./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:50:55,647 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:50:55,649 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:50:55,706 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:50:55,707 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:50:55,711 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:50:55,714 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:50:55,719 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:50:55,722 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:50:55,731 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:50:55,732 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:50:55,734 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:50:55,734 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:50:55,737 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:50:55,740 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:50:55,742 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:50:55,744 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:50:55,745 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:50:55,747 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:50:55,760 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:50:55,762 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:50:55,764 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:50:55,769 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:50:55,770 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:50:55,777 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:50:55,781 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:50:55,782 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:50:55,783 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:50:55,785 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:50:55,786 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:50:55,787 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:50:55,789 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:50:55,791 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:50:55,792 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:50:55,793 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:50:55,794 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:50:55,795 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:50:55,795 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:50:55,795 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:50:55,796 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:50:55,797 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:50:55,798 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:50:55,839 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:50:55,843 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:50:55,844 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:50:55,844 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:50:55,845 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:50:55,845 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:50:55,846 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:50:55,846 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:50:55,846 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:50:55,847 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:50:55,848 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:50:55,848 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:50:55,848 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:50:55,849 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:50:55,849 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:50:55,849 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:50:55,849 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:50:55,849 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:50:55,850 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-11-02 20:50:55,850 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:50:55,850 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:50:55,850 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:50:55,850 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:50:55,851 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:50:55,852 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:50:55,852 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:50:55,852 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:50:55,852 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:50:55,853 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:50:55,853 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:50:55,854 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:50:55,855 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:50:55,855 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:50:55,855 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:50:55,856 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:50:55,856 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> a0a52117517f5f1ef7fb9c68fe8f56609e6cd05991ff2a7b47c2b82f7b5210a3
[2022-11-02 20:50:56,157 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:50:56,189 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:50:56,192 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:50:56,194 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:50:56,195 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:50:56,209 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i
[2022-11-02 20:50:56,299 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/data/44b0cbb8f/ddd4c2a57ca5472795c7b4f38ead9070/FLAG2811c319f
[2022-11-02 20:50:57,075 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:50:57,076 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/sv-benchmarks/c/goblint-regression/04-mutex_18-glob_guards.i
[2022-11-02 20:50:57,096 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/data/44b0cbb8f/ddd4c2a57ca5472795c7b4f38ead9070/FLAG2811c319f
[2022-11-02 20:50:57,128 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/data/44b0cbb8f/ddd4c2a57ca5472795c7b4f38ead9070
[2022-11-02 20:50:57,140 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:50:57,141 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:50:57,151 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:50:57,151 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:50:57,156 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:50:57,157 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:57" (1/1) ...
[2022-11-02 20:50:57,158 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fb8a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:57, skipping insertion in model container
[2022-11-02 20:50:57,158 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:57" (1/1) ...
[2022-11-02 20:50:57,169 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:50:57,242 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:50:57,964 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:50:57,988 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:50:58,061 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:50:58,151 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:50:58,152 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58 WrapperNode
[2022-11-02 20:50:58,152 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:50:58,154 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:50:58,154 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:50:58,155 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:50:58,164 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,195 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,238 INFO  L138                Inliner]: procedures = 261, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57
[2022-11-02 20:50:58,239 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:50:58,240 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:50:58,241 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:50:58,241 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:50:58,251 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,252 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,266 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,277 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,283 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,286 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,300 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,301 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,304 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:50:58,305 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:50:58,305 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:50:58,305 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:50:58,310 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (1/1) ...
[2022-11-02 20:50:58,318 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:50:58,333 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:50:58,352 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:50:58,382 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:50:58,405 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:50:58,405 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:50:58,406 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:50:58,406 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:50:58,406 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:50:58,406 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2022-11-02 20:50:58,406 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2022-11-02 20:50:58,407 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:50:58,408 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:50:58,409 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:50:58,638 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:50:58,641 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:50:58,906 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:50:58,914 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:50:58,914 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:50:58,916 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:58 BoogieIcfgContainer
[2022-11-02 20:50:58,917 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:50:58,923 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:50:58,924 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:50:58,928 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:50:58,928 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:57" (1/3) ...
[2022-11-02 20:50:58,929 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206bbd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:58, skipping insertion in model container
[2022-11-02 20:50:58,929 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:58" (2/3) ...
[2022-11-02 20:50:58,930 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206bbd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:58, skipping insertion in model container
[2022-11-02 20:50:58,930 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:58" (3/3) ...
[2022-11-02 20:50:58,931 INFO  L112   eAbstractionObserver]: Analyzing ICFG 04-mutex_18-glob_guards.i
[2022-11-02 20:50:58,942 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:50:58,954 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:50:58,955 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-11-02 20:50:58,955 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:50:59,050 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-11-02 20:50:59,125 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 158 flow
[2022-11-02 20:50:59,195 INFO  L130       PetriNetUnfolder]: 2/74 cut-off events.
[2022-11-02 20:50:59,195 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-11-02 20:50:59,199 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 2/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. 
[2022-11-02 20:50:59,200 INFO  L82        GeneralOperation]: Start removeDead. Operand has 77 places, 75 transitions, 158 flow
[2022-11-02 20:50:59,205 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 68 places, 66 transitions, 135 flow
[2022-11-02 20:50:59,247 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:50:59,261 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@7a336680, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:50:59,261 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-11-02 20:50:59,291 INFO  L130       PetriNetUnfolder]: 0/35 cut-off events.
[2022-11-02 20:50:59,291 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:50:59,291 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:50:59,292 INFO  L208   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]
[2022-11-02 20:50:59,293 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-11-02 20:50:59,302 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:50:59,302 INFO  L85        PathProgramCache]: Analyzing trace with hash 1337779804, now seen corresponding path program 1 times
[2022-11-02 20:50:59,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:50:59,317 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698088983]
[2022-11-02 20:50:59,318 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:50:59,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:50:59,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:50:59,568 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:50:59,568 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:50:59,569 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698088983]
[2022-11-02 20:50:59,570 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698088983] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:50:59,570 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:50:59,570 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:50:59,572 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064049011]
[2022-11-02 20:50:59,573 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:50:59,593 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:50:59,595 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:50:59,639 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:50:59,641 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:50:59,651 INFO  L477   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 75
[2022-11-02 20:50:59,662 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 66 transitions, 135 flow. Second operand  has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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)
[2022-11-02 20:50:59,663 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:50:59,663 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 75
[2022-11-02 20:50:59,664 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:50:59,739 INFO  L130       PetriNetUnfolder]: 15/118 cut-off events.
[2022-11-02 20:50:59,739 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-11-02 20:50:59,741 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 153 conditions, 118 events. 15/118 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 260 event pairs, 9 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 101. Up to 29 conditions per place. 
[2022-11-02 20:50:59,743 INFO  L137   encePairwiseOnDemand]: 72/75 looper letters, 10 selfloop transitions, 2 changer transitions 0/65 dead transitions.
[2022-11-02 20:50:59,743 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 65 transitions, 157 flow
[2022-11-02 20:50:59,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:50:59,748 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:50:59,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions.
[2022-11-02 20:50:59,759 INFO  L522   CegarLoopForPetriNet]: DFA transition density 0.8711111111111111
[2022-11-02 20:50:59,760 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 196 transitions.
[2022-11-02 20:50:59,761 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 196 transitions.
[2022-11-02 20:50:59,763 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:50:59,766 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 196 transitions.
[2022-11-02 20:50:59,769 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:50:59,775 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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)
[2022-11-02 20:50:59,775 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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)
[2022-11-02 20:50:59,778 INFO  L175             Difference]: Start difference. First operand has 68 places, 66 transitions, 135 flow. Second operand 3 states and 196 transitions.
[2022-11-02 20:50:59,779 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 65 transitions, 157 flow
[2022-11-02 20:50:59,783 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 65 transitions, 156 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:50:59,786 INFO  L231             Difference]: Finished difference. Result has 68 places, 65 transitions, 136 flow
[2022-11-02 20:50:59,789 INFO  L270   CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=68, PETRI_TRANSITIONS=65}
[2022-11-02 20:50:59,793 INFO  L287   CegarLoopForPetriNet]: 68 programPoint places, 0 predicate places.
[2022-11-02 20:50:59,794 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 136 flow
[2022-11-02 20:50:59,794 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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)
[2022-11-02 20:50:59,795 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:50:59,795 INFO  L208   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]
[2022-11-02 20:50:59,795 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:50:59,796 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-11-02 20:50:59,796 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:50:59,797 INFO  L85        PathProgramCache]: Analyzing trace with hash -33911601, now seen corresponding path program 1 times
[2022-11-02 20:50:59,797 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:50:59,797 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105911832]
[2022-11-02 20:50:59,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:50:59,798 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:50:59,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:50:59,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:50:59,925 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:50:59,925 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105911832]
[2022-11-02 20:50:59,926 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105911832] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:50:59,926 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:50:59,926 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:50:59,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439381252]
[2022-11-02 20:50:59,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:50:59,928 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:50:59,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:50:59,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:50:59,929 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:50:59,930 INFO  L477   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 75
[2022-11-02 20:50:59,930 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 136 flow. Second operand  has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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)
[2022-11-02 20:50:59,930 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:50:59,931 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 75
[2022-11-02 20:50:59,931 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:50:59,995 INFO  L130       PetriNetUnfolder]: 9/96 cut-off events.
[2022-11-02 20:50:59,996 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-11-02 20:50:59,996 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 118 conditions, 96 events. 9/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 145 event pairs, 2 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 74. Up to 12 conditions per place. 
[2022-11-02 20:50:59,997 INFO  L137   encePairwiseOnDemand]: 71/75 looper letters, 7 selfloop transitions, 2 changer transitions 0/65 dead transitions.
[2022-11-02 20:50:59,997 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 154 flow
[2022-11-02 20:50:59,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:50:59,998 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:50:59,999 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions.
[2022-11-02 20:51:00,000 INFO  L522   CegarLoopForPetriNet]: DFA transition density 0.9022222222222223
[2022-11-02 20:51:00,000 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 203 transitions.
[2022-11-02 20:51:00,000 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 203 transitions.
[2022-11-02 20:51:00,001 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:51:00,001 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 203 transitions.
[2022-11-02 20:51:00,003 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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)
[2022-11-02 20:51:00,004 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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)
[2022-11-02 20:51:00,005 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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)
[2022-11-02 20:51:00,005 INFO  L175             Difference]: Start difference. First operand has 68 places, 65 transitions, 136 flow. Second operand 3 states and 203 transitions.
[2022-11-02 20:51:00,005 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 154 flow
[2022-11-02 20:51:00,006 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 65 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:51:00,008 INFO  L231             Difference]: Finished difference. Result has 67 places, 65 transitions, 142 flow
[2022-11-02 20:51:00,009 INFO  L270   CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=67, PETRI_TRANSITIONS=65}
[2022-11-02 20:51:00,010 INFO  L287   CegarLoopForPetriNet]: 68 programPoint places, -1 predicate places.
[2022-11-02 20:51:00,010 INFO  L495      AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 142 flow
[2022-11-02 20:51:00,011 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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)
[2022-11-02 20:51:00,011 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:51:00,011 INFO  L208   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]
[2022-11-02 20:51:00,011 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:51:00,012 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2022-11-02 20:51:00,012 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:51:00,013 INFO  L85        PathProgramCache]: Analyzing trace with hash 15460194, now seen corresponding path program 1 times
[2022-11-02 20:51:00,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:51:00,013 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537660135]
[2022-11-02 20:51:00,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:51:00,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:51:00,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:51:00,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:51:00,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:51:00,831 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537660135]
[2022-11-02 20:51:00,832 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537660135] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:51:00,832 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:51:00,832 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:51:00,832 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372610589]
[2022-11-02 20:51:00,833 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:51:00,833 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:51:00,833 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:51:00,834 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:51:00,834 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:51:00,836 INFO  L477   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 75
[2022-11-02 20:51:00,836 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 142 flow. Second operand  has 6 states, 6 states have (on average 62.666666666666664) internal successors, (376), 6 states have internal predecessors, (376), 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)
[2022-11-02 20:51:00,837 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:51:00,837 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 75
[2022-11-02 20:51:00,837 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:51:00,886 INFO  L130       PetriNetUnfolder]: 4/74 cut-off events.
[2022-11-02 20:51:00,886 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:51:00,888 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 101 conditions, 74 events. 4/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 51. Up to 7 conditions per place. 
[2022-11-02 20:51:00,889 INFO  L137   encePairwiseOnDemand]: 70/75 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions.
[2022-11-02 20:51:00,889 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 64 transitions, 160 flow
[2022-11-02 20:51:00,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 20:51:00,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2022-11-02 20:51:00,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 377 transitions.
[2022-11-02 20:51:00,897 INFO  L522   CegarLoopForPetriNet]: DFA transition density 0.8377777777777777
[2022-11-02 20:51:00,897 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 377 transitions.
[2022-11-02 20:51:00,898 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 377 transitions.
[2022-11-02 20:51:00,899 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:51:00,899 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 377 transitions.
[2022-11-02 20:51:00,901 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 62.833333333333336) internal successors, (377), 6 states have internal predecessors, (377), 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)
[2022-11-02 20:51:00,903 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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)
[2022-11-02 20:51:00,904 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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)
[2022-11-02 20:51:00,904 INFO  L175             Difference]: Start difference. First operand has 67 places, 65 transitions, 142 flow. Second operand 6 states and 377 transitions.
[2022-11-02 20:51:00,904 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 64 transitions, 160 flow
[2022-11-02 20:51:00,905 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 64 transitions, 160 flow, removed 0 selfloop flow, removed 0 redundant places.
[2022-11-02 20:51:00,906 INFO  L231             Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow
[2022-11-02 20:51:00,906 INFO  L270   CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0}
[2022-11-02 20:51:00,907 INFO  L287   CegarLoopForPetriNet]: 68 programPoint places, 3 predicate places.
[2022-11-02 20:51:00,907 INFO  L495      AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow
[2022-11-02 20:51:00,908 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 62.666666666666664) internal successors, (376), 6 states have internal predecessors, (376), 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)
[2022-11-02 20:51:00,914 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining)
[2022-11-02 20:51:00,915 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2022-11-02 20:51:00,916 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2022-11-02 20:51:00,916 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2022-11-02 20:51:00,916 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2022-11-02 20:51:00,917 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2022-11-02 20:51:00,917 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:51:00,917 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-11-02 20:51:00,925 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:51:00,925 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:51:00,939 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:51:00 BasicIcfg
[2022-11-02 20:51:00,939 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:51:00,940 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:51:00,940 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:51:00,940 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:51:00,941 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:58" (3/4) ...
[2022-11-02 20:51:00,944 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:51:00,951 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2022-11-02 20:51:00,958 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:51:00,958 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:51:00,958 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:51:00,959 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:51:01,002 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:51:01,006 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:51:01,016 INFO  L158              Benchmark]: Toolchain (without parser) took 3873.67ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 74.1MB in the beginning and 71.8MB in the end (delta: 2.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,016 INFO  L158              Benchmark]: CDTParser took 12.94ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 92.9MB in the end (delta: -8.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,019 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1002.49ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 70.6MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,019 INFO  L158              Benchmark]: Boogie Procedure Inliner took 85.15ms. Allocated memory is still 113.2MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,020 INFO  L158              Benchmark]: Boogie Preprocessor took 63.72ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 66.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:51:01,020 INFO  L158              Benchmark]: RCFGBuilder took 612.08ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 53.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,021 INFO  L158              Benchmark]: TraceAbstraction took 2015.77ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 53.0MB in the beginning and 73.9MB in the end (delta: -20.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,021 INFO  L158              Benchmark]: Witness Printer took 74.36ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:51:01,026 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 12.94ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 92.9MB in the end (delta: -8.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1002.49ms. Allocated memory is still 113.2MB. Free memory was 73.8MB in the beginning and 70.6MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 85.15ms. Allocated memory is still 113.2MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 63.72ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 66.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 612.08ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 53.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2015.77ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 53.0MB in the beginning and 73.9MB in the end (delta: -20.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
 * Witness Printer took 74.36ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 929]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 931]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 933]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 922]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 84 locations, 6 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 21 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 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
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:51:01,071 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e5e11d-6c14-4cb8-b754-469d8d9434ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE