./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/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_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/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_fe808aa5-3722-424d-8f48-359ea80a03f0/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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:06:16,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:16,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:06:16,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:16,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:16,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:16,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:16,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:16,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:16,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:16,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:16,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:16,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:16,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:16,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:16,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:16,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:16,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:16,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:16,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:16,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:16,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:16,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:16,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:16,801 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_fe808aa5-3722-424d-8f48-359ea80a03f0/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 -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2024-11-27 20:06:17,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:17,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:17,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:17,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:17,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:17,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2024-11-27 20:06:20,212 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/data/85b6f20cb/356277d9f5714e08bf3b5320dc3e3599/FLAGc1d043181 [2024-11-27 20:06:20,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:20,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2024-11-27 20:06:20,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/data/85b6f20cb/356277d9f5714e08bf3b5320dc3e3599/FLAGc1d043181 [2024-11-27 20:06:20,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/data/85b6f20cb/356277d9f5714e08bf3b5320dc3e3599 [2024-11-27 20:06:20,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:20,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:20,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:20,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:20,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:20,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:20" (1/1) ... [2024-11-27 20:06:20,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b681fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:20, skipping insertion in model container [2024-11-27 20:06:20,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:20" (1/1) ... [2024-11-27 20:06:20,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:20,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:21,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:21,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:21,089 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:21,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21 WrapperNode [2024-11-27 20:06:21,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:21,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:21,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:21,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:21,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,141 INFO L138 Inliner]: procedures = 162, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-27 20:06:21,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:21,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:21,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:21,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:21,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:21,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:21,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:21,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:21,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (1/1) ... [2024-11-27 20:06:21,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:21,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:21,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:21,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 20:06:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 20:06:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 20:06:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:06:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 20:06:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:21,254 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 20:06:21,398 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:21,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:21,542 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:06:21,542 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:21,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:21,562 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:06:21,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:21 BoogieIcfgContainer [2024-11-27 20:06:21,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:21,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:06:21,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:06:21,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:06:21,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:20" (1/3) ... [2024-11-27 20:06:21,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249050a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:21, skipping insertion in model container [2024-11-27 20:06:21,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:21" (2/3) ... [2024-11-27 20:06:21,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249050a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:21, skipping insertion in model container [2024-11-27 20:06:21,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:21" (3/3) ... [2024-11-27 20:06:21,572 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2024-11-27 20:06:21,588 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:06:21,590 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_57-singlethreaded-unlock_true.i that has 2 procedures, 62 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-27 20:06:21,590 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:06:21,639 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:06:21,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 130 flow [2024-11-27 20:06:21,752 INFO L124 PetriNetUnfolderBase]: 2/62 cut-off events. [2024-11-27 20:06:21,758 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:06:21,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 2/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2024-11-27 20:06:21,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 63 transitions, 130 flow [2024-11-27 20:06:21,771 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 44 transitions, 91 flow [2024-11-27 20:06:21,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:06:21,811 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;@603c1b5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:06:21,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 20:06:21,827 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:06:21,827 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-27 20:06:21,827 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:06:21,828 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:06:21,828 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] [2024-11-27 20:06:21,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-27 20:06:21,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:21,839 INFO L85 PathProgramCache]: Analyzing trace with hash 46841030, now seen corresponding path program 1 times [2024-11-27 20:06:21,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:21,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823021320] [2024-11-27 20:06:21,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:22,054 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 20:06:22,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:22,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823021320] [2024-11-27 20:06:22,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823021320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:22,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:22,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:06:22,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767923863] [2024-11-27 20:06:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:22,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:22,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:22,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:22,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:22,128 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 63 [2024-11-27 20:06:22,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 20:06:22,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:06:22,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 63 [2024-11-27 20:06:22,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:06:22,183 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-27 20:06:22,183 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:06:22,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 43 events. 0/43 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-27 20:06:22,184 INFO L140 encePairwiseOnDemand]: 60/63 looper letters, 8 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-11-27 20:06:22,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 43 transitions, 109 flow [2024-11-27 20:06:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:06:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-11-27 20:06:22,200 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8201058201058201 [2024-11-27 20:06:22,202 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 91 flow. Second operand 3 states and 155 transitions. [2024-11-27 20:06:22,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 43 transitions, 109 flow [2024-11-27 20:06:22,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:06:22,211 INFO L231 Difference]: Finished difference. Result has 48 places, 43 transitions, 92 flow [2024-11-27 20:06:22,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=48, PETRI_TRANSITIONS=43} [2024-11-27 20:06:22,218 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-27 20:06:22,218 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 43 transitions, 92 flow [2024-11-27 20:06:22,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 20:06:22,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:06:22,219 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] [2024-11-27 20:06:22,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:06:22,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-27 20:06:22,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 96251711, now seen corresponding path program 1 times [2024-11-27 20:06:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:22,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949148223] [2024-11-27 20:06:22,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:22,327 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 20:06:22,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:22,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949148223] [2024-11-27 20:06:22,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949148223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:22,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:22,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:06:22,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455650931] [2024-11-27 20:06:22,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:22,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:22,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:22,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:22,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:22,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 63 [2024-11-27 20:06:22,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 20:06:22,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:06:22,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 63 [2024-11-27 20:06:22,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:06:22,388 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-27 20:06:22,388 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:06:22,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 0/42 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-27 20:06:22,389 INFO L140 encePairwiseOnDemand]: 60/63 looper letters, 8 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-11-27 20:06:22,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 110 flow [2024-11-27 20:06:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:06:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-11-27 20:06:22,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8201058201058201 [2024-11-27 20:06:22,392 INFO L175 Difference]: Start difference. First operand has 48 places, 43 transitions, 92 flow. Second operand 3 states and 155 transitions. [2024-11-27 20:06:22,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 110 flow [2024-11-27 20:06:22,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:06:22,394 INFO L231 Difference]: Finished difference. Result has 47 places, 42 transitions, 90 flow [2024-11-27 20:06:22,394 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=47, PETRI_TRANSITIONS=42} [2024-11-27 20:06:22,395 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-27 20:06:22,395 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 42 transitions, 90 flow [2024-11-27 20:06:22,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 20:06:22,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:06:22,395 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] [2024-11-27 20:06:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:06:22,396 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-27 20:06:22,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1495311890, now seen corresponding path program 1 times [2024-11-27 20:06:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257577834] [2024-11-27 20:06:22,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:22,517 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 20:06:22,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:22,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257577834] [2024-11-27 20:06:22,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257577834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:22,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:22,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:06:22,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003252729] [2024-11-27 20:06:22,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:22,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:22,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:22,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:22,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:22,540 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 63 [2024-11-27 20:06:22,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 42 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 20:06:22,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:06:22,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 63 [2024-11-27 20:06:22,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:06:22,559 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-27 20:06:22,559 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:06:22,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-27 20:06:22,560 INFO L140 encePairwiseOnDemand]: 61/63 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2024-11-27 20:06:22,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 100 flow [2024-11-27 20:06:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:06:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2024-11-27 20:06:22,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8624338624338624 [2024-11-27 20:06:22,562 INFO L175 Difference]: Start difference. First operand has 47 places, 42 transitions, 90 flow. Second operand 3 states and 163 transitions. [2024-11-27 20:06:22,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 100 flow [2024-11-27 20:06:22,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:06:22,563 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-27 20:06:22,563 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-11-27 20:06:22,564 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-11-27 20:06:22,564 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-27 20:06:22,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 20:06:22,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-27 20:06:22,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-11-27 20:06:22,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-27 20:06:22,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-27 20:06:22,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:06:22,570 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 20:06:22,575 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:06:22,575 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:06:22,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:06:22 BasicIcfg [2024-11-27 20:06:22,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:06:22,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:06:22,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:06:22,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:06:22,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:21" (3/4) ... [2024-11-27 20:06:22,585 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:06:22,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 20:06:22,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 20:06:22,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:06:22,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:06:22,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:06:22,663 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:06:22,663 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:06:22,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:06:22,665 INFO L158 Benchmark]: Toolchain (without parser) took 2074.35ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 91.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-27 20:06:22,667 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:22,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.29ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:06:22,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.21ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 84.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:22,668 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.5MB in the end (delta: 861.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:22,668 INFO L158 Benchmark]: RCFGBuilder took 391.74ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 70.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:22,669 INFO L158 Benchmark]: TraceAbstraction took 1017.18ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 95.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:22,669 INFO L158 Benchmark]: Witness Printer took 81.25ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 91.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:22,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.29ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.21ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 84.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.5MB in the end (delta: 861.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 391.74ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 70.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1017.18ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 95.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.25ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 91.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 67 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, 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 20:06:22,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe808aa5-3722-424d-8f48-359ea80a03f0/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