./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.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_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/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_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/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_2a17316b-e308-4d03-9912-522e7975a645/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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:08:47,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:08:47,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:08:47,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:08:47,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:08:47,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:08:47,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:08:47,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:08:47,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:08:47,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:08:47,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:08:47,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:08:47,975 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:08:47,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:08:47,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:08:47,976 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:08:47,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:08:47,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:08:47,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:08:47,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:08:47,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:08:47,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:08:47,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:08:47,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:08:47,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:08:47,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:47,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:08:47,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:08:47,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:08:47,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:08:47,980 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_2a17316b-e308-4d03-9912-522e7975a645/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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2024-11-13 15:08:48,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:08:48,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:08:48,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:08:48,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:08:48,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:08:48,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i Unable to find full path for "g++" [2024-11-13 15:08:50,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:08:50,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:08:50,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2024-11-13 15:08:50,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/data/789ff99b2/0a77b02f6ab34b27a530a1d293561a0f/FLAGa0fcf338e [2024-11-13 15:08:50,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/data/789ff99b2/0a77b02f6ab34b27a530a1d293561a0f [2024-11-13 15:08:50,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:08:50,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:08:50,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:50,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:08:50,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:08:50,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:50" (1/1) ... [2024-11-13 15:08:50,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a203221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:50, skipping insertion in model container [2024-11-13 15:08:50,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:50" (1/1) ... [2024-11-13 15:08:50,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:08:51,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:51,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:08:51,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:51,413 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:08:51,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51 WrapperNode [2024-11-13 15:08:51,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:51,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:51,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:08:51,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:08:51,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,470 INFO L138 Inliner]: procedures = 166, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-13 15:08:51,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:51,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:08:51,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:08:51,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:08:51,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:08:51,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:08:51,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:08:51,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:08:51,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (1/1) ... [2024-11-13 15:08:51,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:51,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:08:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:08:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:08:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:08:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:08:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:08:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:08:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:08:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:08:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:08:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:08:51,590 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 15:08:51,715 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:08:51,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:08:51,908 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:08:51,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:08:51,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:08:51,943 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:08:51,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:08:51 BoogieIcfgContainer [2024-11-13 15:08:51,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:08:51,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:08:51,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:08:51,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:08:51,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:08:50" (1/3) ... [2024-11-13 15:08:51,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c918e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:08:51, skipping insertion in model container [2024-11-13 15:08:51,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:51" (2/3) ... [2024-11-13 15:08:51,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c918e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:08:51, skipping insertion in model container [2024-11-13 15:08:51,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:08:51" (3/3) ... [2024-11-13 15:08:51,954 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2024-11-13 15:08:51,971 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:08:51,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 76 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-13 15:08:51,975 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:08:52,059 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:08:52,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 163 flow [2024-11-13 15:08:52,190 INFO L124 PetriNetUnfolderBase]: 3/77 cut-off events. [2024-11-13 15:08:52,192 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:08:52,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 77 events. 3/77 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2024-11-13 15:08:52,200 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 78 transitions, 163 flow [2024-11-13 15:08:52,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 66 transitions, 135 flow [2024-11-13 15:08:52,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:08:52,229 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;@33187a6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:08:52,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 15:08:52,261 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:08:52,265 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-13 15:08:52,265 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:08:52,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:08:52,266 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] [2024-11-13 15:08:52,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-13 15:08:52,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:52,274 INFO L85 PathProgramCache]: Analyzing trace with hash 962405768, now seen corresponding path program 1 times [2024-11-13 15:08:52,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162539783] [2024-11-13 15:08:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:52,590 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 15:08:52,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:52,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162539783] [2024-11-13 15:08:52,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162539783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:08:52,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:08:52,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:08:52,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083860347] [2024-11-13 15:08:52,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:08:52,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:08:52,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:52,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:08:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:08:52,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 78 [2024-11-13 15:08:52,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 15:08:52,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:08:52,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 78 [2024-11-13 15:08:52,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:08:52,761 INFO L124 PetriNetUnfolderBase]: 11/111 cut-off events. [2024-11-13 15:08:52,763 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:08:52,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 111 events. 11/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 6 based on Foata normal form. 6/110 useless extension candidates. Maximal degree in co-relation 114. Up to 19 conditions per place. [2024-11-13 15:08:52,766 INFO L140 encePairwiseOnDemand]: 73/78 looper letters, 8 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2024-11-13 15:08:52,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 63 transitions, 149 flow [2024-11-13 15:08:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:08:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:08:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2024-11-13 15:08:52,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8760683760683761 [2024-11-13 15:08:52,784 INFO L175 Difference]: Start difference. First operand has 67 places, 66 transitions, 135 flow. Second operand 3 states and 205 transitions. [2024-11-13 15:08:52,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 63 transitions, 149 flow [2024-11-13 15:08:52,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 63 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:08:52,792 INFO L231 Difference]: Finished difference. Result has 65 places, 61 transitions, 128 flow [2024-11-13 15:08:52,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=65, PETRI_TRANSITIONS=61} [2024-11-13 15:08:52,799 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -2 predicate places. [2024-11-13 15:08:52,799 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 61 transitions, 128 flow [2024-11-13 15:08:52,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 15:08:52,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:08:52,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:52,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:08:52,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-13 15:08:52,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:52,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1453026505, now seen corresponding path program 1 times [2024-11-13 15:08:52,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:52,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913881368] [2024-11-13 15:08:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:52,879 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 15:08:52,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913881368] [2024-11-13 15:08:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913881368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:08:52,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:08:52,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:08:52,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843678711] [2024-11-13 15:08:52,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:08:52,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:08:52,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:08:52,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:08:52,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 78 [2024-11-13 15:08:52,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 61 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 15:08:52,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:08:52,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 78 [2024-11-13 15:08:52,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:08:52,953 INFO L124 PetriNetUnfolderBase]: 16/97 cut-off events. [2024-11-13 15:08:52,954 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 15:08:52,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 97 events. 16/97 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 198 event pairs, 9 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 119. Up to 30 conditions per place. [2024-11-13 15:08:52,955 INFO L140 encePairwiseOnDemand]: 75/78 looper letters, 10 selfloop transitions, 2 changer transitions 3/62 dead transitions. [2024-11-13 15:08:52,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 154 flow [2024-11-13 15:08:52,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:08:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:08:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-11-13 15:08:52,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8504273504273504 [2024-11-13 15:08:52,958 INFO L175 Difference]: Start difference. First operand has 65 places, 61 transitions, 128 flow. Second operand 3 states and 199 transitions. [2024-11-13 15:08:52,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 62 transitions, 154 flow [2024-11-13 15:08:52,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:08:52,963 INFO L231 Difference]: Finished difference. Result has 64 places, 57 transitions, 120 flow [2024-11-13 15:08:52,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=64, PETRI_TRANSITIONS=57} [2024-11-13 15:08:52,964 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -3 predicate places. [2024-11-13 15:08:52,964 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 120 flow [2024-11-13 15:08:52,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 15:08:52,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:08:52,967 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] [2024-11-13 15:08:52,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:08:52,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-13 15:08:52,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:52,968 INFO L85 PathProgramCache]: Analyzing trace with hash -840206359, now seen corresponding path program 1 times [2024-11-13 15:08:52,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:52,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861136283] [2024-11-13 15:08:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:52,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:53,074 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 15:08:53,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861136283] [2024-11-13 15:08:53,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861136283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:08:53,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:08:53,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:08:53,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805852334] [2024-11-13 15:08:53,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:08:53,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:08:53,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:53,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:08:53,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:08:53,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 78 [2024-11-13 15:08:53,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 15:08:53,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:08:53,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 78 [2024-11-13 15:08:53,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:08:53,136 INFO L124 PetriNetUnfolderBase]: 11/84 cut-off events. [2024-11-13 15:08:53,136 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 15:08:53,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 84 events. 11/84 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 8 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 100. Up to 24 conditions per place. [2024-11-13 15:08:53,137 INFO L140 encePairwiseOnDemand]: 76/78 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2024-11-13 15:08:53,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 142 flow [2024-11-13 15:08:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:08:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:08:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2024-11-13 15:08:53,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418803418803419 [2024-11-13 15:08:53,139 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 120 flow. Second operand 3 states and 197 transitions. [2024-11-13 15:08:53,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 142 flow [2024-11-13 15:08:53,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 58 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:08:53,141 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-11-13 15:08:53,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-11-13 15:08:53,142 INFO L277 CegarLoopForPetriNet]: 67 programPoint places, -7 predicate places. [2024-11-13 15:08:53,142 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-11-13 15:08:53,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 15:08:53,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-13 15:08:53,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 15:08:53,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-13 15:08:53,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 15:08:53,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 15:08:53,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 15:08:53,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 15:08:53,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:08:53,147 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:08:53,152 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:08:53,152 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:08:53,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:08:53 BasicIcfg [2024-11-13 15:08:53,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:08:53,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:08:53,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:08:53,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:08:53,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:08:51" (3/4) ... [2024-11-13 15:08:53,161 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:08:53,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 15:08:53,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:08:53,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:08:53,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:08:53,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:08:53,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:08:53,257 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:08:53,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:08:53,258 INFO L158 Benchmark]: Toolchain (without parser) took 2416.94ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 79.2MB in the end (delta: 3.2MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,258 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:08:53,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.45ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 62.8MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.66ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,259 INFO L158 Benchmark]: Boogie Preprocessor took 39.42ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 753.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:08:53,260 INFO L158 Benchmark]: RCFGBuilder took 432.53ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 47.2MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,260 INFO L158 Benchmark]: TraceAbstraction took 1211.71ms. Allocated memory is still 109.1MB. Free memory was 46.4MB in the beginning and 34.4MB in the end (delta: 12.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,261 INFO L158 Benchmark]: Witness Printer took 99.07ms. Allocated memory is still 109.1MB. Free memory was 34.4MB in the beginning and 79.2MB in the end (delta: -44.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-13 15:08:53,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.45ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 62.8MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.66ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.42ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 753.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.53ms. Allocated memory is still 109.1MB. Free memory was 60.2MB in the beginning and 47.2MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1211.71ms. Allocated memory is still 109.1MB. Free memory was 46.4MB in the beginning and 34.4MB in the end (delta: 12.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 99.07ms. Allocated memory is still 109.1MB. Free memory was 34.4MB in the beginning and 79.2MB in the end (delta: -44.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 117 locations, 7 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 73 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=135occurred in iteration=0, 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, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 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 15:08:53,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a17316b-e308-4d03-9912-522e7975a645/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