./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i --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_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/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_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/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_ec570e3e-48a9-47d1-928a-c38f546d2da2/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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:42:26,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:42:26,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:42:26,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:42:26,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:42:26,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:42:26,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:42:26,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:42:26,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:42:26,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:42:26,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:42:26,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:42:26,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:42:26,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:42:26,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:42:26,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:42:26,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:42:26,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:42:26,860 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_ec570e3e-48a9-47d1-928a-c38f546d2da2/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 -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2024-11-13 15:42:27,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:42:27,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:42:27,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:42:27,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:42:27,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:42:27,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i Unable to find full path for "g++" [2024-11-13 15:42:29,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:42:29,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:42:29,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2024-11-13 15:42:29,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/data/67c854e45/8259f30fefcd4bdd8c9986445fbbcd68/FLAG3a5d41b88 [2024-11-13 15:42:29,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/data/67c854e45/8259f30fefcd4bdd8c9986445fbbcd68 [2024-11-13 15:42:29,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:42:29,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:42:29,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:42:29,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:42:29,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:42:29,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:42:29" (1/1) ... [2024-11-13 15:42:29,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f485bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:29, skipping insertion in model container [2024-11-13 15:42:29,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:42:29" (1/1) ... [2024-11-13 15:42:29,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:42:29,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:42:29,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:42:29,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:42:30,009 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:42:30,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30 WrapperNode [2024-11-13 15:42:30,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:42:30,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:42:30,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:42:30,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:42:30,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,053 INFO L138 Inliner]: procedures = 165, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 15:42:30,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:42:30,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:42:30,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:42:30,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:42:30,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:42:30,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:42:30,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:42:30,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:42:30,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (1/1) ... [2024-11-13 15:42:30,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:42:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:30,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:42:30,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:42:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:42:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:42:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:42:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:42:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:42:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:42:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:42:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:42:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:42:30,167 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 15:42:30,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:42:30,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:42:30,448 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:42:30,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:42:30,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:42:30,467 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:42:30,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:30 BoogieIcfgContainer [2024-11-13 15:42:30,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:42:30,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:42:30,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:42:30,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:42:30,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:42:29" (1/3) ... [2024-11-13 15:42:30,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51940ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:30, skipping insertion in model container [2024-11-13 15:42:30,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:30" (2/3) ... [2024-11-13 15:42:30,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51940ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:30, skipping insertion in model container [2024-11-13 15:42:30,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:30" (3/3) ... [2024-11-13 15:42:30,479 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2024-11-13 15:42:30,495 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:42:30,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_57-singlethreaded-unlock_true.i that has 2 procedures, 65 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-13 15:42:30,497 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:42:30,572 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:42:30,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 66 transitions, 136 flow [2024-11-13 15:42:30,694 INFO L124 PetriNetUnfolderBase]: 2/65 cut-off events. [2024-11-13 15:42:30,699 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:42:30,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2024-11-13 15:42:30,709 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 66 transitions, 136 flow [2024-11-13 15:42:30,712 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 47 transitions, 97 flow [2024-11-13 15:42:30,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:42:30,738 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;@4e3f7a71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:42:30,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 15:42:30,749 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:42:30,749 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-13 15:42:30,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:42:30,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:30,750 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:30,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 15:42:30,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1403886552, now seen corresponding path program 1 times [2024-11-13 15:42:30,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:30,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391234267] [2024-11-13 15:42:30,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:30,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:31,014 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 15:42:31,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:31,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391234267] [2024-11-13 15:42:31,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391234267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:31,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:31,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:31,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503536380] [2024-11-13 15:42:31,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:31,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:42:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:31,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:42:31,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:42:31,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2024-11-13 15:42:31,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 15:42:31,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:31,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2024-11-13 15:42:31,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:42:31,126 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-13 15:42:31,126 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:42:31,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 46 events. 0/46 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-13 15:42:31,128 INFO L140 encePairwiseOnDemand]: 63/66 looper letters, 8 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2024-11-13 15:42:31,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 46 transitions, 115 flow [2024-11-13 15:42:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:42:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:42:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-11-13 15:42:31,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283 [2024-11-13 15:42:31,145 INFO L175 Difference]: Start difference. First operand has 51 places, 47 transitions, 97 flow. Second operand 3 states and 164 transitions. [2024-11-13 15:42:31,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 46 transitions, 115 flow [2024-11-13 15:42:31,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:42:31,158 INFO L231 Difference]: Finished difference. Result has 51 places, 46 transitions, 98 flow [2024-11-13 15:42:31,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=51, PETRI_TRANSITIONS=46} [2024-11-13 15:42:31,166 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 0 predicate places. [2024-11-13 15:42:31,167 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 46 transitions, 98 flow [2024-11-13 15:42:31,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 15:42:31,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:31,167 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 15:42:31,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:42:31,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 15:42:31,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:31,168 INFO L85 PathProgramCache]: Analyzing trace with hash -780215487, now seen corresponding path program 1 times [2024-11-13 15:42:31,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:31,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387697427] [2024-11-13 15:42:31,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:31,313 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 15:42:31,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:31,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387697427] [2024-11-13 15:42:31,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387697427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:31,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:31,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:31,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025149051] [2024-11-13 15:42:31,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:31,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:42:31,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:31,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:42:31,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:42:31,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2024-11-13 15:42:31,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 15:42:31,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:31,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2024-11-13 15:42:31,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:42:31,393 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-11-13 15:42:31,394 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:42:31,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 45 events. 0/45 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-13 15:42:31,394 INFO L140 encePairwiseOnDemand]: 63/66 looper letters, 8 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2024-11-13 15:42:31,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 45 transitions, 116 flow [2024-11-13 15:42:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:42:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:42:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-11-13 15:42:31,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283 [2024-11-13 15:42:31,396 INFO L175 Difference]: Start difference. First operand has 51 places, 46 transitions, 98 flow. Second operand 3 states and 164 transitions. [2024-11-13 15:42:31,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 45 transitions, 116 flow [2024-11-13 15:42:31,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:42:31,400 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 96 flow [2024-11-13 15:42:31,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2024-11-13 15:42:31,403 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2024-11-13 15:42:31,403 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 96 flow [2024-11-13 15:42:31,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 15:42:31,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:42:31,403 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] [2024-11-13 15:42:31,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:42:31,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-13 15:42:31,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:31,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1484127856, now seen corresponding path program 1 times [2024-11-13 15:42:31,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:31,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354402524] [2024-11-13 15:42:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:31,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:31,511 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 15:42:31,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354402524] [2024-11-13 15:42:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354402524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:31,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:31,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:31,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431438782] [2024-11-13 15:42:31,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:31,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:42:31,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:31,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:42:31,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:42:31,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 66 [2024-11-13 15:42:31,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 15:42:31,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:42:31,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 66 [2024-11-13 15:42:31,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:42:31,576 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-13 15:42:31,576 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:42:31,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-13 15:42:31,576 INFO L140 encePairwiseOnDemand]: 64/66 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2024-11-13 15:42:31,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 44 transitions, 106 flow [2024-11-13 15:42:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:42:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:42:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2024-11-13 15:42:31,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2024-11-13 15:42:31,581 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 96 flow. Second operand 3 states and 172 transitions. [2024-11-13 15:42:31,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 44 transitions, 106 flow [2024-11-13 15:42:31,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:42:31,582 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-13 15:42:31,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-11-13 15:42:31,586 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, -2 predicate places. [2024-11-13 15:42:31,587 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-13 15:42:31,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 15:42:31,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-13 15:42:31,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-13 15:42:31,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-13 15:42:31,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-13 15:42:31,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:42:31,593 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:42:31,600 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:42:31,600 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:42:31,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:42:31 BasicIcfg [2024-11-13 15:42:31,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:42:31,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:42:31,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:42:31,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:42:31,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:30" (3/4) ... [2024-11-13 15:42:31,611 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:42:31,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 15:42:31,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 15:42:31,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:42:31,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:42:31,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:42:31,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:42:31,708 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:42:31,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:42:31,709 INFO L158 Benchmark]: Toolchain (without parser) took 2257.67ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 59.6MB in the end (delta: 32.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-13 15:42:31,709 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:31,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.64ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 72.8MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:42:31,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.83ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:42:31,710 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 70.2MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:31,711 INFO L158 Benchmark]: RCFGBuilder took 377.16ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 58.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:42:31,711 INFO L158 Benchmark]: TraceAbstraction took 1137.88ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 64.3MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:31,711 INFO L158 Benchmark]: Witness Printer took 99.61ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 59.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:31,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.64ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 72.8MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.83ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 70.2MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.16ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 58.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1137.88ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 64.3MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.61ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 59.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: 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 3 procedures, 70 locations, 4 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 22 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=1, InterpolantAutomatonStates: 9, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:42:31,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec570e3e-48a9-47d1-928a-c38f546d2da2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE