./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.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_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1 --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 120b8e17ecc05129f7277c5998da40ba955c11083c7096c2093845469caad913
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:01:10,771 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:01:10,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 15:01:10,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:01:10,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:01:10,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:01:10,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:01:10,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:01:10,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:01:10,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:01:10,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:01:10,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:01:10,844 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:01:10,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:01:10,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:01:10,844 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:01:10,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:01:10,845 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:01:10,845 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:10,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:10,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:01:10,846 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:01:10,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:01:10,847 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_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1
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 -> 120b8e17ecc05129f7277c5998da40ba955c11083c7096c2093845469caad913
[2024-12-02 15:01:11,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:01:11,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:01:11,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:01:11,042 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:01:11,042 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:01:11,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i
[2024-12-02 15:01:13,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/data/69bdecf47/5539d4dbac3446c398417bba57732332/FLAG4366dc350
[2024-12-02 15:01:13,896 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:01:13,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i
[2024-12-02 15:01:13,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/data/69bdecf47/5539d4dbac3446c398417bba57732332/FLAG4366dc350
[2024-12-02 15:01:13,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/data/69bdecf47/5539d4dbac3446c398417bba57732332
[2024-12-02 15:01:13,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:01:13,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:01:13,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:13,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:01:13,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:01:13,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:13" (1/1) ...
[2024-12-02 15:01:13,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6891e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:13, skipping insertion in model container
[2024-12-02 15:01:13,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:13" (1/1) ...
[2024-12-02 15:01:13,962 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:01:14,275 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:14,290 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:01:14,330 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:01:14,383 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:01:14,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14 WrapperNode
[2024-12-02 15:01:14,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:01:14,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:14,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:01:14,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:01:14,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,419 INFO L138 Inliner]: procedures = 263, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49
[2024-12-02 15:01:14,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:01:14,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:01:14,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:01:14,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:01:14,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:01:14,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:01:14,441 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:01:14,441 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:01:14,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (1/1) ...
[2024-12-02 15:01:14,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:01:14,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:01:14,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:01:14,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-12-02 15:01:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 15:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:01:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:01:14,489 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 15:01:14,593 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:01:14,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:01:14,734 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 15:01:14,735 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:01:14,755 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:01:14,755 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 15:01:14,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:14 BoogieIcfgContainer
[2024-12-02 15:01:14,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:01:14,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:01:14,758 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:01:14,763 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:01:14,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:13" (1/3) ...
[2024-12-02 15:01:14,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6af288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:14, skipping insertion in model container
[2024-12-02 15:01:14,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:14" (2/3) ...
[2024-12-02 15:01:14,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6af288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:14, skipping insertion in model container
[2024-12-02 15:01:14,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:14" (3/3) ...
[2024-12-02 15:01:14,765 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_24-sound_lock.i
[2024-12-02 15:01:14,779 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:01:14,781 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_24-sound_lock.i that has 2 procedures, 69 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-12-02 15:01:14,781 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 15:01:14,824 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-12-02 15:01:14,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 69 transitions, 145 flow
[2024-12-02 15:01:14,907 INFO L124 PetriNetUnfolderBase]: 1/68 cut-off events.
[2024-12-02 15:01:14,909 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 15:01:14,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 1/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place.
[2024-12-02 15:01:14,913 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 69 transitions, 145 flow
[2024-12-02 15:01:14,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 63 transitions, 129 flow
[2024-12-02 15:01:14,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:01:14,936 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;@6bfed63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:01:14,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-12-02 15:01:14,949 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 15:01:14,949 INFO L124 PetriNetUnfolderBase]: 1/41 cut-off events.
[2024-12-02 15:01:14,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 15:01:14,949 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:01:14,950 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]
[2024-12-02 15:01:14,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-12-02 15:01:14,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1417833236, now seen corresponding path program 1 times
[2024-12-02 15:01:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:14,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465920242]
[2024-12-02 15:01:14,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:15,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:01:15,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465920242]
[2024-12-02 15:01:15,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465920242] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:15,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:15,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:01:15,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080533933]
[2024-12-02 15:01:15,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:15,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:01:15,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:01:15,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:01:15,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:15,200 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69
[2024-12-02 15:01:15,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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)
[2024-12-02 15:01:15,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:01:15,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69
[2024-12-02 15:01:15,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:01:15,272 INFO L124 PetriNetUnfolderBase]: 32/186 cut-off events.
[2024-12-02 15:01:15,272 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 15:01:15,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 186 events. 32/186 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 688 event pairs, 13 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 232. Up to 44 conditions per place.
[2024-12-02 15:01:15,275 INFO L140 encePairwiseOnDemand]: 61/69 looper letters, 17 selfloop transitions, 6 changer transitions 0/73 dead transitions.
[2024-12-02 15:01:15,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 73 transitions, 195 flow
[2024-12-02 15:01:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:01:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 15:01:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions.
[2024-12-02 15:01:15,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9178743961352657
[2024-12-02 15:01:15,287 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 129 flow. Second operand 3 states and 190 transitions.
[2024-12-02 15:01:15,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 73 transitions, 195 flow
[2024-12-02 15:01:15,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 73 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-12-02 15:01:15,294 INFO L231 Difference]: Finished difference. Result has 69 places, 69 transitions, 180 flow
[2024-12-02 15:01:15,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=69, PETRI_TRANSITIONS=69}
[2024-12-02 15:01:15,298 INFO L279 CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places.
[2024-12-02 15:01:15,299 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 69 transitions, 180 flow
[2024-12-02 15:01:15,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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)
[2024-12-02 15:01:15,299 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:01:15,299 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]
[2024-12-02 15:01:15,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:01:15,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-12-02 15:01:15,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:15,300 INFO L85 PathProgramCache]: Analyzing trace with hash 684320151, now seen corresponding path program 1 times
[2024-12-02 15:01:15,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:15,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481123593]
[2024-12-02 15:01:15,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:15,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:01:15,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481123593]
[2024-12-02 15:01:15,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481123593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:15,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:15,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:01:15,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487494238]
[2024-12-02 15:01:15,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:15,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:01:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:01:15,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:01:15,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:15,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69
[2024-12-02 15:01:15,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 69 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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)
[2024-12-02 15:01:15,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:01:15,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69
[2024-12-02 15:01:15,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:01:15,471 INFO L124 PetriNetUnfolderBase]: 47/228 cut-off events.
[2024-12-02 15:01:15,471 INFO L125 PetriNetUnfolderBase]: For 89/93 co-relation queries the response was YES.
[2024-12-02 15:01:15,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 228 events. 47/228 cut-off events. For 89/93 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1004 event pairs, 21 based on Foata normal form. 3/214 useless extension candidates. Maximal degree in co-relation 393. Up to 86 conditions per place.
[2024-12-02 15:01:15,473 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 16 selfloop transitions, 7 changer transitions 1/76 dead transitions.
[2024-12-02 15:01:15,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 76 transitions, 252 flow
[2024-12-02 15:01:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:01:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 15:01:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions.
[2024-12-02 15:01:15,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893719806763285
[2024-12-02 15:01:15,475 INFO L175 Difference]: Start difference. First operand has 69 places, 69 transitions, 180 flow. Second operand 3 states and 185 transitions.
[2024-12-02 15:01:15,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 76 transitions, 252 flow
[2024-12-02 15:01:15,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 76 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 15:01:15,478 INFO L231 Difference]: Finished difference. Result has 71 places, 74 transitions, 224 flow
[2024-12-02 15:01:15,478 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=71, PETRI_TRANSITIONS=74}
[2024-12-02 15:01:15,479 INFO L279 CegarLoopForPetriNet]: 66 programPoint places, 5 predicate places.
[2024-12-02 15:01:15,479 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 74 transitions, 224 flow
[2024-12-02 15:01:15,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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)
[2024-12-02 15:01:15,479 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:01:15,479 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:01:15,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:01:15,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-12-02 15:01:15,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:15,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1852371214, now seen corresponding path program 1 times
[2024-12-02 15:01:15,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:15,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105233338]
[2024-12-02 15:01:15,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:15,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:01:15,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105233338]
[2024-12-02 15:01:15,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105233338] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:15,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:15,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:01:15,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314969013]
[2024-12-02 15:01:15,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:15,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:01:15,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:01:15,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:01:15,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:01:15,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 69
[2024-12-02 15:01:15,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 74 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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)
[2024-12-02 15:01:15,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:01:15,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 69
[2024-12-02 15:01:15,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:01:15,645 INFO L124 PetriNetUnfolderBase]: 60/269 cut-off events.
[2024-12-02 15:01:15,645 INFO L125 PetriNetUnfolderBase]: For 176/180 co-relation queries the response was YES.
[2024-12-02 15:01:15,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 269 events. 60/269 cut-off events. For 176/180 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1229 event pairs, 21 based on Foata normal form. 1/253 useless extension candidates. Maximal degree in co-relation 541. Up to 100 conditions per place.
[2024-12-02 15:01:15,647 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 16 selfloop transitions, 7 changer transitions 7/81 dead transitions.
[2024-12-02 15:01:15,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 81 transitions, 308 flow
[2024-12-02 15:01:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:01:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-12-02 15:01:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions.
[2024-12-02 15:01:15,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043
[2024-12-02 15:01:15,649 INFO L175 Difference]: Start difference. First operand has 71 places, 74 transitions, 224 flow. Second operand 3 states and 180 transitions.
[2024-12-02 15:01:15,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 81 transitions, 308 flow
[2024-12-02 15:01:15,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 81 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 15:01:15,652 INFO L231 Difference]: Finished difference. Result has 73 places, 73 transitions, 242 flow
[2024-12-02 15:01:15,652 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=73, PETRI_TRANSITIONS=73}
[2024-12-02 15:01:15,653 INFO L279 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places.
[2024-12-02 15:01:15,653 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 73 transitions, 242 flow
[2024-12-02 15:01:15,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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)
[2024-12-02 15:01:15,653 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:01:15,653 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]
[2024-12-02 15:01:15,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:01:15,653 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-12-02 15:01:15,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:15,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1112816022, now seen corresponding path program 1 times
[2024-12-02 15:01:15,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:15,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631818983]
[2024-12-02 15:01:15,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:15,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:01:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:01:15,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:01:15,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631818983]
[2024-12-02 15:01:15,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631818983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:01:15,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:01:15,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:01:15,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666839491]
[2024-12-02 15:01:15,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:01:15,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:01:15,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:01:15,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:01:15,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:01:15,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 69
[2024-12-02 15:01:15,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 73 transitions, 242 flow. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:01:15,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 15:01:15,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 69
[2024-12-02 15:01:15,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 15:01:15,928 INFO L124 PetriNetUnfolderBase]: 22/261 cut-off events.
[2024-12-02 15:01:15,928 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES.
[2024-12-02 15:01:15,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 261 events. 22/261 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1294 event pairs, 6 based on Foata normal form. 2/255 useless extension candidates. Maximal degree in co-relation 373. Up to 38 conditions per place.
[2024-12-02 15:01:15,930 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 5 selfloop transitions, 5 changer transitions 8/81 dead transitions.
[2024-12-02 15:01:15,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 81 transitions, 294 flow
[2024-12-02 15:01:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:01:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-12-02 15:01:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 309 transitions.
[2024-12-02 15:01:15,932 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435
[2024-12-02 15:01:15,932 INFO L175 Difference]: Start difference. First operand has 73 places, 73 transitions, 242 flow. Second operand 5 states and 309 transitions.
[2024-12-02 15:01:15,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 81 transitions, 294 flow
[2024-12-02 15:01:15,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 81 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 15:01:15,936 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 242 flow
[2024-12-02 15:01:15,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=242, PETRI_PLACES=77, PETRI_TRANSITIONS=72}
[2024-12-02 15:01:15,936 INFO L279 CegarLoopForPetriNet]: 66 programPoint places, 11 predicate places.
[2024-12-02 15:01:15,937 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 242 flow
[2024-12-02 15:01:15,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:01:15,937 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 15:01:15,937 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]
[2024-12-02 15:01:15,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:01:15,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-12-02 15:01:15,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:01:15,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1734049911, now seen corresponding path program 1 times
[2024-12-02 15:01:15,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:01:15,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686369076]
[2024-12-02 15:01:15,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:01:15,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:01:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:15,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:01:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:01:15,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:01:15,993 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:01:15,994 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining)
[2024-12-02 15:01:15,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-12-02 15:01:15,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining)
[2024-12-02 15:01:15,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-12-02 15:01:15,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-12-02 15:01:15,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-12-02 15:01:15,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-12-02 15:01:15,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:01:15,997 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 15:01:16,032 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 15:01:16,032 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:01:16,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:16 BasicIcfg
[2024-12-02 15:01:16,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:01:16,038 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:01:16,038 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:01:16,038 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:01:16,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:14" (3/4) ...
[2024-12-02 15:01:16,040 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 15:01:16,087 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2.
[2024-12-02 15:01:16,126 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:01:16,126 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:01:16,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:01:16,127 INFO L158 Benchmark]: Toolchain (without parser) took 2201.90ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 90.7MB in the beginning and 129.6MB in the end (delta: -38.8MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,128 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:16,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.96ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 63.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,128 INFO L158 Benchmark]: Boogie Preprocessor took 20.29ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:01:16,129 INFO L158 Benchmark]: RCFGBuilder took 314.87ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 47.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,129 INFO L158 Benchmark]: TraceAbstraction took 1279.28ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.4MB in the beginning and 135.8MB in the end (delta: -89.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,129 INFO L158 Benchmark]: Witness Printer took 88.46ms. Allocated memory is still 209.7MB. Free memory was 135.8MB in the beginning and 129.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:01:16,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 456.96ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 63.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.29ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 60.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 314.87ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 47.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1279.28ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.4MB in the beginning and 135.8MB in the end (delta: -89.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB.
* Witness Printer took 88.46ms. Allocated memory is still 209.7MB. Free memory was 135.8MB in the beginning and 129.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 934]: Data race detected
Data race detected
The following path leads to a data race:
[L918] 0 int myglobal;
VAL [myglobal=0]
[L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={1:0}, myglobal=0]
[L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L928] 0 int i = __VERIFIER_nondet_int();
VAL [i=1, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L929] 0 pthread_t id;
VAL [i=1, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L930] 0 pthread_mutex_t *m = &mutex1;
VAL [i=1, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L931] COND TRUE 0 \read(i)
VAL [i=1, m={1:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L931] 0 m = &mutex2
VAL [i=1, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [\old(arg)={0:0}, i=1, id=-1, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L923] EXPR 1 myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L934] 0 myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, i=1, id=-1, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0]
[L923] 1 myglobal=myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1]
[L934] 0 myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, i=1, id=-1, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1]
Now there is a data race on ~myglobal~0 between
C: myglobal=myglobal+1 [923]
and
C: myglobal+1 [934]
- UnprovableResult [Line: 934]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 923]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 923]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 87 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 34 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 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
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 15:01:16,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfa30aa9-b3f4-4777-9e03-5b47fe2ef30b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)