./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:56:05,726 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:56:05,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-24 01:56:05,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:56:05,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:56:05,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:56:05,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:56:05,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:56:05,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:56:05,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:56:05,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:56:05,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:56:05,843 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:56:05,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:56:05,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:56:05,844 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:56:05,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:56:05,844 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:56:05,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:56:05,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:56:05,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:56:05,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:56:05,845 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:56:05,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:05,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:05,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:05,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:56:05,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:05,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:05,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:05,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:56:05,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:56:05,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:56:05,848 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_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dedc3ea8e96f333d418860556906c8618bbf50be75cff10b45de6d34fe23444
[2024-11-24 01:56:06,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:56:06,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:56:06,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:56:06,243 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:56:06,244 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:56:06,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i
[2024-11-24 01:56:10,062 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/data/78fec09bd/f11392f38e0e4909ad327cad2ac2cec1/FLAGab1ca3a54
[2024-11-24 01:56:10,578 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:56:10,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-2.i
[2024-11-24 01:56:10,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/data/78fec09bd/f11392f38e0e4909ad327cad2ac2cec1/FLAGab1ca3a54
[2024-11-24 01:56:10,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/data/78fec09bd/f11392f38e0e4909ad327cad2ac2cec1
[2024-11-24 01:56:10,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:56:10,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:56:10,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:10,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:56:10,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:56:10,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1ccb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10, skipping insertion in model container
[2024-11-24 01:56:10,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,740 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:56:11,500 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:11,521 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:56:11,636 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:11,744 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:56:11,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11 WrapperNode
[2024-11-24 01:56:11,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:11,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:11,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:56:11,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:56:11,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,815 INFO L138 Inliner]: procedures = 362, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123
[2024-11-24 01:56:11,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:11,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:56:11,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:56:11,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:56:11,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,844 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:56:11,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:56:11,866 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:56:11,867 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:56:11,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (1/1) ...
[2024-11-24 01:56:11,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:11,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:11,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:56:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:56:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace
[2024-11-24 01:56:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace
[2024-11-24 01:56:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:56:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-24 01:56:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:56:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:56:11,962 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 01:56:12,193 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:56:12,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:56:12,597 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 01:56:12,598 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:56:12,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:56:12,622 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:56:12,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:12 BoogieIcfgContainer
[2024-11-24 01:56:12,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:56:12,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:56:12,627 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:56:12,634 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:56:12,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:56:10" (1/3) ...
[2024-11-24 01:56:12,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ccbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:12, skipping insertion in model container
[2024-11-24 01:56:12,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:11" (2/3) ...
[2024-11-24 01:56:12,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ccbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:12, skipping insertion in model container
[2024-11-24 01:56:12,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:12" (3/3) ...
[2024-11-24 01:56:12,642 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-2.i
[2024-11-24 01:56:12,665 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:56:12,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-2.i that has 2 procedures, 157 locations, 1 initial locations, 2 loop locations, and 6 error locations.
[2024-11-24 01:56:12,668 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 01:56:12,770 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-24 01:56:12,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 335 flow
[2024-11-24 01:56:12,963 INFO L124 PetriNetUnfolderBase]: 8/163 cut-off events.
[2024-11-24 01:56:12,966 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 01:56:12,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 163 events. 8/163 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place.
[2024-11-24 01:56:12,973 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 335 flow
[2024-11-24 01:56:12,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 155 transitions, 316 flow
[2024-11-24 01:56:12,990 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:56:13,005 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;@46338e8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:56:13,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-24 01:56:13,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 01:56:13,037 INFO L124 PetriNetUnfolderBase]: 2/92 cut-off events.
[2024-11-24 01:56:13,037 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-24 01:56:13,037 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:56:13,038 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:13,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 01:56:13,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:13,046 INFO L85 PathProgramCache]: Analyzing trace with hash 52057556, now seen corresponding path program 1 times
[2024-11-24 01:56:13,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:13,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321262705]
[2024-11-24 01:56:13,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:13,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:13,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321262705]
[2024-11-24 01:56:13,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321262705] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:13,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:13,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:56:13,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774034222]
[2024-11-24 01:56:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:56:13,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:13,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:56:13,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:56:13,616 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 164
[2024-11-24 01:56:13,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 155 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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)
[2024-11-24 01:56:13,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:56:13,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 164
[2024-11-24 01:56:13,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:56:13,728 INFO L124 PetriNetUnfolderBase]: 21/250 cut-off events.
[2024-11-24 01:56:13,728 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES.
[2024-11-24 01:56:13,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 250 events. 21/250 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 595 event pairs, 2 based on Foata normal form. 21/247 useless extension candidates. Maximal degree in co-relation 205. Up to 32 conditions per place.
[2024-11-24 01:56:13,733 INFO L140 encePairwiseOnDemand]: 147/164 looper letters, 9 selfloop transitions, 6 changer transitions 15/150 dead transitions.
[2024-11-24 01:56:13,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 150 transitions, 344 flow
[2024-11-24 01:56:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:56:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:56:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions.
[2024-11-24 01:56:13,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9126016260162602
[2024-11-24 01:56:13,756 INFO L175 Difference]: Start difference. First operand has 151 places, 155 transitions, 316 flow. Second operand 3 states and 449 transitions.
[2024-11-24 01:56:13,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 150 transitions, 344 flow
[2024-11-24 01:56:13,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 150 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:56:13,776 INFO L231 Difference]: Finished difference. Result has 148 places, 135 transitions, 311 flow
[2024-11-24 01:56:13,779 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=148, PETRI_TRANSITIONS=135}
[2024-11-24 01:56:13,784 INFO L279 CegarLoopForPetriNet]: 151 programPoint places, -3 predicate places.
[2024-11-24 01:56:13,784 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 135 transitions, 311 flow
[2024-11-24 01:56:13,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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)
[2024-11-24 01:56:13,785 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:56:13,789 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:13,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:56:13,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 01:56:13,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:13,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1933837529, now seen corresponding path program 1 times
[2024-11-24 01:56:13,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:13,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136985611]
[2024-11-24 01:56:13,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:14,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:14,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136985611]
[2024-11-24 01:56:14,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136985611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:14,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:14,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:56:14,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501155570]
[2024-11-24 01:56:14,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:14,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:56:14,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:14,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:56:14,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:56:14,164 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164
[2024-11-24 01:56:14,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 135 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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)
[2024-11-24 01:56:14,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:56:14,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164
[2024-11-24 01:56:14,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:56:14,280 INFO L124 PetriNetUnfolderBase]: 35/288 cut-off events.
[2024-11-24 01:56:14,281 INFO L125 PetriNetUnfolderBase]: For 97/119 co-relation queries the response was YES.
[2024-11-24 01:56:14,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 288 events. 35/288 cut-off events. For 97/119 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 900 event pairs, 6 based on Foata normal form. 1/259 useless extension candidates. Maximal degree in co-relation 58. Up to 55 conditions per place.
[2024-11-24 01:56:14,284 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 11 selfloop transitions, 7 changer transitions 0/140 dead transitions.
[2024-11-24 01:56:14,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 140 transitions, 367 flow
[2024-11-24 01:56:14,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:56:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:56:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions.
[2024-11-24 01:56:14,288 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9004065040650406
[2024-11-24 01:56:14,288 INFO L175 Difference]: Start difference. First operand has 148 places, 135 transitions, 311 flow. Second operand 3 states and 443 transitions.
[2024-11-24 01:56:14,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 140 transitions, 367 flow
[2024-11-24 01:56:14,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 140 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:56:14,297 INFO L231 Difference]: Finished difference. Result has 135 places, 140 transitions, 355 flow
[2024-11-24 01:56:14,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=135, PETRI_TRANSITIONS=140}
[2024-11-24 01:56:14,299 INFO L279 CegarLoopForPetriNet]: 151 programPoint places, -16 predicate places.
[2024-11-24 01:56:14,300 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 140 transitions, 355 flow
[2024-11-24 01:56:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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)
[2024-11-24 01:56:14,301 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:56:14,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:14,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:56:14,302 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 01:56:14,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash -378455796, now seen corresponding path program 1 times
[2024-11-24 01:56:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:14,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222637980]
[2024-11-24 01:56:14,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:14,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222637980]
[2024-11-24 01:56:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222637980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:14,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:14,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:56:14,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610784928]
[2024-11-24 01:56:14,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:14,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:56:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:14,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:56:14,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:56:14,597 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 164
[2024-11-24 01:56:14,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 140 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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)
[2024-11-24 01:56:14,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:56:14,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 164
[2024-11-24 01:56:14,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:56:14,712 INFO L124 PetriNetUnfolderBase]: 55/343 cut-off events.
[2024-11-24 01:56:14,713 INFO L125 PetriNetUnfolderBase]: For 196/233 co-relation queries the response was YES.
[2024-11-24 01:56:14,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 343 events. 55/343 cut-off events. For 196/233 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1203 event pairs, 3 based on Foata normal form. 2/312 useless extension candidates. Maximal degree in co-relation 271. Up to 75 conditions per place.
[2024-11-24 01:56:14,720 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 13 selfloop transitions, 9 changer transitions 0/145 dead transitions.
[2024-11-24 01:56:14,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 145 transitions, 423 flow
[2024-11-24 01:56:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:56:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-24 01:56:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions.
[2024-11-24 01:56:14,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8902439024390244
[2024-11-24 01:56:14,723 INFO L175 Difference]: Start difference. First operand has 135 places, 140 transitions, 355 flow. Second operand 3 states and 438 transitions.
[2024-11-24 01:56:14,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 145 transitions, 423 flow
[2024-11-24 01:56:14,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 145 transitions, 405 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:56:14,733 INFO L231 Difference]: Finished difference. Result has 137 places, 145 transitions, 409 flow
[2024-11-24 01:56:14,736 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=137, PETRI_TRANSITIONS=145}
[2024-11-24 01:56:14,737 INFO L279 CegarLoopForPetriNet]: 151 programPoint places, -14 predicate places.
[2024-11-24 01:56:14,737 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 145 transitions, 409 flow
[2024-11-24 01:56:14,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 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)
[2024-11-24 01:56:14,738 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:56:14,738 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:14,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:56:14,738 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-24 01:56:14,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1286522078, now seen corresponding path program 1 times
[2024-11-24 01:56:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751578364]
[2024-11-24 01:56:14,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:56:14,821 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:56:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:56:14,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 01:56:14,923 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 01:56:14,926 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining)
[2024-11-24 01:56:14,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-11-24 01:56:14,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-11-24 01:56:14,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-11-24 01:56:14,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-11-24 01:56:14,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining)
[2024-11-24 01:56:14,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-11-24 01:56:14,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-11-24 01:56:14,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-11-24 01:56:14,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:56:14,934 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-24 01:56:15,034 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 01:56:15,034 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:56:15,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:56:15 BasicIcfg
[2024-11-24 01:56:15,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:56:15,043 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:56:15,043 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:56:15,043 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:56:15,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:12" (3/4) ...
[2024-11-24 01:56:15,045 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 01:56:15,136 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4.
[2024-11-24 01:56:15,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:56:15,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:56:15,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:56:15,200 INFO L158 Benchmark]: Toolchain (without parser) took 4555.82ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 59.7MB in the end (delta: 31.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB.
[2024-11-24 01:56:15,201 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:15,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1099.53ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 53.4MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-24 01:56:15,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.74ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 51.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:15,203 INFO L158 Benchmark]: Boogie Preprocessor took 44.55ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 49.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:15,204 INFO L158 Benchmark]: RCFGBuilder took 756.65ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 87.7MB in the end (delta: -38.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB.
[2024-11-24 01:56:15,204 INFO L158 Benchmark]: TraceAbstraction took 2415.01ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 72.0MB in the end (delta: 15.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB.
[2024-11-24 01:56:15,205 INFO L158 Benchmark]: Witness Printer took 155.83ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 59.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:56:15,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1099.53ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 53.4MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 69.74ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 51.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.55ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 49.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 756.65ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 87.7MB in the end (delta: -38.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 2415.01ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 72.0MB in the end (delta: 15.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB.
* Witness Printer took 155.83ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 59.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 1325]: Data race detected
Data race detected
The following path leads to a data race:
[L1318] 0 int myglobal;
VAL [myglobal=0]
[L1319] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [myglobal=0]
[L1334] 0 pthread_t mythread;
VAL [myglobal=0]
[L1335] 0 int i;
VAL [myglobal=0]
[L1336] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))
VAL [\old(arg)={0:0}, myglobal=0, mythread=-1]
[L1322] 1 int i,j;
VAL [\old(arg)={0:0}, arg={0:0}, myglobal=0]
[L1323] 1 i=0
VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0]
[L1323] COND TRUE 1 i<20
VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0]
[L1325] 1 j=myglobal
VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0]
[L1336] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)))
VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=0, mythread=-1]
[L1346] 0 i=0
VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread=-1]
[L1346] COND TRUE 0 i<20
VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread=-1]
[L1348] EXPR 0 myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=0, mythread=-1]
[L1348] 0 myglobal=myglobal+1
VAL [\old(arg)={0:0}, arg={0:0}, i=0, i=0, myglobal=1, mythread=-1]
[L1325] 1 j=myglobal
VAL [\old(arg)={0:0}, arg={0:0}, i=0, myglobal=1]
Now there is a data race on ~myglobal~0 between
C: myglobal=myglobal+1 [1348]
and
C: j=myglobal [1325]
- UnprovableResult [Line: 1348]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1354]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1348]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1355]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1336]: 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: 1328]: 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, 182 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 8 mSDtfsCounter, 86 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=409occurred in iteration=3, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 01:56:15,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41e71a6-6b41-4e12-bfc3-4ca5e6db5b02/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(DATA-RACE)