./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.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_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/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_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/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_92164627-83a9-4877-b376-1d890c15d020/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 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:21:54,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:21:54,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:21:54,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:21:54,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:21:55,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:21:55,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:21:55,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:21:55,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:21:55,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:21:55,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:21:55,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:21:55,010 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:21:55,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:21:55,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:21:55,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:21:55,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:21:55,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:21:55,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:21:55,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:21:55,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:21:55,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:21:55,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:21:55,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:21:55,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:21:55,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:21:55,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:21:55,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:21:55,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:21:55,015 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_92164627-83a9-4877-b376-1d890c15d020/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 -> 8c7125507f231f46c946ebcd57e8b56859ee58b969eed99ccdbcf88141d9e219 [2024-11-13 14:21:55,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:21:55,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:21:55,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:21:55,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:21:55,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:21:55,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/unroll-2.wvr.c Unable to find full path for "g++" [2024-11-13 14:21:57,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:21:57,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:21:57,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/sv-benchmarks/c/weaver/unroll-2.wvr.c [2024-11-13 14:21:57,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/data/fb21ddc11/b2d05999660f47de9885dc70073bc169/FLAGf9b8bc4df [2024-11-13 14:21:57,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/data/fb21ddc11/b2d05999660f47de9885dc70073bc169 [2024-11-13 14:21:57,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:21:57,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:21:57,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:21:57,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:21:57,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:21:57,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:21:57" (1/1) ... [2024-11-13 14:21:57,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b492f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:57, skipping insertion in model container [2024-11-13 14:21:57,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:21:57" (1/1) ... [2024-11-13 14:21:57,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:21:58,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:58,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:21:58,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:21:58,321 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:21:58,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58 WrapperNode [2024-11-13 14:21:58,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:21:58,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:58,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:21:58,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:21:58,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,370 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 228 [2024-11-13 14:21:58,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:21:58,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:21:58,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:21:58,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:21:58,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:21:58,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:21:58,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:21:58,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:21:58,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (1/1) ... [2024-11-13 14:21:58,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:21:58,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:21:58,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:21:58,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:21:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:21:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 14:21:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 14:21:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 14:21:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 14:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:21:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:21:58,522 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 14:21:58,680 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:21:58,685 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:21:59,411 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:21:59,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:21:59,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:21:59,435 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 14:21:59,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:59 BoogieIcfgContainer [2024-11-13 14:21:59,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:21:59,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:21:59,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:21:59,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:21:59,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:21:57" (1/3) ... [2024-11-13 14:21:59,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:59, skipping insertion in model container [2024-11-13 14:21:59,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:21:58" (2/3) ... [2024-11-13 14:21:59,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:21:59, skipping insertion in model container [2024-11-13 14:21:59,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:59" (3/3) ... [2024-11-13 14:21:59,448 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2024-11-13 14:21:59,468 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:21:59,472 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-2.wvr.c that has 3 procedures, 288 locations, 1 initial locations, 3 loop locations, and 32 error locations. [2024-11-13 14:21:59,472 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:21:59,669 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:21:59,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 304 transitions, 622 flow [2024-11-13 14:21:59,996 INFO L124 PetriNetUnfolderBase]: 17/302 cut-off events. [2024-11-13 14:22:00,003 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:22:00,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 302 events. 17/302 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 445 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2024-11-13 14:22:00,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 294 places, 304 transitions, 622 flow [2024-11-13 14:22:00,028 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 276 places, 285 transitions, 582 flow [2024-11-13 14:22:00,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:22:00,067 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;@1cf60240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:22:00,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-11-13 14:22:00,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:22:00,080 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 14:22:00,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:22:00,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:00,081 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] [2024-11-13 14:22:00,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:00,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash -337606816, now seen corresponding path program 1 times [2024-11-13 14:22:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:00,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953165710] [2024-11-13 14:22:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:00,328 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 14:22:00,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953165710] [2024-11-13 14:22:00,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953165710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:00,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:00,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:00,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211480030] [2024-11-13 14:22:00,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:00,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:00,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:00,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:00,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-11-13 14:22:00,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 285 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:00,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:00,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-11-13 14:22:00,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:00,676 INFO L124 PetriNetUnfolderBase]: 13/382 cut-off events. [2024-11-13 14:22:00,677 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 14:22:00,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 382 events. 13/382 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 988 event pairs, 3 based on Foata normal form. 10/326 useless extension candidates. Maximal degree in co-relation 277. Up to 19 conditions per place. [2024-11-13 14:22:00,689 INFO L140 encePairwiseOnDemand]: 291/304 looper letters, 10 selfloop transitions, 2 changer transitions 4/274 dead transitions. [2024-11-13 14:22:00,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 274 transitions, 584 flow [2024-11-13 14:22:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-13 14:22:00,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9396929824561403 [2024-11-13 14:22:00,726 INFO L175 Difference]: Start difference. First operand has 276 places, 285 transitions, 582 flow. Second operand 3 states and 857 transitions. [2024-11-13 14:22:00,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 274 transitions, 584 flow [2024-11-13 14:22:00,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 274 transitions, 576 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:22:00,757 INFO L231 Difference]: Finished difference. Result has 273 places, 270 transitions, 548 flow [2024-11-13 14:22:00,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=271, 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=548, PETRI_PLACES=273, PETRI_TRANSITIONS=270} [2024-11-13 14:22:00,767 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -3 predicate places. [2024-11-13 14:22:00,770 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 270 transitions, 548 flow [2024-11-13 14:22:00,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:00,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:00,771 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] [2024-11-13 14:22:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:22:00,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:00,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:00,772 INFO L85 PathProgramCache]: Analyzing trace with hash 536409805, now seen corresponding path program 1 times [2024-11-13 14:22:00,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:00,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363599254] [2024-11-13 14:22:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:00,873 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 14:22:00,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:00,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363599254] [2024-11-13 14:22:00,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363599254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:00,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:00,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:00,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380897023] [2024-11-13 14:22:00,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:00,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:00,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:00,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 304 [2024-11-13 14:22:00,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 270 transitions, 548 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 14:22:00,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:00,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 304 [2024-11-13 14:22:00,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:01,106 INFO L124 PetriNetUnfolderBase]: 14/376 cut-off events. [2024-11-13 14:22:01,106 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 14:22:01,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 376 events. 14/376 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 890 event pairs, 5 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 380. Up to 23 conditions per place. [2024-11-13 14:22:01,114 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 12 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-11-13 14:22:01,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 269 transitions, 574 flow [2024-11-13 14:22:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-11-13 14:22:01,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243421052631579 [2024-11-13 14:22:01,120 INFO L175 Difference]: Start difference. First operand has 273 places, 270 transitions, 548 flow. Second operand 3 states and 843 transitions. [2024-11-13 14:22:01,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 269 transitions, 574 flow [2024-11-13 14:22:01,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 269 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:01,134 INFO L231 Difference]: Finished difference. Result has 268 places, 269 transitions, 546 flow [2024-11-13 14:22:01,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=268, PETRI_TRANSITIONS=269} [2024-11-13 14:22:01,139 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -8 predicate places. [2024-11-13 14:22:01,139 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 269 transitions, 546 flow [2024-11-13 14:22:01,140 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 14:22:01,140 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:01,140 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] [2024-11-13 14:22:01,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:22:01,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:01,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:01,141 INFO L85 PathProgramCache]: Analyzing trace with hash -85989714, now seen corresponding path program 1 times [2024-11-13 14:22:01,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:01,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229250929] [2024-11-13 14:22:01,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:01,209 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 14:22:01,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229250929] [2024-11-13 14:22:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229250929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:01,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:01,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89139787] [2024-11-13 14:22:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:01,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:01,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:01,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 304 [2024-11-13 14:22:01,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 269 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 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 14:22:01,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:01,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 304 [2024-11-13 14:22:01,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:01,461 INFO L124 PetriNetUnfolderBase]: 45/722 cut-off events. [2024-11-13 14:22:01,461 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-13 14:22:01,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 722 events. 45/722 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2840 event pairs, 14 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 753. Up to 57 conditions per place. [2024-11-13 14:22:01,470 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 14 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2024-11-13 14:22:01,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 264 transitions, 566 flow [2024-11-13 14:22:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 836 transitions. [2024-11-13 14:22:01,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-13 14:22:01,474 INFO L175 Difference]: Start difference. First operand has 268 places, 269 transitions, 546 flow. Second operand 3 states and 836 transitions. [2024-11-13 14:22:01,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 264 transitions, 566 flow [2024-11-13 14:22:01,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 264 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:01,510 INFO L231 Difference]: Finished difference. Result has 263 places, 264 transitions, 534 flow [2024-11-13 14:22:01,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=263, PETRI_TRANSITIONS=264} [2024-11-13 14:22:01,512 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -13 predicate places. [2024-11-13 14:22:01,512 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 264 transitions, 534 flow [2024-11-13 14:22:01,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 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 14:22:01,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:01,513 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] [2024-11-13 14:22:01,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:22:01,513 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:01,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:01,513 INFO L85 PathProgramCache]: Analyzing trace with hash 36870006, now seen corresponding path program 1 times [2024-11-13 14:22:01,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:01,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387460085] [2024-11-13 14:22:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:01,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:01,638 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 14:22:01,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:01,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387460085] [2024-11-13 14:22:01,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387460085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:01,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:01,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:01,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192294845] [2024-11-13 14:22:01,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:01,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:01,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:01,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:01,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:01,673 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-11-13 14:22:01,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 264 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:01,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:01,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-11-13 14:22:01,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:01,748 INFO L124 PetriNetUnfolderBase]: 14/368 cut-off events. [2024-11-13 14:22:01,749 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 14:22:01,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 368 events. 14/368 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 866 event pairs, 5 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 361. Up to 21 conditions per place. [2024-11-13 14:22:01,752 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 10 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2024-11-13 14:22:01,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 263 transitions, 556 flow [2024-11-13 14:22:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 847 transitions. [2024-11-13 14:22:01,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287280701754386 [2024-11-13 14:22:01,756 INFO L175 Difference]: Start difference. First operand has 263 places, 264 transitions, 534 flow. Second operand 3 states and 847 transitions. [2024-11-13 14:22:01,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 263 transitions, 556 flow [2024-11-13 14:22:01,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 263 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:22:01,763 INFO L231 Difference]: Finished difference. Result has 263 places, 263 transitions, 535 flow [2024-11-13 14:22:01,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=535, PETRI_PLACES=263, PETRI_TRANSITIONS=263} [2024-11-13 14:22:01,765 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -13 predicate places. [2024-11-13 14:22:01,765 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 263 transitions, 535 flow [2024-11-13 14:22:01,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:01,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:01,766 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] [2024-11-13 14:22:01,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:22:01,771 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:01,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1556287327, now seen corresponding path program 1 times [2024-11-13 14:22:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:01,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66742682] [2024-11-13 14:22:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:02,692 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 14:22:02,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:02,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66742682] [2024-11-13 14:22:02,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66742682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:02,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:02,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:22:02,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34937627] [2024-11-13 14:22:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:02,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:22:02,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:22:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:22:02,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 304 [2024-11-13 14:22:02,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 263 transitions, 535 flow. Second operand has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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 14:22:02,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:02,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 304 [2024-11-13 14:22:02,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:03,302 INFO L124 PetriNetUnfolderBase]: 86/894 cut-off events. [2024-11-13 14:22:03,302 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 14:22:03,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 894 events. 86/894 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4036 event pairs, 44 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 1011. Up to 136 conditions per place. [2024-11-13 14:22:03,313 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 24 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2024-11-13 14:22:03,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 262 transitions, 591 flow [2024-11-13 14:22:03,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:22:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:22:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-11-13 14:22:03,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8782894736842105 [2024-11-13 14:22:03,319 INFO L175 Difference]: Start difference. First operand has 263 places, 263 transitions, 535 flow. Second operand 6 states and 1602 transitions. [2024-11-13 14:22:03,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 262 transitions, 591 flow [2024-11-13 14:22:03,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 262 transitions, 587 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:03,325 INFO L231 Difference]: Finished difference. Result has 265 places, 262 transitions, 539 flow [2024-11-13 14:22:03,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=539, PETRI_PLACES=265, PETRI_TRANSITIONS=262} [2024-11-13 14:22:03,329 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -11 predicate places. [2024-11-13 14:22:03,329 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 262 transitions, 539 flow [2024-11-13 14:22:03,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 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 14:22:03,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:03,331 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] [2024-11-13 14:22:03,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:22:03,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:03,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash -260468791, now seen corresponding path program 1 times [2024-11-13 14:22:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:03,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953125447] [2024-11-13 14:22:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:03,401 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 14:22:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953125447] [2024-11-13 14:22:03,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953125447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:03,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:03,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539956881] [2024-11-13 14:22:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:03,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:03,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:03,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-11-13 14:22:03,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 262 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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 14:22:03,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:03,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-11-13 14:22:03,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:03,556 INFO L124 PetriNetUnfolderBase]: 28/645 cut-off events. [2024-11-13 14:22:03,556 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 14:22:03,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 645 events. 28/645 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2616 event pairs, 8 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 673. Up to 32 conditions per place. [2024-11-13 14:22:03,560 INFO L140 encePairwiseOnDemand]: 300/304 looper letters, 10 selfloop transitions, 1 changer transitions 0/259 dead transitions. [2024-11-13 14:22:03,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 259 transitions, 555 flow [2024-11-13 14:22:03,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2024-11-13 14:22:03,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9298245614035088 [2024-11-13 14:22:03,563 INFO L175 Difference]: Start difference. First operand has 265 places, 262 transitions, 539 flow. Second operand 3 states and 848 transitions. [2024-11-13 14:22:03,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 259 transitions, 555 flow [2024-11-13 14:22:03,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 259 transitions, 545 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:22:03,569 INFO L231 Difference]: Finished difference. Result has 259 places, 259 transitions, 525 flow [2024-11-13 14:22:03,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=259, PETRI_TRANSITIONS=259} [2024-11-13 14:22:03,571 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -17 predicate places. [2024-11-13 14:22:03,572 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 259 transitions, 525 flow [2024-11-13 14:22:03,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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 14:22:03,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:03,573 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] [2024-11-13 14:22:03,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:22:03,573 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:03,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:03,573 INFO L85 PathProgramCache]: Analyzing trace with hash 623614553, now seen corresponding path program 1 times [2024-11-13 14:22:03,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:03,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155554645] [2024-11-13 14:22:03,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:03,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:03,668 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 14:22:03,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:03,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155554645] [2024-11-13 14:22:03,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155554645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:03,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:03,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:03,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468294181] [2024-11-13 14:22:03,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:03,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:03,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:03,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:03,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:03,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-11-13 14:22:03,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 259 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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 14:22:03,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:03,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-11-13 14:22:03,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:03,785 INFO L124 PetriNetUnfolderBase]: 17/391 cut-off events. [2024-11-13 14:22:03,785 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:22:03,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 391 events. 17/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 788 event pairs, 1 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 397. Up to 20 conditions per place. [2024-11-13 14:22:03,789 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 11 selfloop transitions, 3 changer transitions 0/256 dead transitions. [2024-11-13 14:22:03,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 256 transitions, 548 flow [2024-11-13 14:22:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-11-13 14:22:03,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243421052631579 [2024-11-13 14:22:03,793 INFO L175 Difference]: Start difference. First operand has 259 places, 259 transitions, 525 flow. Second operand 3 states and 843 transitions. [2024-11-13 14:22:03,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 256 transitions, 548 flow [2024-11-13 14:22:03,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 256 transitions, 547 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:22:03,798 INFO L231 Difference]: Finished difference. Result has 256 places, 255 transitions, 522 flow [2024-11-13 14:22:03,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=256, PETRI_TRANSITIONS=255} [2024-11-13 14:22:03,801 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -20 predicate places. [2024-11-13 14:22:03,801 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 255 transitions, 522 flow [2024-11-13 14:22:03,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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 14:22:03,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:03,802 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] [2024-11-13 14:22:03,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:22:03,802 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:03,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2112581302, now seen corresponding path program 1 times [2024-11-13 14:22:03,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:03,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849346198] [2024-11-13 14:22:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:03,880 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 14:22:03,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:03,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849346198] [2024-11-13 14:22:03,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849346198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:03,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:03,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:03,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139710160] [2024-11-13 14:22:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:03,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:03,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:03,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 304 [2024-11-13 14:22:03,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 255 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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 14:22:03,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:03,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 304 [2024-11-13 14:22:03,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:04,007 INFO L124 PetriNetUnfolderBase]: 22/328 cut-off events. [2024-11-13 14:22:04,007 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-13 14:22:04,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 328 events. 22/328 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 829 event pairs, 2 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 350. Up to 37 conditions per place. [2024-11-13 14:22:04,010 INFO L140 encePairwiseOnDemand]: 292/304 looper letters, 14 selfloop transitions, 4 changer transitions 4/249 dead transitions. [2024-11-13 14:22:04,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 249 transitions, 551 flow [2024-11-13 14:22:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 822 transitions. [2024-11-13 14:22:04,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9013157894736842 [2024-11-13 14:22:04,014 INFO L175 Difference]: Start difference. First operand has 256 places, 255 transitions, 522 flow. Second operand 3 states and 822 transitions. [2024-11-13 14:22:04,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 249 transitions, 551 flow [2024-11-13 14:22:04,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 249 transitions, 545 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:04,024 INFO L231 Difference]: Finished difference. Result has 249 places, 244 transitions, 501 flow [2024-11-13 14:22:04,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=249, PETRI_TRANSITIONS=244} [2024-11-13 14:22:04,026 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -27 predicate places. [2024-11-13 14:22:04,027 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 244 transitions, 501 flow [2024-11-13 14:22:04,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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 14:22:04,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:04,028 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] [2024-11-13 14:22:04,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:22:04,028 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:04,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:04,028 INFO L85 PathProgramCache]: Analyzing trace with hash 215623552, now seen corresponding path program 1 times [2024-11-13 14:22:04,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:04,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822021478] [2024-11-13 14:22:04,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:04,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:04,110 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 14:22:04,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822021478] [2024-11-13 14:22:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822021478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:04,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:04,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:04,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202234074] [2024-11-13 14:22:04,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:04,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:04,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:04,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 304 [2024-11-13 14:22:04,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 244 transitions, 501 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:04,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:04,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 304 [2024-11-13 14:22:04,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:04,260 INFO L124 PetriNetUnfolderBase]: 43/659 cut-off events. [2024-11-13 14:22:04,260 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 14:22:04,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 659 events. 43/659 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2489 event pairs, 4 based on Foata normal form. 0/596 useless extension candidates. Maximal degree in co-relation 704. Up to 50 conditions per place. [2024-11-13 14:22:04,267 INFO L140 encePairwiseOnDemand]: 299/304 looper letters, 12 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2024-11-13 14:22:04,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 245 transitions, 533 flow [2024-11-13 14:22:04,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-13 14:22:04,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331140350877193 [2024-11-13 14:22:04,270 INFO L175 Difference]: Start difference. First operand has 249 places, 244 transitions, 501 flow. Second operand 3 states and 851 transitions. [2024-11-13 14:22:04,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 245 transitions, 533 flow [2024-11-13 14:22:04,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 245 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:04,278 INFO L231 Difference]: Finished difference. Result has 243 places, 243 transitions, 501 flow [2024-11-13 14:22:04,279 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=243, PETRI_TRANSITIONS=243} [2024-11-13 14:22:04,280 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -33 predicate places. [2024-11-13 14:22:04,280 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 243 transitions, 501 flow [2024-11-13 14:22:04,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 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 14:22:04,280 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:04,281 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 14:22:04,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:22:04,281 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:04,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2028856742, now seen corresponding path program 1 times [2024-11-13 14:22:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:04,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951670444] [2024-11-13 14:22:04,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:04,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:04,486 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 14:22:04,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:04,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951670444] [2024-11-13 14:22:04,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951670444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:04,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:04,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:22:04,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460762475] [2024-11-13 14:22:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:04,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:22:04,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:22:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:22:04,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 304 [2024-11-13 14:22:04,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 243 transitions, 501 flow. Second operand has 4 states, 4 states have (on average 282.25) internal successors, (1129), 4 states have internal predecessors, (1129), 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 14:22:04,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:04,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 304 [2024-11-13 14:22:04,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:04,732 INFO L124 PetriNetUnfolderBase]: 34/763 cut-off events. [2024-11-13 14:22:04,732 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:22:04,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 763 events. 34/763 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2699 event pairs, 3 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 798. Up to 18 conditions per place. [2024-11-13 14:22:04,738 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 13 selfloop transitions, 6 changer transitions 0/252 dead transitions. [2024-11-13 14:22:04,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 252 transitions, 561 flow [2024-11-13 14:22:04,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:22:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:22:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1425 transitions. [2024-11-13 14:22:04,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9375 [2024-11-13 14:22:04,743 INFO L175 Difference]: Start difference. First operand has 243 places, 243 transitions, 501 flow. Second operand 5 states and 1425 transitions. [2024-11-13 14:22:04,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 252 transitions, 561 flow [2024-11-13 14:22:04,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 252 transitions, 561 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:22:04,750 INFO L231 Difference]: Finished difference. Result has 250 places, 247 transitions, 539 flow [2024-11-13 14:22:04,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=539, PETRI_PLACES=250, PETRI_TRANSITIONS=247} [2024-11-13 14:22:04,751 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -26 predicate places. [2024-11-13 14:22:04,751 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 247 transitions, 539 flow [2024-11-13 14:22:04,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 282.25) internal successors, (1129), 4 states have internal predecessors, (1129), 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 14:22:04,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:04,752 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] [2024-11-13 14:22:04,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:22:04,752 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:04,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1358959204, now seen corresponding path program 1 times [2024-11-13 14:22:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:04,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126798876] [2024-11-13 14:22:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:05,457 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 14:22:05,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:05,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126798876] [2024-11-13 14:22:05,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126798876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:05,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:05,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:22:05,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58201935] [2024-11-13 14:22:05,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:05,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:22:05,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:05,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:22:05,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:22:05,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 304 [2024-11-13 14:22:05,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 247 transitions, 539 flow. Second operand has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 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 14:22:05,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:05,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 304 [2024-11-13 14:22:05,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:05,936 INFO L124 PetriNetUnfolderBase]: 30/583 cut-off events. [2024-11-13 14:22:05,936 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-13 14:22:05,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 583 events. 30/583 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1641 event pairs, 2 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 639. Up to 17 conditions per place. [2024-11-13 14:22:05,942 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 15 selfloop transitions, 6 changer transitions 0/250 dead transitions. [2024-11-13 14:22:05,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 250 transitions, 591 flow [2024-11-13 14:22:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:22:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:22:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1665 transitions. [2024-11-13 14:22:05,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912828947368421 [2024-11-13 14:22:05,949 INFO L175 Difference]: Start difference. First operand has 250 places, 247 transitions, 539 flow. Second operand 6 states and 1665 transitions. [2024-11-13 14:22:05,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 250 transitions, 591 flow [2024-11-13 14:22:05,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 250 transitions, 591 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:22:05,954 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 549 flow [2024-11-13 14:22:05,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-11-13 14:22:05,956 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -22 predicate places. [2024-11-13 14:22:05,957 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 549 flow [2024-11-13 14:22:05,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 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 14:22:05,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:05,958 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 14:22:05,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:22:05,959 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:05,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:05,959 INFO L85 PathProgramCache]: Analyzing trace with hash -910992020, now seen corresponding path program 1 times [2024-11-13 14:22:05,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:05,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152045193] [2024-11-13 14:22:05,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:05,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:06,135 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 14:22:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152045193] [2024-11-13 14:22:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152045193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:06,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:22:06,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819952316] [2024-11-13 14:22:06,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:22:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:06,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:22:06,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:22:06,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 304 [2024-11-13 14:22:06,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 549 flow. Second operand has 4 states, 4 states have (on average 281.5) internal successors, (1126), 4 states have internal predecessors, (1126), 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 14:22:06,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:06,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 304 [2024-11-13 14:22:06,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:06,416 INFO L124 PetriNetUnfolderBase]: 42/730 cut-off events. [2024-11-13 14:22:06,416 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-11-13 14:22:06,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 730 events. 42/730 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3027 event pairs, 6 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 818. Up to 46 conditions per place. [2024-11-13 14:22:06,422 INFO L140 encePairwiseOnDemand]: 298/304 looper letters, 13 selfloop transitions, 6 changer transitions 0/254 dead transitions. [2024-11-13 14:22:06,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 254 transitions, 606 flow [2024-11-13 14:22:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:22:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:22:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1420 transitions. [2024-11-13 14:22:06,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9342105263157895 [2024-11-13 14:22:06,427 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 549 flow. Second operand 5 states and 1420 transitions. [2024-11-13 14:22:06,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 254 transitions, 606 flow [2024-11-13 14:22:06,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 254 transitions, 594 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:22:06,433 INFO L231 Difference]: Finished difference. Result has 256 places, 250 transitions, 575 flow [2024-11-13 14:22:06,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=575, PETRI_PLACES=256, PETRI_TRANSITIONS=250} [2024-11-13 14:22:06,434 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -20 predicate places. [2024-11-13 14:22:06,434 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 250 transitions, 575 flow [2024-11-13 14:22:06,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 281.5) internal successors, (1126), 4 states have internal predecessors, (1126), 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 14:22:06,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:06,436 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, 1, 1, 1] [2024-11-13 14:22:06,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:22:06,436 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:06,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash -712439769, now seen corresponding path program 1 times [2024-11-13 14:22:06,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:06,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103460066] [2024-11-13 14:22:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:06,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:06,501 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 14:22:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103460066] [2024-11-13 14:22:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103460066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:06,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:06,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970975518] [2024-11-13 14:22:06,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:06,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:06,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:06,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:06,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:06,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 304 [2024-11-13 14:22:06,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 250 transitions, 575 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 14:22:06,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:06,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 304 [2024-11-13 14:22:06,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:06,720 INFO L124 PetriNetUnfolderBase]: 39/982 cut-off events. [2024-11-13 14:22:06,721 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-13 14:22:06,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 982 events. 39/982 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4306 event pairs, 10 based on Foata normal form. 0/908 useless extension candidates. Maximal degree in co-relation 1122. Up to 34 conditions per place. [2024-11-13 14:22:06,728 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 9 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-13 14:22:06,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 598 flow [2024-11-13 14:22:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 849 transitions. [2024-11-13 14:22:06,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.930921052631579 [2024-11-13 14:22:06,732 INFO L175 Difference]: Start difference. First operand has 256 places, 250 transitions, 575 flow. Second operand 3 states and 849 transitions. [2024-11-13 14:22:06,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 598 flow [2024-11-13 14:22:06,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 250 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:22:06,737 INFO L231 Difference]: Finished difference. Result has 257 places, 249 transitions, 577 flow [2024-11-13 14:22:06,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=257, PETRI_TRANSITIONS=249} [2024-11-13 14:22:06,738 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -19 predicate places. [2024-11-13 14:22:06,738 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 249 transitions, 577 flow [2024-11-13 14:22:06,739 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 14:22:06,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:06,740 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, 1, 1, 1, 1, 1] [2024-11-13 14:22:06,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:22:06,740 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:06,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash 420309205, now seen corresponding path program 1 times [2024-11-13 14:22:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:06,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827419153] [2024-11-13 14:22:06,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:07,356 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 14:22:07,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827419153] [2024-11-13 14:22:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827419153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:07,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:07,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:22:07,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102966086] [2024-11-13 14:22:07,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:07,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:22:07,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:22:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:22:07,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 304 [2024-11-13 14:22:07,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 249 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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 14:22:07,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:07,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 304 [2024-11-13 14:22:07,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:07,816 INFO L124 PetriNetUnfolderBase]: 54/636 cut-off events. [2024-11-13 14:22:07,816 INFO L125 PetriNetUnfolderBase]: For 55/56 co-relation queries the response was YES. [2024-11-13 14:22:07,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 636 events. 54/636 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2674 event pairs, 6 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 811. Up to 42 conditions per place. [2024-11-13 14:22:07,823 INFO L140 encePairwiseOnDemand]: 292/304 looper letters, 16 selfloop transitions, 11 changer transitions 0/251 dead transitions. [2024-11-13 14:22:07,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 251 transitions, 639 flow [2024-11-13 14:22:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:22:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:22:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1630 transitions. [2024-11-13 14:22:07,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893640350877193 [2024-11-13 14:22:07,830 INFO L175 Difference]: Start difference. First operand has 257 places, 249 transitions, 577 flow. Second operand 6 states and 1630 transitions. [2024-11-13 14:22:07,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 251 transitions, 639 flow [2024-11-13 14:22:07,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 251 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:07,838 INFO L231 Difference]: Finished difference. Result has 258 places, 247 transitions, 591 flow [2024-11-13 14:22:07,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=591, PETRI_PLACES=258, PETRI_TRANSITIONS=247} [2024-11-13 14:22:07,840 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -18 predicate places. [2024-11-13 14:22:07,840 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 247 transitions, 591 flow [2024-11-13 14:22:07,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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 14:22:07,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:07,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:22:07,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:22:07,843 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:07,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1857186856, now seen corresponding path program 1 times [2024-11-13 14:22:07,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:07,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354589209] [2024-11-13 14:22:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:07,911 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 14:22:07,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:07,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354589209] [2024-11-13 14:22:07,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354589209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:07,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:07,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:07,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971255706] [2024-11-13 14:22:07,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:07,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:07,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:07,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-11-13 14:22:07,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 247 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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 14:22:07,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:07,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-11-13 14:22:07,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:08,134 INFO L124 PetriNetUnfolderBase]: 50/715 cut-off events. [2024-11-13 14:22:08,134 INFO L125 PetriNetUnfolderBase]: For 62/63 co-relation queries the response was YES. [2024-11-13 14:22:08,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 715 events. 50/715 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2969 event pairs, 26 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 934. Up to 86 conditions per place. [2024-11-13 14:22:08,141 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 13 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2024-11-13 14:22:08,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 247 transitions, 622 flow [2024-11-13 14:22:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2024-11-13 14:22:08,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221491228070176 [2024-11-13 14:22:08,146 INFO L175 Difference]: Start difference. First operand has 258 places, 247 transitions, 591 flow. Second operand 3 states and 841 transitions. [2024-11-13 14:22:08,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 247 transitions, 622 flow [2024-11-13 14:22:08,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 247 transitions, 600 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:22:08,154 INFO L231 Difference]: Finished difference. Result has 254 places, 246 transitions, 571 flow [2024-11-13 14:22:08,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=254, PETRI_TRANSITIONS=246} [2024-11-13 14:22:08,155 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -22 predicate places. [2024-11-13 14:22:08,155 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 246 transitions, 571 flow [2024-11-13 14:22:08,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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 14:22:08,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:22:08,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:08,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:22:08,156 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-13 14:22:08,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1071175345, now seen corresponding path program 1 times [2024-11-13 14:22:08,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:08,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507324027] [2024-11-13 14:22:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:08,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:08,275 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 14:22:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507324027] [2024-11-13 14:22:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507324027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:08,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:22:08,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:22:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206498855] [2024-11-13 14:22:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:08,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:22:08,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 304 [2024-11-13 14:22:08,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 246 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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 14:22:08,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:22:08,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 304 [2024-11-13 14:22:08,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:22:08,507 INFO L124 PetriNetUnfolderBase]: 49/678 cut-off events. [2024-11-13 14:22:08,508 INFO L125 PetriNetUnfolderBase]: For 55/56 co-relation queries the response was YES. [2024-11-13 14:22:08,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 678 events. 49/678 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2763 event pairs, 26 based on Foata normal form. 0/647 useless extension candidates. Maximal degree in co-relation 837. Up to 86 conditions per place. [2024-11-13 14:22:08,513 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 0 selfloop transitions, 0 changer transitions 246/246 dead transitions. [2024-11-13 14:22:08,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 246 transitions, 602 flow [2024-11-13 14:22:08,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:22:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2024-11-13 14:22:08,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221491228070176 [2024-11-13 14:22:08,517 INFO L175 Difference]: Start difference. First operand has 254 places, 246 transitions, 571 flow. Second operand 3 states and 841 transitions. [2024-11-13 14:22:08,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 246 transitions, 602 flow [2024-11-13 14:22:08,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 246 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:22:08,522 INFO L231 Difference]: Finished difference. Result has 253 places, 0 transitions, 0 flow [2024-11-13 14:22:08,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=253, PETRI_TRANSITIONS=0} [2024-11-13 14:22:08,523 INFO L277 CegarLoopForPetriNet]: 276 programPoint places, -23 predicate places. [2024-11-13 14:22:08,523 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 0 transitions, 0 flow [2024-11-13 14:22:08,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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 14:22:08,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2024-11-13 14:22:08,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2024-11-13 14:22:08,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2024-11-13 14:22:08,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2024-11-13 14:22:08,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2024-11-13 14:22:08,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 57 remaining) [2024-11-13 14:22:08,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2024-11-13 14:22:08,532 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2024-11-13 14:22:08,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2024-11-13 14:22:08,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2024-11-13 14:22:08,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:22:08,535 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:22:08,542 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:22:08,542 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:22:08,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:22:08 BasicIcfg [2024-11-13 14:22:08,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:22:08,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:22:08,550 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:22:08,551 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:22:08,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:21:59" (3/4) ... [2024-11-13 14:22:08,554 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:22:08,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 14:22:08,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 14:22:08,564 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-13 14:22:08,564 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:22:08,564 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:22:08,565 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:22:08,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:22:08,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:22:08,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:22:08,674 INFO L158 Benchmark]: Toolchain (without parser) took 10743.73ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 91.5MB in the beginning and 142.3MB in the end (delta: -50.8MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,674 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:22:08,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.91ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 79.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.14ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,676 INFO L158 Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:22:08,676 INFO L158 Benchmark]: RCFGBuilder took 1010.80ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 51.4MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,677 INFO L158 Benchmark]: TraceAbstraction took 9111.19ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 50.8MB in the beginning and 148.7MB in the end (delta: -97.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,677 INFO L158 Benchmark]: Witness Printer took 122.05ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 142.3MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:22:08,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.91ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 79.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.14ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.51ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1010.80ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 51.4MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9111.19ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 50.8MB in the beginning and 148.7MB in the end (delta: -97.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 122.05ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 142.3MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 99]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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 5 procedures, 437 locations, 57 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: 8.8s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 828 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1027 IncrementalHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 136 mSDtfsCounter, 1027 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=14, InterpolantAutomatonStates: 61, 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, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1429 ConstructedInterpolants, 0 QuantifiedInterpolants, 2142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:22:08,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92164627-83a9-4877-b376-1d890c15d020/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE