./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.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_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/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_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/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_fc48604e-ad5f-4ae3-b956-d376e00343ce/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 df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:23:29,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:23:29,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:23:29,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:23:29,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:23:29,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:23:29,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:23:29,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:23:29,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:23:29,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:23:29,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:23:29,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:23:29,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:23:29,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:23:29,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:23:29,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:23:29,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:23:29,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:23:29,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:23:29,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:23:29,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:23:29,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:23:29,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:23:29,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:23:29,687 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_fc48604e-ad5f-4ae3-b956-d376e00343ce/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 -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2024-11-13 15:23:30,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:23:30,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:23:30,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:23:30,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:23:30,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:23:30,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i Unable to find full path for "g++" [2024-11-13 15:23:31,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:23:32,170 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:23:32,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2024-11-13 15:23:32,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/data/450c00ab9/fa6a0dd383eb4c0b959997052026451a/FLAG121208e51 [2024-11-13 15:23:32,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/data/450c00ab9/fa6a0dd383eb4c0b959997052026451a [2024-11-13 15:23:32,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:23:32,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:23:32,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:23:32,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:23:32,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:23:32,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:23:32" (1/1) ... [2024-11-13 15:23:32,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5979df1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:32, skipping insertion in model container [2024-11-13 15:23:32,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:23:32" (1/1) ... [2024-11-13 15:23:32,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:23:33,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:23:33,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:23:33,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:23:33,218 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:23:33,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33 WrapperNode [2024-11-13 15:23:33,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:23:33,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:23:33,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:23:33,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:23:33,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,270 INFO L138 Inliner]: procedures = 266, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 165 [2024-11-13 15:23:33,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:23:33,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:23:33,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:23:33,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:23:33,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:23:33,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:23:33,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:23:33,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:23:33,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (1/1) ... [2024-11-13 15:23:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:23:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:23:33,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:23:33,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:23:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:23:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:23:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:23:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:23:33,396 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 15:23:33,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 15:23:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:23:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:23:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:23:33,401 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 15:23:33,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:23:33,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:23:33,875 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:23:33,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:23:33,928 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:23:33,932 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:23:33,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:23:33 BoogieIcfgContainer [2024-11-13 15:23:33,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:23:33,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:23:33,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:23:33,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:23:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:23:32" (1/3) ... [2024-11-13 15:23:33,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c94a233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:23:33, skipping insertion in model container [2024-11-13 15:23:33,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:33" (2/3) ... [2024-11-13 15:23:33,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c94a233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:23:33, skipping insertion in model container [2024-11-13 15:23:33,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:23:33" (3/3) ... [2024-11-13 15:23:33,947 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2024-11-13 15:23:33,980 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:23:33,982 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_15-funarg_nr.i that has 2 procedures, 189 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 15:23:33,983 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:23:34,068 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:23:34,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 188 transitions, 383 flow [2024-11-13 15:23:34,231 INFO L124 PetriNetUnfolderBase]: 0/187 cut-off events. [2024-11-13 15:23:34,233 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:23:34,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 187 events. 0/187 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-13 15:23:34,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 188 transitions, 383 flow [2024-11-13 15:23:34,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 182 transitions, 367 flow [2024-11-13 15:23:34,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:23:34,264 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;@1f1c6181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:23:34,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 15:23:34,301 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:23:34,301 INFO L124 PetriNetUnfolderBase]: 0/146 cut-off events. [2024-11-13 15:23:34,301 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:23:34,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:23:34,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:34,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:23:34,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1973171523, now seen corresponding path program 1 times [2024-11-13 15:23:34,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:34,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814429297] [2024-11-13 15:23:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:34,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:34,779 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 15:23:34,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:34,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814429297] [2024-11-13 15:23:34,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814429297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:34,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:34,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:23:34,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653990927] [2024-11-13 15:23:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:34,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:34,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:34,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:34,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:34,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 188 [2024-11-13 15:23:34,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 182 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 15:23:34,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:23:34,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 188 [2024-11-13 15:23:34,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:23:35,061 INFO L124 PetriNetUnfolderBase]: 47/405 cut-off events. [2024-11-13 15:23:35,062 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:23:35,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 405 events. 47/405 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1289 event pairs, 12 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 385. Up to 82 conditions per place. [2024-11-13 15:23:35,068 INFO L140 encePairwiseOnDemand]: 179/188 looper letters, 20 selfloop transitions, 6 changer transitions 1/192 dead transitions. [2024-11-13 15:23:35,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 192 transitions, 441 flow [2024-11-13 15:23:35,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:23:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-11-13 15:23:35,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9574468085106383 [2024-11-13 15:23:35,092 INFO L175 Difference]: Start difference. First operand has 186 places, 182 transitions, 367 flow. Second operand 3 states and 540 transitions. [2024-11-13 15:23:35,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 192 transitions, 441 flow [2024-11-13 15:23:35,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 192 transitions, 440 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:23:35,108 INFO L231 Difference]: Finished difference. Result has 188 places, 186 transitions, 412 flow [2024-11-13 15:23:35,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=188, PETRI_TRANSITIONS=186} [2024-11-13 15:23:35,116 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, 2 predicate places. [2024-11-13 15:23:35,116 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 186 transitions, 412 flow [2024-11-13 15:23:35,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 15:23:35,117 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:23:35,118 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:35,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:23:35,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:23:35,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash -895259264, now seen corresponding path program 1 times [2024-11-13 15:23:35,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:35,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634904111] [2024-11-13 15:23:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:35,342 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 15:23:35,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:35,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634904111] [2024-11-13 15:23:35,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634904111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:35,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:35,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:23:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989941271] [2024-11-13 15:23:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:35,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:35,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:35,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:35,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:35,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 188 [2024-11-13 15:23:35,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 186 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 15:23:35,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:23:35,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 188 [2024-11-13 15:23:35,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:23:35,554 INFO L124 PetriNetUnfolderBase]: 73/479 cut-off events. [2024-11-13 15:23:35,554 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2024-11-13 15:23:35,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 479 events. 73/479 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1766 event pairs, 30 based on Foata normal form. 2/460 useless extension candidates. Maximal degree in co-relation 590. Up to 129 conditions per place. [2024-11-13 15:23:35,559 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 18 selfloop transitions, 5 changer transitions 5/195 dead transitions. [2024-11-13 15:23:35,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 195 transitions, 494 flow [2024-11-13 15:23:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:23:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-11-13 15:23:35,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9574468085106383 [2024-11-13 15:23:35,562 INFO L175 Difference]: Start difference. First operand has 188 places, 186 transitions, 412 flow. Second operand 3 states and 540 transitions. [2024-11-13 15:23:35,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 195 transitions, 494 flow [2024-11-13 15:23:35,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:23:35,571 INFO L231 Difference]: Finished difference. Result has 190 places, 187 transitions, 432 flow [2024-11-13 15:23:35,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=190, PETRI_TRANSITIONS=187} [2024-11-13 15:23:35,574 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, 4 predicate places. [2024-11-13 15:23:35,574 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 187 transitions, 432 flow [2024-11-13 15:23:35,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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 15:23:35,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:23:35,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:35,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:23:35,576 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 15:23:35,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:35,577 INFO L85 PathProgramCache]: Analyzing trace with hash -707950573, now seen corresponding path program 1 times [2024-11-13 15:23:35,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:35,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480369918] [2024-11-13 15:23:35,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:35,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:36,013 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 15:23:36,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:36,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480369918] [2024-11-13 15:23:36,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480369918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:36,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424947509] [2024-11-13 15:23:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:36,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:36,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:36,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:36,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 188 [2024-11-13 15:23:36,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 187 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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 15:23:36,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:23:36,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 188 [2024-11-13 15:23:36,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:23:36,117 INFO L124 PetriNetUnfolderBase]: 0/230 cut-off events. [2024-11-13 15:23:36,117 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-13 15:23:36,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 230 events. 0/230 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 156 event pairs, 0 based on Foata normal form. 4/234 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-11-13 15:23:36,118 INFO L140 encePairwiseOnDemand]: 182/188 looper letters, 0 selfloop transitions, 0 changer transitions 179/179 dead transitions. [2024-11-13 15:23:36,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 179 transitions, 404 flow [2024-11-13 15:23:36,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:23:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2024-11-13 15:23:36,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9716312056737588 [2024-11-13 15:23:36,120 INFO L175 Difference]: Start difference. First operand has 190 places, 187 transitions, 432 flow. Second operand 3 states and 548 transitions. [2024-11-13 15:23:36,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 179 transitions, 404 flow [2024-11-13 15:23:36,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 179 transitions, 386 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-13 15:23:36,124 INFO L231 Difference]: Finished difference. Result has 185 places, 0 transitions, 0 flow [2024-11-13 15:23:36,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=185, PETRI_TRANSITIONS=0} [2024-11-13 15:23:36,125 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -1 predicate places. [2024-11-13 15:23:36,125 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 0 transitions, 0 flow [2024-11-13 15:23:36,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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 15:23:36,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 15:23:36,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 15:23:36,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-13 15:23:36,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 15:23:36,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 15:23:36,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 15:23:36,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 15:23:36,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:23:36,129 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:23:36,135 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:23:36,135 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:23:36,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:23:36 BasicIcfg [2024-11-13 15:23:36,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:23:36,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:23:36,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:23:36,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:23:36,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:23:33" (3/4) ... [2024-11-13 15:23:36,145 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:23:36,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 15:23:36,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:23:36,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:23:36,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:23:36,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:23:36,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:23:36,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:23:36,244 INFO L158 Benchmark]: Toolchain (without parser) took 3826.96ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 76.6MB in the end (delta: 14.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-13 15:23:36,244 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:23:36,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.30ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 62.4MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:23:36,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 60.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:23:36,246 INFO L158 Benchmark]: Boogie Preprocessor took 49.40ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 58.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:23:36,246 INFO L158 Benchmark]: RCFGBuilder took 609.74ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 40.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:23:36,247 INFO L158 Benchmark]: TraceAbstraction took 2206.64ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 81.1MB in the end (delta: -41.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-13 15:23:36,248 INFO L158 Benchmark]: Witness Printer took 101.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 76.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:23:36,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.30ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 62.4MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 60.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.40ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 58.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 609.74ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 40.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2206.64ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 81.1MB in the end (delta: -41.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 101.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 76.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 207 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: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 29 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=2, 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, 0.8s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 450 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:23:36,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc48604e-ad5f-4ae3-b956-d376e00343ce/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