./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB --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 eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:45,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:45,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:25:45,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:45,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:45,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:45,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:45,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:45,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:45,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:45,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:45,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:45,376 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:45,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:25:45,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:45,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:45,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:45,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:45,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:45,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:45,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:45,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:45,380 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_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f [2024-11-27 20:25:45,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:45,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:45,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:45,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:45,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:45,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-11-27 20:25:48,582 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/data/923881938/72c5f10485354a4aa6f7464b3c2f257b/FLAG9ed378de3 [2024-11-27 20:25:49,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:49,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-11-27 20:25:49,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/data/923881938/72c5f10485354a4aa6f7464b3c2f257b/FLAG9ed378de3 [2024-11-27 20:25:49,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/data/923881938/72c5f10485354a4aa6f7464b3c2f257b [2024-11-27 20:25:49,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:49,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:49,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:49,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:49,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:49,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571042ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49, skipping insertion in model container [2024-11-27 20:25:49,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:49,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:49,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:25:49,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:49,601 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:25:49,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49 WrapperNode [2024-11-27 20:25:49,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:49,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:49,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:25:49,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:25:49,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,653 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-27 20:25:49,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:49,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:25:49,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:25:49,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:25:49,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:25:49,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:25:49,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:25:49,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:25:49,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (1/1) ... [2024-11-27 20:25:49,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:49,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:25:49,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:25:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 20:25:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:25:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 20:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 20:25:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:25:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 20:25:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:25:49,774 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:25:49,894 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:25:49,896 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:50,104 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:25:50,104 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:50,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:50,168 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:25:50,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:50 BoogieIcfgContainer [2024-11-27 20:25:50,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:50,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:50,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:50,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:50,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:25:49" (1/3) ... [2024-11-27 20:25:50,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506f21ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:50, skipping insertion in model container [2024-11-27 20:25:50,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:49" (2/3) ... [2024-11-27 20:25:50,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506f21ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:50, skipping insertion in model container [2024-11-27 20:25:50,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:50" (3/3) ... [2024-11-27 20:25:50,183 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-11-27 20:25:50,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:50,201 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i that has 2 procedures, 85 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-27 20:25:50,201 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:25:50,274 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:25:50,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 86 transitions, 176 flow [2024-11-27 20:25:50,383 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2024-11-27 20:25:50,388 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:25:50,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-11-27 20:25:50,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 86 transitions, 176 flow [2024-11-27 20:25:50,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 85 transitions, 173 flow [2024-11-27 20:25:50,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:50,423 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;@2afbc334, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:50,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-27 20:25:50,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:25:50,444 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-11-27 20:25:50,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:25:50,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:50,445 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] [2024-11-27 20:25:50,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 20:25:50,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:50,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2081066632, now seen corresponding path program 1 times [2024-11-27 20:25:50,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:50,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387156117] [2024-11-27 20:25:50,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:50,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:50,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387156117] [2024-11-27 20:25:50,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387156117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:50,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:50,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:50,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873423683] [2024-11-27 20:25:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:50,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:50,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:50,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:50,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:50,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 86 [2024-11-27 20:25:50,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2024-11-27 20:25:50,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:50,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 86 [2024-11-27 20:25:50,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:51,089 INFO L124 PetriNetUnfolderBase]: 79/341 cut-off events. [2024-11-27 20:25:51,093 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:25:51,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 341 events. 79/341 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1566 event pairs, 52 based on Foata normal form. 17/335 useless extension candidates. Maximal degree in co-relation 490. Up to 143 conditions per place. [2024-11-27 20:25:51,099 INFO L140 encePairwiseOnDemand]: 78/86 looper letters, 21 selfloop transitions, 5 changer transitions 2/91 dead transitions. [2024-11-27 20:25:51,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 91 transitions, 241 flow [2024-11-27 20:25:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2024-11-27 20:25:51,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8837209302325582 [2024-11-27 20:25:51,119 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 173 flow. Second operand 3 states and 228 transitions. [2024-11-27 20:25:51,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 91 transitions, 241 flow [2024-11-27 20:25:51,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 91 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:25:51,133 INFO L231 Difference]: Finished difference. Result has 88 places, 85 transitions, 202 flow [2024-11-27 20:25:51,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2024-11-27 20:25:51,142 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-27 20:25:51,142 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 202 flow [2024-11-27 20:25:51,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2024-11-27 20:25:51,146 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:51,146 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] [2024-11-27 20:25:51,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:25:51,147 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 20:25:51,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1689396823, now seen corresponding path program 1 times [2024-11-27 20:25:51,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:51,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272837393] [2024-11-27 20:25:51,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:51,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:51,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272837393] [2024-11-27 20:25:51,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272837393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:51,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:51,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:51,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359065727] [2024-11-27 20:25:51,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:51,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:51,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:51,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:51,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:51,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 86 [2024-11-27 20:25:51,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:51,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:51,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 86 [2024-11-27 20:25:51,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:51,465 INFO L124 PetriNetUnfolderBase]: 78/434 cut-off events. [2024-11-27 20:25:51,465 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2024-11-27 20:25:51,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 434 events. 78/434 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2154 event pairs, 55 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 681. Up to 156 conditions per place. [2024-11-27 20:25:51,469 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 24 selfloop transitions, 5 changer transitions 0/92 dead transitions. [2024-11-27 20:25:51,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 278 flow [2024-11-27 20:25:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-11-27 20:25:51,471 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8410852713178295 [2024-11-27 20:25:51,471 INFO L175 Difference]: Start difference. First operand has 88 places, 85 transitions, 202 flow. Second operand 3 states and 217 transitions. [2024-11-27 20:25:51,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 278 flow [2024-11-27 20:25:51,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 92 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:25:51,475 INFO L231 Difference]: Finished difference. Result has 90 places, 88 transitions, 228 flow [2024-11-27 20:25:51,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=90, PETRI_TRANSITIONS=88} [2024-11-27 20:25:51,476 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2024-11-27 20:25:51,476 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 88 transitions, 228 flow [2024-11-27 20:25:51,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:51,476 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:51,476 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] [2024-11-27 20:25:51,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:25:51,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 20:25:51,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash 459862356, now seen corresponding path program 1 times [2024-11-27 20:25:51,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:51,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697480274] [2024-11-27 20:25:51,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:51,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:51,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697480274] [2024-11-27 20:25:51,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697480274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:51,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:51,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:51,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270293066] [2024-11-27 20:25:51,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:51,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:51,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:51,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:51,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:51,621 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 86 [2024-11-27 20:25:51,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 88 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2024-11-27 20:25:51,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:51,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 86 [2024-11-27 20:25:51,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:51,774 INFO L124 PetriNetUnfolderBase]: 64/453 cut-off events. [2024-11-27 20:25:51,774 INFO L125 PetriNetUnfolderBase]: For 93/95 co-relation queries the response was YES. [2024-11-27 20:25:51,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 453 events. 64/453 cut-off events. For 93/95 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2444 event pairs, 27 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 694. Up to 99 conditions per place. [2024-11-27 20:25:51,779 INFO L140 encePairwiseOnDemand]: 82/86 looper letters, 19 selfloop transitions, 3 changer transitions 5/96 dead transitions. [2024-11-27 20:25:51,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 96 transitions, 302 flow [2024-11-27 20:25:51,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-11-27 20:25:51,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.875968992248062 [2024-11-27 20:25:51,784 INFO L175 Difference]: Start difference. First operand has 90 places, 88 transitions, 228 flow. Second operand 3 states and 226 transitions. [2024-11-27 20:25:51,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 96 transitions, 302 flow [2024-11-27 20:25:51,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 96 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:25:51,789 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 242 flow [2024-11-27 20:25:51,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-11-27 20:25:51,791 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 5 predicate places. [2024-11-27 20:25:51,791 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 242 flow [2024-11-27 20:25:51,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2024-11-27 20:25:51,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:51,792 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] [2024-11-27 20:25:51,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:25:51,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 20:25:51,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:51,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1321500078, now seen corresponding path program 1 times [2024-11-27 20:25:51,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:51,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650820760] [2024-11-27 20:25:51,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:51,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:52,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:52,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650820760] [2024-11-27 20:25:52,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650820760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:52,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:52,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:52,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130688776] [2024-11-27 20:25:52,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:52,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:52,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:52,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:52,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:52,081 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 86 [2024-11-27 20:25:52,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2024-11-27 20:25:52,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:52,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 86 [2024-11-27 20:25:52,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:52,168 INFO L124 PetriNetUnfolderBase]: 14/228 cut-off events. [2024-11-27 20:25:52,168 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-27 20:25:52,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 228 events. 14/228 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 743 event pairs, 8 based on Foata normal form. 6/231 useless extension candidates. Maximal degree in co-relation 303. Up to 37 conditions per place. [2024-11-27 20:25:52,169 INFO L140 encePairwiseOnDemand]: 78/86 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-11-27 20:25:52,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 86 transitions, 246 flow [2024-11-27 20:25:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2024-11-27 20:25:52,171 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9108527131782945 [2024-11-27 20:25:52,171 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 242 flow. Second operand 3 states and 235 transitions. [2024-11-27 20:25:52,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 86 transitions, 246 flow [2024-11-27 20:25:52,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 86 transitions, 218 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-27 20:25:52,176 INFO L231 Difference]: Finished difference. Result has 85 places, 0 transitions, 0 flow [2024-11-27 20:25:52,176 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=85, PETRI_TRANSITIONS=0} [2024-11-27 20:25:52,178 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, -2 predicate places. [2024-11-27 20:25:52,179 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 0 transitions, 0 flow [2024-11-27 20:25:52,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2024-11-27 20:25:52,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2024-11-27 20:25:52,185 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2024-11-27 20:25:52,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-27 20:25:52,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2024-11-27 20:25:52,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2024-11-27 20:25:52,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:25:52,187 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 20:25:52,196 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:25:52,196 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:25:52,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:25:52 BasicIcfg [2024-11-27 20:25:52,204 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:25:52,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:25:52,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:25:52,208 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:25:52,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:50" (3/4) ... [2024-11-27 20:25:52,210 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:25:52,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 20:25:52,218 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 20:25:52,219 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:25:52,219 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:25:52,219 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:25:52,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:25:52,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:25:52,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:25:52,312 INFO L158 Benchmark]: Toolchain (without parser) took 3240.18ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 93.0MB in the beginning and 259.1MB in the end (delta: -166.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-27 20:25:52,312 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:52,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.97ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 73.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:52,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.03ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:52,314 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 753.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:25:52,314 INFO L158 Benchmark]: RCFGBuilder took 478.01ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 55.0MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:25:52,314 INFO L158 Benchmark]: TraceAbstraction took 2032.63ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 54.7MB in the beginning and 263.4MB in the end (delta: -208.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-27 20:25:52,315 INFO L158 Benchmark]: Witness Printer took 105.19ms. Allocated memory is still 343.9MB. Free memory was 263.4MB in the beginning and 259.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:52,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.97ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 73.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.03ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.0MB in the end (delta: 753.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 478.01ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 55.0MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2032.63ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 54.7MB in the beginning and 263.4MB in the end (delta: -208.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 105.19ms. Allocated memory is still 343.9MB. Free memory was 263.4MB in the beginning and 259.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 104 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 17 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:25:52,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d73dc0f-3d10-42fa-a200-528fd2d7d8e4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE