11-13 14:19:04,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-13 14:19:04,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:04,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:04,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:19:04,619 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:04,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:04,619 INFO L85 PathProgramCache]: Analyzing trace with hash 815320381, now seen corresponding path program 1 times [2024-11-13 14:19:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:04,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2562719] [2024-11-13 14:19:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:04,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:04,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2562719] [2024-11-13 14:19:04,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2562719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:04,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:04,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:04,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110973680] [2024-11-13 14:19:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:04,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:04,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:04,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:04,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 307 [2024-11-13 14:19:04,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 259 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-13 14:19:04,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:04,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 307 [2024-11-13 14:19:04,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:04,958 INFO L124 PetriNetUnfolderBase]: 54/534 cut-off events. [2024-11-13 14:19:04,958 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-13 14:19:04,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 534 events. 54/534 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2637 event pairs, 21 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 593. Up to 92 conditions per place. [2024-11-13 14:19:04,975 INFO L140 encePairwiseOnDemand]: 293/307 looper letters, 29 selfloop transitions, 6 changer transitions 0/259 dead transitions. [2024-11-13 14:19:04,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 259 transitions, 631 flow [2024-11-13 14:19:04,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2024-11-13 14:19:04,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098805646036916 [2024-11-13 14:19:04,979 INFO L175 Difference]: Start difference. First operand has 260 places, 259 transitions, 555 flow. Second operand 3 states and 838 transitions. [2024-11-13 14:19:04,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 259 transitions, 631 flow [2024-11-13 14:19:04,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 259 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:04,988 INFO L231 Difference]: Finished difference. Result has 254 places, 253 transitions, 560 flow [2024-11-13 14:19:04,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=254, PETRI_TRANSITIONS=253} [2024-11-13 14:19:04,990 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -30 predicate places. [2024-11-13 14:19:04,992 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 253 transitions, 560 flow [2024-11-13 14:19:04,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-13 14:19:04,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:04,994 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:04,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:19:04,994 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:04,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:04,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1838859848, now seen corresponding path program 1 times [2024-11-13 14:19:04,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:04,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116353969] [2024-11-13 14:19:04,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:05,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116353969] [2024-11-13 14:19:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116353969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:05,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:05,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:19:05,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849742410] [2024-11-13 14:19:05,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:05,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:19:05,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:05,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:19:05,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:19:05,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 307 [2024-11-13 14:19:05,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 253 transitions, 560 flow. Second operand has 4 states, 4 states have (on average 281.25) internal successors, (1125), 4 states have internal predecessors, (1125), 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) [2024-11-13 14:19:05,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:05,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 307 [2024-11-13 14:19:05,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:05,339 INFO L124 PetriNetUnfolderBase]: 12/421 cut-off events. [2024-11-13 14:19:05,339 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 14:19:05,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 421 events. 12/421 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1562 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 352. Up to 26 conditions per place. [2024-11-13 14:19:05,347 INFO L140 encePairwiseOnDemand]: 301/307 looper letters, 19 selfloop transitions, 5 changer transitions 0/258 dead transitions. [2024-11-13 14:19:05,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 258 transitions, 618 flow [2024-11-13 14:19:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:19:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:19:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1425 transitions. [2024-11-13 14:19:05,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-13 14:19:05,353 INFO L175 Difference]: Start difference. First operand has 254 places, 253 transitions, 560 flow. Second operand 5 states and 1425 transitions. [2024-11-13 14:19:05,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 258 transitions, 618 flow [2024-11-13 14:19:05,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 258 transitions, 612 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:05,364 INFO L231 Difference]: Finished difference. Result has 261 places, 257 transitions, 592 flow [2024-11-13 14:19:05,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=592, PETRI_PLACES=261, PETRI_TRANSITIONS=257} [2024-11-13 14:19:05,367 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -23 predicate places. [2024-11-13 14:19:05,367 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 257 transitions, 592 flow [2024-11-13 14:19:05,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 281.25) internal successors, (1125), 4 states have internal predecessors, (1125), 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) [2024-11-13 14:19:05,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:05,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:05,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:19:05,369 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:05,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:05,369 INFO L85 PathProgramCache]: Analyzing trace with hash -174195709, now seen corresponding path program 1 times [2024-11-13 14:19:05,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:05,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567957906] [2024-11-13 14:19:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:05,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:05,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567957906] [2024-11-13 14:19:05,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567957906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:05,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:05,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:05,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895380785] [2024-11-13 14:19:05,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:05,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:05,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:05,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 307 [2024-11-13 14:19:05,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 257 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-13 14:19:05,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:05,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 307 [2024-11-13 14:19:05,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:05,790 INFO L124 PetriNetUnfolderBase]: 83/727 cut-off events. [2024-11-13 14:19:05,790 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-13 14:19:05,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 727 events. 83/727 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4167 event pairs, 10 based on Foata normal form. 1/671 useless extension candidates. Maximal degree in co-relation 703. Up to 140 conditions per place. [2024-11-13 14:19:05,803 INFO L140 encePairwiseOnDemand]: 295/307 looper letters, 25 selfloop transitions, 5 changer transitions 10/258 dead transitions. [2024-11-13 14:19:05,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 258 transitions, 665 flow [2024-11-13 14:19:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-11-13 14:19:05,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9153094462540716 [2024-11-13 14:19:05,808 INFO L175 Difference]: Start difference. First operand has 261 places, 257 transitions, 592 flow. Second operand 3 states and 843 transitions. [2024-11-13 14:19:05,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 258 transitions, 665 flow [2024-11-13 14:19:05,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 258 transitions, 665 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:19:05,832 INFO L231 Difference]: Finished difference. Result has 257 places, 241 transitions, 576 flow [2024-11-13 14:19:05,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=257, PETRI_TRANSITIONS=241} [2024-11-13 14:19:05,836 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -27 predicate places. [2024-11-13 14:19:05,836 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 241 transitions, 576 flow [2024-11-13 14:19:05,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-13 14:19:05,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:05,837 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:05,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:19:05,837 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:05,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 191865935, now seen corresponding path program 1 times [2024-11-13 14:19:05,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:05,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651896409] [2024-11-13 14:19:05,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:05,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:05,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:05,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651896409] [2024-11-13 14:19:05,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651896409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:05,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:05,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033549980] [2024-11-13 14:19:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:05,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:05,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:05,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 307 [2024-11-13 14:19:05,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 241 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-13 14:19:05,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:05,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 307 [2024-11-13 14:19:05,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:07,240 INFO L124 PetriNetUnfolderBase]: 746/5762 cut-off events. [2024-11-13 14:19:07,240 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2024-11-13 14:19:07,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7755 conditions, 5762 events. 746/5762 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 65029 event pairs, 276 based on Foata normal form. 0/5094 useless extension candidates. Maximal degree in co-relation 5800. Up to 1027 conditions per place. [2024-11-13 14:19:07,339 INFO L140 encePairwiseOnDemand]: 299/307 looper letters, 19 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2024-11-13 14:19:07,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 244 transitions, 631 flow [2024-11-13 14:19:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 864 transitions. [2024-11-13 14:19:07,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381107491856677 [2024-11-13 14:19:07,343 INFO L175 Difference]: Start difference. First operand has 257 places, 241 transitions, 576 flow. Second operand 3 states and 864 transitions. [2024-11-13 14:19:07,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 244 transitions, 631 flow [2024-11-13 14:19:07,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:07,363 INFO L231 Difference]: Finished difference. Result has 245 places, 241 transitions, 591 flow [2024-11-13 14:19:07,364 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=245, PETRI_TRANSITIONS=241} [2024-11-13 14:19:07,365 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -39 predicate places. [2024-11-13 14:19:07,365 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 241 transitions, 591 flow [2024-11-13 14:19:07,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-13 14:19:07,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:07,370 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:07,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:19:07,370 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:07,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:07,371 INFO L85 PathProgramCache]: Analyzing trace with hash -35716550, now seen corresponding path program 1 times [2024-11-13 14:19:07,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:07,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199533779] [2024-11-13 14:19:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:07,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:07,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:07,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199533779] [2024-11-13 14:19:07,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199533779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:07,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:07,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:07,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165450293] [2024-11-13 14:19:07,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:07,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:07,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:07,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:07,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-13 14:19:07,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 241 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-11-13 14:19:07,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:07,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-13 14:19:07,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:08,163 INFO L124 PetriNetUnfolderBase]: 230/1820 cut-off events. [2024-11-13 14:19:08,164 INFO L125 PetriNetUnfolderBase]: For 47/59 co-relation queries the response was YES. [2024-11-13 14:19:08,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2630 conditions, 1820 events. 230/1820 cut-off events. For 47/59 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 15387 event pairs, 91 based on Foata normal form. 0/1631 useless extension candidates. Maximal degree in co-relation 1755. Up to 213 conditions per place. [2024-11-13 14:19:08,207 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 22 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2024-11-13 14:19:08,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 646 flow [2024-11-13 14:19:08,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-13 14:19:08,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-13 14:19:08,211 INFO L175 Difference]: Start difference. First operand has 245 places, 241 transitions, 591 flow. Second operand 3 states and 855 transitions. [2024-11-13 14:19:08,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 646 flow [2024-11-13 14:19:08,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 243 transitions, 646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:19:08,221 INFO L231 Difference]: Finished difference. Result has 246 places, 240 transitions, 593 flow [2024-11-13 14:19:08,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=246, PETRI_TRANSITIONS=240} [2024-11-13 14:19:08,222 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -38 predicate places. [2024-11-13 14:19:08,223 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 240 transitions, 593 flow [2024-11-13 14:19:08,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-11-13 14:19:08,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:08,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:08,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:19:08,224 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:08,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1330058738, now seen corresponding path program 1 times [2024-11-13 14:19:08,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:08,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493498395] [2024-11-13 14:19:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:08,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:08,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:08,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493498395] [2024-11-13 14:19:08,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493498395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:08,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:08,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:08,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432122483] [2024-11-13 14:19:08,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:08,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:08,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:08,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:08,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:08,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-13 14:19:08,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 240 transitions, 593 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-13 14:19:08,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:08,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-13 14:19:08,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:08,931 INFO L124 PetriNetUnfolderBase]: 377/2292 cut-off events. [2024-11-13 14:19:08,931 INFO L125 PetriNetUnfolderBase]: For 171/179 co-relation queries the response was YES. [2024-11-13 14:19:08,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 2292 events. 377/2292 cut-off events. For 171/179 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 20660 event pairs, 184 based on Foata normal form. 0/2081 useless extension candidates. Maximal degree in co-relation 3418. Up to 454 conditions per place. [2024-11-13 14:19:08,979 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2024-11-13 14:19:08,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 242 transitions, 646 flow [2024-11-13 14:19:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-13 14:19:08,983 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-13 14:19:08,983 INFO L175 Difference]: Start difference. First operand has 246 places, 240 transitions, 593 flow. Second operand 3 states and 857 transitions. [2024-11-13 14:19:08,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 242 transitions, 646 flow [2024-11-13 14:19:08,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 242 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:08,990 INFO L231 Difference]: Finished difference. Result has 245 places, 239 transitions, 591 flow [2024-11-13 14:19:08,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=245, PETRI_TRANSITIONS=239} [2024-11-13 14:19:08,991 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -39 predicate places. [2024-11-13 14:19:08,991 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 239 transitions, 591 flow [2024-11-13 14:19:08,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-13 14:19:08,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:08,992 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:08,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:19:08,992 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:08,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1484122437, now seen corresponding path program 1 times [2024-11-13 14:19:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:08,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047177993] [2024-11-13 14:19:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:08,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:09,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:09,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047177993] [2024-11-13 14:19:09,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047177993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:09,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:09,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:09,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090801170] [2024-11-13 14:19:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:09,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:09,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:09,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-13 14:19:09,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 239 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2024-11-13 14:19:09,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:09,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-13 14:19:09,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:09,534 INFO L124 PetriNetUnfolderBase]: 230/1796 cut-off events. [2024-11-13 14:19:09,534 INFO L125 PetriNetUnfolderBase]: For 59/68 co-relation queries the response was YES. [2024-11-13 14:19:09,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2631 conditions, 1796 events. 230/1796 cut-off events. For 59/68 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 15168 event pairs, 91 based on Foata normal form. 0/1631 useless extension candidates. Maximal degree in co-relation 2319. Up to 213 conditions per place. [2024-11-13 14:19:09,568 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 22 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2024-11-13 14:19:09,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 241 transitions, 646 flow [2024-11-13 14:19:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-13 14:19:09,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-13 14:19:09,572 INFO L175 Difference]: Start difference. First operand has 245 places, 239 transitions, 591 flow. Second operand 3 states and 855 transitions. [2024-11-13 14:19:09,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 241 transitions, 646 flow [2024-11-13 14:19:09,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 241 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:09,580 INFO L231 Difference]: Finished difference. Result has 244 places, 238 transitions, 589 flow [2024-11-13 14:19:09,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=589, PETRI_PLACES=244, PETRI_TRANSITIONS=238} [2024-11-13 14:19:09,582 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -40 predicate places. [2024-11-13 14:19:09,583 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 238 transitions, 589 flow [2024-11-13 14:19:09,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2024-11-13 14:19:09,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:09,584 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:09,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:19:09,584 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:09,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash -654553262, now seen corresponding path program 1 times [2024-11-13 14:19:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:09,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924190880] [2024-11-13 14:19:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:09,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:09,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:09,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924190880] [2024-11-13 14:19:09,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924190880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:09,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:09,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:09,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323678676] [2024-11-13 14:19:09,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:09,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:09,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:09,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:09,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:09,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-13 14:19:09,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 238 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-13 14:19:09,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:09,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-13 14:19:09,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:10,181 INFO L124 PetriNetUnfolderBase]: 267/1785 cut-off events. [2024-11-13 14:19:10,181 INFO L125 PetriNetUnfolderBase]: For 151/154 co-relation queries the response was YES. [2024-11-13 14:19:10,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 1785 events. 267/1785 cut-off events. For 151/154 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 14574 event pairs, 119 based on Foata normal form. 0/1629 useless extension candidates. Maximal degree in co-relation 2624. Up to 336 conditions per place. [2024-11-13 14:19:10,210 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 23 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2024-11-13 14:19:10,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 240 transitions, 646 flow [2024-11-13 14:19:10,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-13 14:19:10,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-13 14:19:10,214 INFO L175 Difference]: Start difference. First operand has 244 places, 238 transitions, 589 flow. Second operand 3 states and 855 transitions. [2024-11-13 14:19:10,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 240 transitions, 646 flow [2024-11-13 14:19:10,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 240 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:10,221 INFO L231 Difference]: Finished difference. Result has 243 places, 237 transitions, 587 flow [2024-11-13 14:19:10,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=243, PETRI_TRANSITIONS=237} [2024-11-13 14:19:10,224 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -41 predicate places. [2024-11-13 14:19:10,224 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 237 transitions, 587 flow [2024-11-13 14:19:10,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-13 14:19:10,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:10,226 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:10,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:19:10,226 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:10,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash -807752821, now seen corresponding path program 1 times [2024-11-13 14:19:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702749954] [2024-11-13 14:19:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:10,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702749954] [2024-11-13 14:19:10,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702749954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:10,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:10,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:10,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814462826] [2024-11-13 14:19:10,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:10,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:10,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:10,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:10,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:10,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-13 14:19:10,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 237 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-13 14:19:10,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:10,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-13 14:19:10,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:10,990 INFO L124 PetriNetUnfolderBase]: 389/2318 cut-off events. [2024-11-13 14:19:10,990 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2024-11-13 14:19:11,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3621 conditions, 2318 events. 389/2318 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 20536 event pairs, 184 based on Foata normal form. 0/2150 useless extension candidates. Maximal degree in co-relation 3244. Up to 454 conditions per place. [2024-11-13 14:19:11,033 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2024-11-13 14:19:11,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 239 transitions, 640 flow [2024-11-13 14:19:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-13 14:19:11,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-13 14:19:11,038 INFO L175 Difference]: Start difference. First operand has 243 places, 237 transitions, 587 flow. Second operand 3 states and 857 transitions. [2024-11-13 14:19:11,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 239 transitions, 640 flow [2024-11-13 14:19:11,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 239 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:11,049 INFO L231 Difference]: Finished difference. Result has 242 places, 236 transitions, 585 flow [2024-11-13 14:19:11,049 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=585, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2024-11-13 14:19:11,050 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -42 predicate places. [2024-11-13 14:19:11,050 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 585 flow [2024-11-13 14:19:11,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-13 14:19:11,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:11,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:11,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:19:11,053 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:11,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash 590076743, now seen corresponding path program 1 times [2024-11-13 14:19:11,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:11,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314153822] [2024-11-13 14:19:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:11,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314153822] [2024-11-13 14:19:11,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314153822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:11,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:11,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:11,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521553562] [2024-11-13 14:19:11,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:11,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:11,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:11,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:11,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:11,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-13 14:19:11,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 585 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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) [2024-11-13 14:19:11,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:11,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-13 14:19:11,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:11,619 INFO L124 PetriNetUnfolderBase]: 160/1386 cut-off events. [2024-11-13 14:19:11,619 INFO L125 PetriNetUnfolderBase]: For 112/119 co-relation queries the response was YES. [2024-11-13 14:19:11,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1386 events. 160/1386 cut-off events. For 112/119 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 10289 event pairs, 54 based on Foata normal form. 1/1280 useless extension candidates. Maximal degree in co-relation 1819. Up to 172 conditions per place. [2024-11-13 14:19:11,647 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-11-13 14:19:11,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 238 transitions, 638 flow [2024-11-13 14:19:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-13 14:19:11,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-13 14:19:11,654 INFO L175 Difference]: Start difference. First operand has 242 places, 236 transitions, 585 flow. Second operand 3 states and 857 transitions. [2024-11-13 14:19:11,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 238 transitions, 638 flow [2024-11-13 14:19:11,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 238 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:11,662 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 583 flow [2024-11-13 14:19:11,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2024-11-13 14:19:11,664 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -43 predicate places. [2024-11-13 14:19:11,665 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 583 flow [2024-11-13 14:19:11,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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) [2024-11-13 14:19:11,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:11,666 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:11,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:19:11,666 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:11,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1161814251, now seen corresponding path program 1 times [2024-11-13 14:19:11,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:11,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788933303] [2024-11-13 14:19:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:11,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:11,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:11,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788933303] [2024-11-13 14:19:11,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788933303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:11,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:11,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:11,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355041951] [2024-11-13 14:19:11,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:11,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:11,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:11,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:11,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-13 14:19:11,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-13 14:19:11,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:11,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-13 14:19:11,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:12,349 INFO L124 PetriNetUnfolderBase]: 267/1728 cut-off events. [2024-11-13 14:19:12,350 INFO L125 PetriNetUnfolderBase]: For 153/156 co-relation queries the response was YES. [2024-11-13 14:19:12,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 1728 events. 267/1728 cut-off events. For 153/156 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 13843 event pairs, 119 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2446. Up to 336 conditions per place. [2024-11-13 14:19:12,377 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 23 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2024-11-13 14:19:12,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 237 transitions, 640 flow [2024-11-13 14:19:12,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-13 14:19:12,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-13 14:19:12,382 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 583 flow. Second operand 3 states and 855 transitions. [2024-11-13 14:19:12,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 237 transitions, 640 flow [2024-11-13 14:19:12,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 237 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:12,390 INFO L231 Difference]: Finished difference. Result has 240 places, 234 transitions, 581 flow [2024-11-13 14:19:12,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=240, PETRI_TRANSITIONS=234} [2024-11-13 14:19:12,391 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -44 predicate places. [2024-11-13 14:19:12,391 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 234 transitions, 581 flow [2024-11-13 14:19:12,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-13 14:19:12,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:12,392 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:12,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:19:12,393 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 14:19:12,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -808786246, now seen corresponding path program 1 times [2024-11-13 14:19:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:12,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937496098] [2024-11-13 14:19:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:12,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:12,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937496098] [2024-11-13 14:19:12,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937496098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:12,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:12,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:12,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759001578] [2024-11-13 14:19:12,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:12,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:12,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:12,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:12,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:12,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-13 14:19:12,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 234 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2024-11-13 14:19:12,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:12,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-13 14:19:12,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:12,904 INFO L124 PetriNetUnfolderBase]: 160/1364 cut-off events. [2024-11-13 14:19:12,904 INFO L125 PetriNetUnfolderBase]: For 112/116 co-relation queries the response was YES. [2024-11-13 14:19:12,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1955 conditions, 1364 events. 160/1364 cut-off events. For 112/116 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10022 event pairs, 54 based on Foata normal form. 0/1279 useless extension candidates. Maximal degree in co-relation 1807. Up to 172 conditions per place. [2024-11-13 14:19:12,918 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 0 selfloop transitions, 0 changer transitions 236/236 dead transitions. [2024-11-13 14:19:12,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 236 transitions, 634 flow [2024-11-13 14:19:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-13 14:19:12,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-13 14:19:12,922 INFO L175 Difference]: Start difference. First operand has 240 places, 234 transitions, 581 flow. Second operand 3 states and 857 transitions. [2024-11-13 14:19:12,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 236 transitions, 634 flow [2024-11-13 14:19:12,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 236 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:12,926 INFO L231 Difference]: Finished difference. Result has 239 places, 0 transitions, 0 flow [2024-11-13 14:19:12,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=239, PETRI_TRANSITIONS=0} [2024-11-13 14:19:12,927 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -45 predicate places. [2024-11-13 14:19:12,928 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 0 transitions, 0 flow [2024-11-13 14:19:12,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2024-11-13 14:19:12,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2024-11-13 14:19:12,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2024-11-13 14:19:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2024-11-13 14:19:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2024-11-13 14:19:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2024-11-13 14:19:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2024-11-13 14:19:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2024-11-13 14:19:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2024-11-13 14:19:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2024-11-13 14:19:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2024-11-13 14:19:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2024-11-13 14:19:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2024-11-13 14:19:12,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2024-11-13 14:19:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2024-11-13 14:19:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2024-11-13 14:19:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2024-11-13 14:19:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2024-11-13 14:19:12,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2024-11-13 14:19:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:19:12,944 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:12,953 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:19:12,953 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:19:12,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:19:12 BasicIcfg [2024-11-13 14:19:12,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:19:12,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:19:12,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:19:12,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:19:12,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:00" (3/4) ... [2024-11-13 14:19:12,966 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:19:12,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 14:19:12,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 14:19:12,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 14:19:12,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-13 14:19:12,977 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 14:19:12,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:19:12,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 14:19:12,978 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:19:13,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:19:13,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:19:13,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:19:13,099 INFO L158 Benchmark]: Toolchain (without parser) took 14191.23ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 92.8MB in the beginning and 434.8MB in the end (delta: -342.0MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,099 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:13,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.54ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,100 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:13,100 INFO L158 Benchmark]: RCFGBuilder took 1125.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 56.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,101 INFO L158 Benchmark]: TraceAbstraction took 12394.61ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 55.8MB in the beginning and 439.0MB in the end (delta: -383.2MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,101 INFO L158 Benchmark]: Witness Printer took 135.52ms. Allocated memory is still 545.3MB. Free memory was 439.0MB in the beginning and 434.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:13,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.54ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1125.20ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 56.4MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12394.61ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 55.8MB in the beginning and 439.0MB in the end (delta: -383.2MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. * Witness Printer took 135.52ms. Allocated memory is still 545.3MB. Free memory was 439.0MB in the beginning and 434.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 438 locations, 83 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.1s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1140 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1171 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 228 mSDtfsCounter, 1171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=593occurred in iteration=12, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1364 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:19:13,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0b323a9-3a41-4d50-8a77-78b57af975dd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE