./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC --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 8d85985769788fe03edac99b0e2515850ec4c864737a042b27bc3e336515bcde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:35:17,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:35:17,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:35:17,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:35:17,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:35:17,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:35:17,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:35:17,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:35:17,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:35:17,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:35:17,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:35:17,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:35:17,282 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:35:17,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:35:17,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:35:17,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:35:17,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:35:17,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:35:17,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:35:17,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:35:17,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:35:17,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:35:17,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:35:17,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:35:17,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:17,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:17,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:35:17,286 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:35:17,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:35:17,287 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_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC 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 -> 8d85985769788fe03edac99b0e2515850ec4c864737a042b27bc3e336515bcde [2024-11-23 23:35:17,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:35:17,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:35:17,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:35:17,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:35:17,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:35:17,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-23 23:35:21,226 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/data/63e72db17/ce85d3c5ae994caea812720b326fed09/FLAG54b035080 [2024-11-23 23:35:21,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:35:21,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-23 23:35:21,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/data/63e72db17/ce85d3c5ae994caea812720b326fed09/FLAG54b035080 [2024-11-23 23:35:21,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/data/63e72db17/ce85d3c5ae994caea812720b326fed09 [2024-11-23 23:35:21,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:35:21,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:35:21,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:21,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:35:21,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:35:21,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e2d8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:21, skipping insertion in model container [2024-11-23 23:35:21,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:21" (1/1) ... [2024-11-23 23:35:21,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:35:22,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:22,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:35:22,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:35:22,680 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:35:22,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22 WrapperNode [2024-11-23 23:35:22,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:35:22,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:22,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:35:22,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:35:22,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,752 INFO L138 Inliner]: procedures = 261, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-23 23:35:22,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:35:22,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:35:22,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:35:22,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:35:22,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:35:22,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:35:22,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:35:22,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:35:22,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (1/1) ... [2024-11-23 23:35:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:35:22,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:22,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:35:22,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:35:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-23 23:35:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-23 23:35:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 23:35:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 23:35:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:35:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:35:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:35:22,896 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:35:23,096 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:35:23,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:35:23,337 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:35:23,337 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:35:23,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:35:23,384 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:35:23,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:23 BoogieIcfgContainer [2024-11-23 23:35:23,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:35:23,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:35:23,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:35:23,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:35:23,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:35:21" (1/3) ... [2024-11-23 23:35:23,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e62fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:23, skipping insertion in model container [2024-11-23 23:35:23,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:22" (2/3) ... [2024-11-23 23:35:23,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e62fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:23, skipping insertion in model container [2024-11-23 23:35:23,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:23" (3/3) ... [2024-11-23 23:35:23,401 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2024-11-23 23:35:23,421 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:35:23,423 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_44-malloc_sound.i that has 2 procedures, 89 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2024-11-23 23:35:23,423 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:35:23,535 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 23:35:23,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 92 transitions, 188 flow [2024-11-23 23:35:23,695 INFO L124 PetriNetUnfolderBase]: 4/91 cut-off events. [2024-11-23 23:35:23,699 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:23,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 4/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 162 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-11-23 23:35:23,705 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 92 transitions, 188 flow [2024-11-23 23:35:23,711 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 185 flow [2024-11-23 23:35:23,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:35:23,740 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;@4f9eef37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:35:23,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-23 23:35:23,751 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:35:23,751 INFO L124 PetriNetUnfolderBase]: 1/33 cut-off events. [2024-11-23 23:35:23,751 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:23,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:23,752 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:23,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:23,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1848164817, now seen corresponding path program 1 times [2024-11-23 23:35:23,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:23,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258404173] [2024-11-23 23:35:23,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:23,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:23,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258404173] [2024-11-23 23:35:23,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258404173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:23,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:23,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:35:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581926535] [2024-11-23 23:35:23,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:24,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:24,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:24,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:24,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:35:24,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2024-11-23 23:35:24,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2024-11-23 23:35:24,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:24,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2024-11-23 23:35:24,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:24,186 INFO L124 PetriNetUnfolderBase]: 9/165 cut-off events. [2024-11-23 23:35:24,186 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 23:35:24,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 165 events. 9/165 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 387 event pairs, 6 based on Foata normal form. 3/148 useless extension candidates. Maximal degree in co-relation 134. Up to 26 conditions per place. [2024-11-23 23:35:24,189 INFO L140 encePairwiseOnDemand]: 86/92 looper letters, 12 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2024-11-23 23:35:24,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 213 flow [2024-11-23 23:35:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-11-23 23:35:24,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-23 23:35:24,206 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 185 flow. Second operand 3 states and 253 transitions. [2024-11-23 23:35:24,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 213 flow [2024-11-23 23:35:24,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 91 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:24,216 INFO L231 Difference]: Finished difference. Result has 93 places, 91 transitions, 198 flow [2024-11-23 23:35:24,218 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=93, PETRI_TRANSITIONS=91} [2024-11-23 23:35:24,222 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2024-11-23 23:35:24,223 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 91 transitions, 198 flow [2024-11-23 23:35:24,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2024-11-23 23:35:24,223 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:24,223 INFO L206 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] [2024-11-23 23:35:24,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:35:24,224 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:24,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash 109722466, now seen corresponding path program 1 times [2024-11-23 23:35:24,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:24,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072323621] [2024-11-23 23:35:24,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:24,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:24,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072323621] [2024-11-23 23:35:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072323621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:24,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107019955] [2024-11-23 23:35:24,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:24,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:24,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:24,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:24,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:35:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:24,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:24,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:35:24,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:24,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107019955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:24,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:24,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:24,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110200143] [2024-11-23 23:35:24,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:24,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:24,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:24,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:24,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:24,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 92 [2024-11-23 23:35:24,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:24,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:24,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 92 [2024-11-23 23:35:24,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:24,647 INFO L124 PetriNetUnfolderBase]: 15/151 cut-off events. [2024-11-23 23:35:24,649 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 23:35:24,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 151 events. 15/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 418 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 170. Up to 30 conditions per place. [2024-11-23 23:35:24,651 INFO L140 encePairwiseOnDemand]: 89/92 looper letters, 11 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2024-11-23 23:35:24,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 222 flow [2024-11-23 23:35:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2024-11-23 23:35:24,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094202898550725 [2024-11-23 23:35:24,655 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 198 flow. Second operand 3 states and 251 transitions. [2024-11-23 23:35:24,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 222 flow [2024-11-23 23:35:24,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 91 transitions, 220 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:24,661 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 194 flow [2024-11-23 23:35:24,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-11-23 23:35:24,663 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 1 predicate places. [2024-11-23 23:35:24,664 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 194 flow [2024-11-23 23:35:24,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:24,665 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:24,665 INFO L206 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] [2024-11-23 23:35:24,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:24,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:24,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:24,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:24,867 INFO L85 PathProgramCache]: Analyzing trace with hash -895687380, now seen corresponding path program 1 times [2024-11-23 23:35:24,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:24,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165643318] [2024-11-23 23:35:24,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:25,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:25,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165643318] [2024-11-23 23:35:25,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165643318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:25,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849943007] [2024-11-23 23:35:25,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:25,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:25,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:35:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:25,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:25,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:35:25,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:25,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849943007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:25,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:25,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:25,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615729342] [2024-11-23 23:35:25,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:25,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:25,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:25,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:25,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:25,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 92 [2024-11-23 23:35:25,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:25,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:25,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 92 [2024-11-23 23:35:25,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:25,333 INFO L124 PetriNetUnfolderBase]: 15/153 cut-off events. [2024-11-23 23:35:25,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:25,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 153 events. 15/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 421 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 145. Up to 30 conditions per place. [2024-11-23 23:35:25,335 INFO L140 encePairwiseOnDemand]: 89/92 looper letters, 11 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2024-11-23 23:35:25,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 89 transitions, 218 flow [2024-11-23 23:35:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2024-11-23 23:35:25,338 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094202898550725 [2024-11-23 23:35:25,338 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 194 flow. Second operand 3 states and 251 transitions. [2024-11-23 23:35:25,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 89 transitions, 218 flow [2024-11-23 23:35:25,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 89 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:25,342 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 191 flow [2024-11-23 23:35:25,342 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2024-11-23 23:35:25,343 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2024-11-23 23:35:25,343 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 191 flow [2024-11-23 23:35:25,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:25,344 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:25,344 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:25,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:35:25,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:25,548 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:25,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1340306525, now seen corresponding path program 1 times [2024-11-23 23:35:25,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:25,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989781199] [2024-11-23 23:35:25,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:25,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:25,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989781199] [2024-11-23 23:35:25,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989781199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:25,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269038616] [2024-11-23 23:35:25,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:25,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:25,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:25,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:25,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:35:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:25,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:25,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:35:25,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:25,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269038616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:25,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:25,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:25,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736096308] [2024-11-23 23:35:25,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:25,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:25,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:25,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:25,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:25,915 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2024-11-23 23:35:25,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:25,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:25,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2024-11-23 23:35:25,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:25,996 INFO L124 PetriNetUnfolderBase]: 18/201 cut-off events. [2024-11-23 23:35:25,997 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-23 23:35:25,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 201 events. 18/201 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 673 event pairs, 10 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 146. Up to 35 conditions per place. [2024-11-23 23:35:25,999 INFO L140 encePairwiseOnDemand]: 88/92 looper letters, 14 selfloop transitions, 3 changer transitions 0/91 dead transitions. [2024-11-23 23:35:25,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 91 transitions, 237 flow [2024-11-23 23:35:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2024-11-23 23:35:26,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130434782608695 [2024-11-23 23:35:26,002 INFO L175 Difference]: Start difference. First operand has 91 places, 87 transitions, 191 flow. Second operand 3 states and 252 transitions. [2024-11-23 23:35:26,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 91 transitions, 237 flow [2024-11-23 23:35:26,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 91 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:26,005 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 206 flow [2024-11-23 23:35:26,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2024-11-23 23:35:26,007 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 1 predicate places. [2024-11-23 23:35:26,007 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 206 flow [2024-11-23 23:35:26,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:26,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:26,008 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:26,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:26,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-23 23:35:26,213 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:26,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1431972026, now seen corresponding path program 1 times [2024-11-23 23:35:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:26,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830422032] [2024-11-23 23:35:26,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:26,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:26,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830422032] [2024-11-23 23:35:26,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830422032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:26,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472703088] [2024-11-23 23:35:26,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:26,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:26,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:26,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:26,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:35:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:26,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:26,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 23:35:26,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:26,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472703088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:26,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:26,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:26,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068438647] [2024-11-23 23:35:26,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:26,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:26,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:26,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:26,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:26,582 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2024-11-23 23:35:26,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:26,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:26,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2024-11-23 23:35:26,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:26,673 INFO L124 PetriNetUnfolderBase]: 28/293 cut-off events. [2024-11-23 23:35:26,673 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:26,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 293 events. 28/293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1215 event pairs, 13 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 286. Up to 48 conditions per place. [2024-11-23 23:35:26,678 INFO L140 encePairwiseOnDemand]: 87/92 looper letters, 14 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2024-11-23 23:35:26,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 93 transitions, 255 flow [2024-11-23 23:35:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-11-23 23:35:26,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-23 23:35:26,681 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 206 flow. Second operand 3 states and 253 transitions. [2024-11-23 23:35:26,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 93 transitions, 255 flow [2024-11-23 23:35:26,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 93 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:26,684 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 226 flow [2024-11-23 23:35:26,685 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-11-23 23:35:26,686 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2024-11-23 23:35:26,686 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 226 flow [2024-11-23 23:35:26,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:26,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:26,687 INFO L206 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] [2024-11-23 23:35:26,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:26,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:26,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:26,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash -154163931, now seen corresponding path program 1 times [2024-11-23 23:35:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232562360] [2024-11-23 23:35:26,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:26,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:26,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232562360] [2024-11-23 23:35:26,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232562360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:26,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602976802] [2024-11-23 23:35:26,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:26,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:26,995 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:27,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:35:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:27,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:27,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:35:27,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602976802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:27,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:27,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:27,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94686857] [2024-11-23 23:35:27,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:27,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:27,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:27,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:27,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:27,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2024-11-23 23:35:27,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:27,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:27,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2024-11-23 23:35:27,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:27,252 INFO L124 PetriNetUnfolderBase]: 46/395 cut-off events. [2024-11-23 23:35:27,252 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:35:27,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 395 events. 46/395 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2016 event pairs, 15 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 440. Up to 56 conditions per place. [2024-11-23 23:35:27,257 INFO L140 encePairwiseOnDemand]: 84/92 looper letters, 17 selfloop transitions, 6 changer transitions 0/100 dead transitions. [2024-11-23 23:35:27,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 100 transitions, 292 flow [2024-11-23 23:35:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2024-11-23 23:35:27,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384057971014492 [2024-11-23 23:35:27,259 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 226 flow. Second operand 3 states and 259 transitions. [2024-11-23 23:35:27,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 100 transitions, 292 flow [2024-11-23 23:35:27,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 100 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:27,265 INFO L231 Difference]: Finished difference. Result has 96 places, 96 transitions, 274 flow [2024-11-23 23:35:27,266 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=96, PETRI_TRANSITIONS=96} [2024-11-23 23:35:27,267 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 5 predicate places. [2024-11-23 23:35:27,268 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 96 transitions, 274 flow [2024-11-23 23:35:27,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2024-11-23 23:35:27,269 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:27,269 INFO L206 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] [2024-11-23 23:35:27,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:27,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 23:35:27,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:27,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:27,470 INFO L85 PathProgramCache]: Analyzing trace with hash -807205058, now seen corresponding path program 1 times [2024-11-23 23:35:27,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:27,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825488352] [2024-11-23 23:35:27,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:27,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:27,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825488352] [2024-11-23 23:35:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825488352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:27,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088918507] [2024-11-23 23:35:27,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:27,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:27,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:27,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:27,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:35:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:27,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:27,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:35:27,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:27,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088918507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:27,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:27,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:27,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347487928] [2024-11-23 23:35:27,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:27,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:27,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:27,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:27,736 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 92 [2024-11-23 23:35:27,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 96 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:27,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:27,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 92 [2024-11-23 23:35:27,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:27,861 INFO L124 PetriNetUnfolderBase]: 61/460 cut-off events. [2024-11-23 23:35:27,861 INFO L125 PetriNetUnfolderBase]: For 103/108 co-relation queries the response was YES. [2024-11-23 23:35:27,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 460 events. 61/460 cut-off events. For 103/108 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2567 event pairs, 23 based on Foata normal form. 3/443 useless extension candidates. Maximal degree in co-relation 524. Up to 103 conditions per place. [2024-11-23 23:35:27,866 INFO L140 encePairwiseOnDemand]: 86/92 looper letters, 16 selfloop transitions, 7 changer transitions 2/103 dead transitions. [2024-11-23 23:35:27,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 103 transitions, 346 flow [2024-11-23 23:35:27,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-23 23:35:27,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9202898550724637 [2024-11-23 23:35:27,869 INFO L175 Difference]: Start difference. First operand has 96 places, 96 transitions, 274 flow. Second operand 3 states and 254 transitions. [2024-11-23 23:35:27,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 103 transitions, 346 flow [2024-11-23 23:35:27,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 103 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:27,877 INFO L231 Difference]: Finished difference. Result has 98 places, 100 transitions, 314 flow [2024-11-23 23:35:27,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=98, PETRI_TRANSITIONS=100} [2024-11-23 23:35:27,878 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 7 predicate places. [2024-11-23 23:35:27,878 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 314 flow [2024-11-23 23:35:27,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2024-11-23 23:35:27,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:27,882 INFO L206 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] [2024-11-23 23:35:27,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:28,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:28,083 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:28,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash -634098869, now seen corresponding path program 1 times [2024-11-23 23:35:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:28,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448849564] [2024-11-23 23:35:28,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:28,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:28,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:28,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448849564] [2024-11-23 23:35:28,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448849564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:28,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559031678] [2024-11-23 23:35:28,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:28,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:28,229 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:35:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:35:28,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:35:28,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:35:28,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559031678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:28,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:35:28,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-23 23:35:28,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578590214] [2024-11-23 23:35:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:28,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:35:28,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:28,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:35:28,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:35:28,405 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 92 [2024-11-23 23:35:28,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 100 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-11-23 23:35:28,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:28,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 92 [2024-11-23 23:35:28,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:28,533 INFO L124 PetriNetUnfolderBase]: 79/520 cut-off events. [2024-11-23 23:35:28,533 INFO L125 PetriNetUnfolderBase]: For 237/244 co-relation queries the response was YES. [2024-11-23 23:35:28,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 520 events. 79/520 cut-off events. For 237/244 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3009 event pairs, 27 based on Foata normal form. 2/504 useless extension candidates. Maximal degree in co-relation 718. Up to 128 conditions per place. [2024-11-23 23:35:28,536 INFO L140 encePairwiseOnDemand]: 86/92 looper letters, 17 selfloop transitions, 7 changer transitions 7/107 dead transitions. [2024-11-23 23:35:28,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 107 transitions, 400 flow [2024-11-23 23:35:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:35:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:35:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2024-11-23 23:35:28,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9057971014492754 [2024-11-23 23:35:28,539 INFO L175 Difference]: Start difference. First operand has 98 places, 100 transitions, 314 flow. Second operand 3 states and 250 transitions. [2024-11-23 23:35:28,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 107 transitions, 400 flow [2024-11-23 23:35:28,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 107 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:28,547 INFO L231 Difference]: Finished difference. Result has 100 places, 99 transitions, 332 flow [2024-11-23 23:35:28,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=100, PETRI_TRANSITIONS=99} [2024-11-23 23:35:28,551 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 9 predicate places. [2024-11-23 23:35:28,551 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 332 flow [2024-11-23 23:35:28,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-11-23 23:35:28,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:28,553 INFO L206 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] [2024-11-23 23:35:28,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:28,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:28,754 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:28,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1897144750, now seen corresponding path program 1 times [2024-11-23 23:35:28,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307402249] [2024-11-23 23:35:28,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:28,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307402249] [2024-11-23 23:35:28,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307402249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919697107] [2024-11-23 23:35:28,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:28,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:28,886 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:28,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:35:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:28,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:35:28,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:29,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:35:29,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919697107] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:29,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:29,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-23 23:35:29,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740359206] [2024-11-23 23:35:29,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:29,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:35:29,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:29,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:35:29,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:35:29,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 92 [2024-11-23 23:35:29,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 332 flow. Second operand has 10 states, 10 states have (on average 77.1) internal successors, (771), 10 states have internal predecessors, (771), 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) [2024-11-23 23:35:29,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:29,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 92 [2024-11-23 23:35:29,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:29,418 INFO L124 PetriNetUnfolderBase]: 40/464 cut-off events. [2024-11-23 23:35:29,419 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-11-23 23:35:29,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 464 events. 40/464 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2384 event pairs, 12 based on Foata normal form. 7/459 useless extension candidates. Maximal degree in co-relation 508. Up to 54 conditions per place. [2024-11-23 23:35:29,424 INFO L140 encePairwiseOnDemand]: 84/92 looper letters, 15 selfloop transitions, 13 changer transitions 0/110 dead transitions. [2024-11-23 23:35:29,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 110 transitions, 416 flow [2024-11-23 23:35:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:35:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-23 23:35:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 857 transitions. [2024-11-23 23:35:29,428 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8468379446640316 [2024-11-23 23:35:29,428 INFO L175 Difference]: Start difference. First operand has 100 places, 99 transitions, 332 flow. Second operand 11 states and 857 transitions. [2024-11-23 23:35:29,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 110 transitions, 416 flow [2024-11-23 23:35:29,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 110 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:35:29,435 INFO L231 Difference]: Finished difference. Result has 111 places, 108 transitions, 392 flow [2024-11-23 23:35:29,435 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=392, PETRI_PLACES=111, PETRI_TRANSITIONS=108} [2024-11-23 23:35:29,436 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 20 predicate places. [2024-11-23 23:35:29,436 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 108 transitions, 392 flow [2024-11-23 23:35:29,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 77.1) internal successors, (771), 10 states have internal predecessors, (771), 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) [2024-11-23 23:35:29,437 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:29,438 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:29,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:29,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:29,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:29,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1291576930, now seen corresponding path program 2 times [2024-11-23 23:35:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:29,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803936382] [2024-11-23 23:35:29,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:35:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:29,665 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:35:29,666 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:35:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 23:35:29,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803936382] [2024-11-23 23:35:29,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803936382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:35:29,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:35:29,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:35:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779199612] [2024-11-23 23:35:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:35:29,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:35:29,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:29,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:35:29,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:35:29,848 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 92 [2024-11-23 23:35:29,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 108 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 82.2) internal successors, (411), 5 states have internal predecessors, (411), 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) [2024-11-23 23:35:29,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:29,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 92 [2024-11-23 23:35:29,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:30,118 INFO L124 PetriNetUnfolderBase]: 57/800 cut-off events. [2024-11-23 23:35:30,119 INFO L125 PetriNetUnfolderBase]: For 215/215 co-relation queries the response was YES. [2024-11-23 23:35:30,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1406 conditions, 800 events. 57/800 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5351 event pairs, 15 based on Foata normal form. 2/782 useless extension candidates. Maximal degree in co-relation 490. Up to 74 conditions per place. [2024-11-23 23:35:30,126 INFO L140 encePairwiseOnDemand]: 84/92 looper letters, 13 selfloop transitions, 11 changer transitions 8/130 dead transitions. [2024-11-23 23:35:30,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 130 transitions, 504 flow [2024-11-23 23:35:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:35:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 23:35:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 601 transitions. [2024-11-23 23:35:30,129 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9332298136645962 [2024-11-23 23:35:30,130 INFO L175 Difference]: Start difference. First operand has 111 places, 108 transitions, 392 flow. Second operand 7 states and 601 transitions. [2024-11-23 23:35:30,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 130 transitions, 504 flow [2024-11-23 23:35:30,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 130 transitions, 492 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:30,136 INFO L231 Difference]: Finished difference. Result has 118 places, 115 transitions, 429 flow [2024-11-23 23:35:30,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=429, PETRI_PLACES=118, PETRI_TRANSITIONS=115} [2024-11-23 23:35:30,138 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 27 predicate places. [2024-11-23 23:35:30,138 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 115 transitions, 429 flow [2024-11-23 23:35:30,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.2) internal successors, (411), 5 states have internal predecessors, (411), 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) [2024-11-23 23:35:30,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:30,139 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:30,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:35:30,140 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:30,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:30,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1846642250, now seen corresponding path program 1 times [2024-11-23 23:35:30,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:30,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271219522] [2024-11-23 23:35:30,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:35:30,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271219522] [2024-11-23 23:35:30,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271219522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373864451] [2024-11-23 23:35:30,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:30,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:30,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:30,388 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:30,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:35:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:30,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:35:30,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:35:30,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:35:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373864451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:30,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:30,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-23 23:35:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805321717] [2024-11-23 23:35:30,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:30,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:35:30,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:30,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:35:30,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:35:30,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 92 [2024-11-23 23:35:30,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 115 transitions, 429 flow. Second operand has 14 states, 14 states have (on average 78.0) internal successors, (1092), 14 states have internal predecessors, (1092), 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) [2024-11-23 23:35:30,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:30,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 92 [2024-11-23 23:35:30,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:31,210 INFO L124 PetriNetUnfolderBase]: 58/761 cut-off events. [2024-11-23 23:35:31,210 INFO L125 PetriNetUnfolderBase]: For 309/315 co-relation queries the response was YES. [2024-11-23 23:35:31,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 761 events. 58/761 cut-off events. For 309/315 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4473 event pairs, 14 based on Foata normal form. 14/756 useless extension candidates. Maximal degree in co-relation 594. Up to 94 conditions per place. [2024-11-23 23:35:31,214 INFO L140 encePairwiseOnDemand]: 85/92 looper letters, 21 selfloop transitions, 20 changer transitions 0/128 dead transitions. [2024-11-23 23:35:31,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 128 transitions, 569 flow [2024-11-23 23:35:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:35:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 23:35:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1332 transitions. [2024-11-23 23:35:31,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8516624040920716 [2024-11-23 23:35:31,220 INFO L175 Difference]: Start difference. First operand has 118 places, 115 transitions, 429 flow. Second operand 17 states and 1332 transitions. [2024-11-23 23:35:31,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 128 transitions, 569 flow [2024-11-23 23:35:31,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 128 transitions, 567 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-23 23:35:31,225 INFO L231 Difference]: Finished difference. Result has 137 places, 127 transitions, 560 flow [2024-11-23 23:35:31,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=560, PETRI_PLACES=137, PETRI_TRANSITIONS=127} [2024-11-23 23:35:31,226 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 46 predicate places. [2024-11-23 23:35:31,227 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 127 transitions, 560 flow [2024-11-23 23:35:31,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 78.0) internal successors, (1092), 14 states have internal predecessors, (1092), 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) [2024-11-23 23:35:31,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:31,228 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:31,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 23:35:31,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:31,429 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:31,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:31,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1485559654, now seen corresponding path program 1 times [2024-11-23 23:35:31,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:31,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664958856] [2024-11-23 23:35:31,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:31,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:35:31,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664958856] [2024-11-23 23:35:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664958856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942803236] [2024-11-23 23:35:31,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:31,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:31,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:31,724 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:31,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 23:35:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:35:31,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:35:31,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:35:31,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-23 23:35:32,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942803236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:32,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:32,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-23 23:35:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208219976] [2024-11-23 23:35:32,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:32,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 23:35:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:32,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 23:35:32,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:35:32,251 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 92 [2024-11-23 23:35:32,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 127 transitions, 560 flow. Second operand has 15 states, 15 states have (on average 76.86666666666666) internal successors, (1153), 15 states have internal predecessors, (1153), 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) [2024-11-23 23:35:32,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:32,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 92 [2024-11-23 23:35:32,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:32,747 INFO L124 PetriNetUnfolderBase]: 64/772 cut-off events. [2024-11-23 23:35:32,748 INFO L125 PetriNetUnfolderBase]: For 549/555 co-relation queries the response was YES. [2024-11-23 23:35:32,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 772 events. 64/772 cut-off events. For 549/555 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3618 event pairs, 13 based on Foata normal form. 9/763 useless extension candidates. Maximal degree in co-relation 820. Up to 66 conditions per place. [2024-11-23 23:35:32,752 INFO L140 encePairwiseOnDemand]: 83/92 looper letters, 29 selfloop transitions, 45 changer transitions 1/158 dead transitions. [2024-11-23 23:35:32,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 158 transitions, 906 flow [2024-11-23 23:35:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 23:35:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-23 23:35:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1613 transitions. [2024-11-23 23:35:32,758 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8348861283643892 [2024-11-23 23:35:32,758 INFO L175 Difference]: Start difference. First operand has 137 places, 127 transitions, 560 flow. Second operand 21 states and 1613 transitions. [2024-11-23 23:35:32,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 158 transitions, 906 flow [2024-11-23 23:35:32,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 158 transitions, 888 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-23 23:35:32,767 INFO L231 Difference]: Finished difference. Result has 156 places, 146 transitions, 823 flow [2024-11-23 23:35:32,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=823, PETRI_PLACES=156, PETRI_TRANSITIONS=146} [2024-11-23 23:35:32,768 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 65 predicate places. [2024-11-23 23:35:32,768 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 146 transitions, 823 flow [2024-11-23 23:35:32,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 76.86666666666666) internal successors, (1153), 15 states have internal predecessors, (1153), 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) [2024-11-23 23:35:32,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:32,770 INFO L206 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:32,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 23:35:32,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:35:32,971 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:32,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:32,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1395775410, now seen corresponding path program 2 times [2024-11-23 23:35:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:32,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947910949] [2024-11-23 23:35:32,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:35:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:33,006 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:35:33,006 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:35:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 135 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:35:33,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:35:33,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947910949] [2024-11-23 23:35:33,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947910949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:35:33,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628598177] [2024-11-23 23:35:33,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:35:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:35:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:35:33,399 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:35:33,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 23:35:33,556 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:35:33,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:35:33,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:35:33,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 135 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:35:33,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:35:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 135 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:35:34,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628598177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:35:34,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:35:34,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2024-11-23 23:35:34,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921398236] [2024-11-23 23:35:34,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:35:34,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 23:35:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:35:34,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 23:35:34,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:35:34,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 92 [2024-11-23 23:35:34,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 146 transitions, 823 flow. Second operand has 17 states, 17 states have (on average 77.52941176470588) internal successors, (1318), 17 states have internal predecessors, (1318), 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) [2024-11-23 23:35:34,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:35:34,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 92 [2024-11-23 23:35:34,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:35:34,490 INFO L124 PetriNetUnfolderBase]: 37/455 cut-off events. [2024-11-23 23:35:34,490 INFO L125 PetriNetUnfolderBase]: For 499/501 co-relation queries the response was YES. [2024-11-23 23:35:34,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1144 conditions, 455 events. 37/455 cut-off events. For 499/501 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1574 event pairs, 5 based on Foata normal form. 1/447 useless extension candidates. Maximal degree in co-relation 752. Up to 53 conditions per place. [2024-11-23 23:35:34,493 INFO L140 encePairwiseOnDemand]: 85/92 looper letters, 35 selfloop transitions, 34 changer transitions 0/153 dead transitions. [2024-11-23 23:35:34,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 153 transitions, 1011 flow [2024-11-23 23:35:34,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 23:35:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-23 23:35:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1623 transitions. [2024-11-23 23:35:34,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8400621118012422 [2024-11-23 23:35:34,500 INFO L175 Difference]: Start difference. First operand has 156 places, 146 transitions, 823 flow. Second operand 21 states and 1623 transitions. [2024-11-23 23:35:34,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 153 transitions, 1011 flow [2024-11-23 23:35:34,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 153 transitions, 911 flow, removed 32 selfloop flow, removed 7 redundant places. [2024-11-23 23:35:34,510 INFO L231 Difference]: Finished difference. Result has 172 places, 146 transitions, 860 flow [2024-11-23 23:35:34,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=860, PETRI_PLACES=172, PETRI_TRANSITIONS=146} [2024-11-23 23:35:34,512 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 81 predicate places. [2024-11-23 23:35:34,512 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 146 transitions, 860 flow [2024-11-23 23:35:34,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 77.52941176470588) internal successors, (1318), 17 states have internal predecessors, (1318), 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) [2024-11-23 23:35:34,513 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:35:34,513 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:34,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 23:35:34,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 23:35:34,714 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-23 23:35:34,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:35:34,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1839972563, now seen corresponding path program 1 times [2024-11-23 23:35:34,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:35:34,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084666273] [2024-11-23 23:35:34,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:35:34,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:35:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:34,765 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:35:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:35:34,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:35:34,856 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:35:34,858 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-23 23:35:34,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-23 23:35:34,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-23 23:35:34,863 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-23 23:35:34,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-23 23:35:34,864 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-23 23:35:34,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:35:34,864 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:35:35,007 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:35:35,007 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:35:35,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:35:35 BasicIcfg [2024-11-23 23:35:35,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:35:35,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:35:35,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:35:35,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:35:35,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:23" (3/4) ... [2024-11-23 23:35:35,019 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 23:35:35,160 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 32. [2024-11-23 23:35:35,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:35:35,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:35:35,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:35:35,245 INFO L158 Benchmark]: Toolchain (without parser) took 13405.87ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 82.9MB in the beginning and 121.6MB in the end (delta: -38.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,245 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:35:35,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.61ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 56.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.80ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:35:35,246 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 53.2MB in the end (delta: 905.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,247 INFO L158 Benchmark]: RCFGBuilder took 588.95ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 39.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,247 INFO L158 Benchmark]: TraceAbstraction took 11623.62ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 38.5MB in the beginning and 136.9MB in the end (delta: -98.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,247 INFO L158 Benchmark]: Witness Printer took 227.24ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 121.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:35:35,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.61ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 56.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.80ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 53.2MB in the end (delta: 905.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 588.95ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 39.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11623.62ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 38.5MB in the beginning and 136.9MB in the end (delta: -98.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Witness Printer took 227.24ms. Allocated memory is still 176.2MB. Free memory was 136.9MB in the beginning and 121.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1009]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t *p, *q; VAL [glob=0, p={0:0}, q={0:0}] [L996] 0 pthread_t t1, t2; VAL [glob=0, p={0:0}, q={0:0}] [L997] 0 int i; VAL [glob=0, p={0:0}, q={0:0}] [L998] 0 pthread_mutex_t *a; VAL [glob=0, p={0:0}, q={0:0}] [L999] 0 i=0 VAL [glob=0, i=0, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [glob=0, i=0, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1002] COND TRUE 0 i==3 VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1003] 0 p = a VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1004] COND TRUE 0 i==7 VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1005] 0 q = a VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L999] COND TRUE 0 i < 10 VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L999] COND TRUE 0 i < 10 VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}] [L999] COND FALSE 0 !(i < 10) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}] [L1007] FCALL, FORK 0 pthread_create(&t1, 0, f, 0) VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1] [L1008] 0 pthread_mutex_lock(p) VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1] [L990] 1 pthread_mutex_lock(q) VAL [\old(x)={0:0}, glob=0, p={-5:0}, q={-9:0}, x={0:0}] [L991] 1 glob++ VAL [\old(x)={0:0}, glob=0, p={-5:0}, q={-9:0}, x={0:0}] [L1009] 0 glob++ VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1, x={0:0}] [L991] 1 glob++ VAL [\old(x)={0:0}, glob=1, p={-5:0}, q={-9:0}, x={0:0}] [L1009] 0 glob++ VAL [\old(x)={0:0}, a={-11:0}, glob=1, i=10, p={-5:0}, q={-9:0}, t1=-1, x={0:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [1009] - UnprovableResult [Line: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 992]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1008]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1003]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1007]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 15 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: 11.3s, OverallIterations: 14, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 881 IncrementalHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 102 mSDtfsCounter, 881 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1034 GetRequests, 903 SyntacticMatches, 10 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=13, InterpolantAutomatonStates: 101, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1400 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1574 ConstructedInterpolants, 0 QuantifiedInterpolants, 2823 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1509 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 28 InterpolantComputations, 9 PerfectInterpolantSequences, 1038/1596 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-23 23:35:35,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1f6e88-4323-45e5-966a-3a6a95db625d/bin/uautomizer-verify-LYvppIcaGC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)