./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 839c364b
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5
--- Real Ultimate output ---
This is Ultimate 0.2.2-hotfix-svcomp22-839c364
[2021-11-25 04:30:51,255 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-25 04:30:51,258 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-25 04:30:51,294 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-25 04:30:51,295 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-25 04:30:51,296 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-25 04:30:51,298 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-25 04:30:51,300 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-25 04:30:51,302 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-25 04:30:51,304 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-25 04:30:51,305 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-25 04:30:51,306 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-25 04:30:51,307 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-25 04:30:51,313 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-25 04:30:51,315 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-25 04:30:51,316 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-25 04:30:51,317 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-25 04:30:51,319 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-25 04:30:51,321 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-25 04:30:51,324 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-25 04:30:51,326 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-25 04:30:51,337 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-25 04:30:51,342 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-25 04:30:51,343 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-25 04:30:51,349 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-25 04:30:51,350 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-25 04:30:51,350 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-25 04:30:51,351 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-25 04:30:51,352 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-25 04:30:51,353 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-25 04:30:51,354 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-25 04:30:51,355 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-25 04:30:51,365 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-25 04:30:51,367 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-25 04:30:51,368 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-25 04:30:51,369 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-25 04:30:51,369 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-25 04:30:51,370 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-25 04:30:51,370 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-25 04:30:51,371 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-25 04:30:51,372 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-25 04:30:51,373 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-DataRace-32bit-GemCutter_Default.epf
[2021-11-25 04:30:51,410 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-25 04:30:51,410 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-25 04:30:51,410 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-25 04:30:51,411 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-25 04:30:51,411 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-25 04:30:51,412 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-25 04:30:51,412 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-25 04:30:51,413 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-25 04:30:51,413 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-25 04:30:51,413 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-25 04:30:51,413 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-25 04:30:51,414 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-11-25 04:30:51,414 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-25 04:30:51,414 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-25 04:30:51,414 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-25 04:30:51,415 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-25 04:30:51,415 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-25 04:30:51,415 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-25 04:30:51,415 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2021-11-25 04:30:51,416 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-25 04:30:51,416 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-25 04:30:51,416 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-25 04:30:51,416 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-25 04:30:51,417 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-25 04:30:51,417 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-25 04:30:51,417 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-11-25 04:30:51,417 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-25 04:30:51,418 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:30:51,418 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-25 04:30:51,418 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-25 04:30:51,418 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-25 04:30:51,419 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-25 04:30:51,419 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-11-25 04:30:51,419 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-25 04:30:51,419 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-25 04:30:51,420 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-25 04:30:51,420 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-25 04:30:51,420 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-25 04:30:51,420 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-25 04:30:51,421 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_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/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_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ
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 -> GemCutter
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 -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5
[2021-11-25 04:30:51,755 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-25 04:30:51,778 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-25 04:30:51,782 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-25 04:30:51,783 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-25 04:30:51,784 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-25 04:30:51,785 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i
[2021-11-25 04:30:51,863 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/data/fd1b5b13c/564ada7efbc644e88f8c6d3d4bb5fe3f/FLAGe83a1268b
[2021-11-25 04:30:52,373 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-25 04:30:52,374 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i
[2021-11-25 04:30:52,403 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/data/fd1b5b13c/564ada7efbc644e88f8c6d3d4bb5fe3f/FLAGe83a1268b
[2021-11-25 04:30:52,671 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/data/fd1b5b13c/564ada7efbc644e88f8c6d3d4bb5fe3f
[2021-11-25 04:30:52,673 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-25 04:30:52,675 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-25 04:30:52,677 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-25 04:30:52,677 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-25 04:30:52,694 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-25 04:30:52,694 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:52" (1/1) ...
[2021-11-25 04:30:52,696 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ba76d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:52, skipping insertion in model container
[2021-11-25 04:30:52,696 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:52" (1/1) ...
[2021-11-25 04:30:52,702 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-25 04:30:52,755 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-25 04:30:53,317 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:30:53,335 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-25 04:30:53,394 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:30:53,486 INFO  L208         MainTranslator]: Completed translation
[2021-11-25 04:30:53,487 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53 WrapperNode
[2021-11-25 04:30:53,487 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-25 04:30:53,488 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-25 04:30:53,489 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-25 04:30:53,489 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-25 04:30:53,496 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,527 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,564 INFO  L137                Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56
[2021-11-25 04:30:53,564 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-25 04:30:53,565 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-25 04:30:53,565 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-25 04:30:53,566 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-25 04:30:53,574 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,575 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,588 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,589 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,595 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,596 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,598 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,613 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-25 04:30:53,614 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-25 04:30:53,614 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-25 04:30:53,614 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-25 04:30:53,623 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (1/1) ...
[2021-11-25 04:30:53,633 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:30:53,649 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:30:53,669 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-25 04:30:53,695 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-25 04:30:53,725 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-25 04:30:53,725 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-25 04:30:53,725 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-25 04:30:53,726 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-11-25 04:30:53,727 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-25 04:30:53,727 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2021-11-25 04:30:53,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2021-11-25 04:30:53,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-25 04:30:53,728 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-25 04:30:53,728 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-25 04:30:53,730 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-25 04:30:53,883 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-25 04:30:53,885 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-25 04:30:54,113 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-25 04:30:54,121 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-25 04:30:54,123 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-25 04:30:54,126 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:54 BoogieIcfgContainer
[2021-11-25 04:30:54,126 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-25 04:30:54,128 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-25 04:30:54,128 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-25 04:30:54,131 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-25 04:30:54,132 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:30:52" (1/3) ...
[2021-11-25 04:30:54,133 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754b2bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:30:54, skipping insertion in model container
[2021-11-25 04:30:54,134 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:53" (2/3) ...
[2021-11-25 04:30:54,134 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754b2bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:30:54, skipping insertion in model container
[2021-11-25 04:30:54,134 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:54" (3/3) ...
[2021-11-25 04:30:54,136 INFO  L111   eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i
[2021-11-25 04:30:54,147 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-25 04:30:54,147 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-25 04:30:54,148 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations.
[2021-11-25 04:30:54,148 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-25 04:30:54,196 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,196 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,197 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,197 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,197 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,197 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,198 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,198 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,198 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,198 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,199 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,199 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,199 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,200 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,201 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,201 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,206 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,207 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,207 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,207 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,208 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,208 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,209 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,210 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,210 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,210 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,218 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,219 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,219 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,219 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,220 WARN  L322   ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,220 WARN  L322   ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:30:54,223 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-11-25 04:30:54,282 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-25 04:30:54,290 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:30:54,296 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-25 04:30:54,298 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-25 04:30:54,342 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ========
[2021-11-25 04:30:54,353 INFO  L339      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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-25 04:30:54,354 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-11-25 04:30:54,443 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:30:54,447 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:54,450 INFO  L85        PathProgramCache]: Analyzing trace with hash 605264664, now seen corresponding path program 1 times
[2021-11-25 04:30:54,461 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:54,461 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237974446]
[2021-11-25 04:30:54,462 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:54,462 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:54,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:54,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:54,744 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:54,745 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237974446]
[2021-11-25 04:30:54,746 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237974446] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:54,746 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:54,746 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-25 04:30:54,748 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619730355]
[2021-11-25 04:30:54,748 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:54,753 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:54,753 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:54,775 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:54,776 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:54,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:54,779 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:54,780 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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)
[2021-11-25 04:30:54,780 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:54,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:54,805 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-25 04:30:54,805 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:30:54,806 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:54,806 INFO  L85        PathProgramCache]: Analyzing trace with hash 605264695, now seen corresponding path program 1 times
[2021-11-25 04:30:54,806 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:54,807 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284711798]
[2021-11-25 04:30:54,807 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:54,807 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:54,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:54,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:54,891 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:54,892 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284711798]
[2021-11-25 04:30:54,892 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284711798] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:54,892 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:54,892 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:54,892 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896504712]
[2021-11-25 04:30:54,893 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:54,894 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:54,894 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:54,895 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:54,895 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:54,895 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:54,895 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:54,896 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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)
[2021-11-25 04:30:54,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:54,896 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:54,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:54,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:54,938 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-25 04:30:54,939 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:30:54,939 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:54,940 INFO  L85        PathProgramCache]: Analyzing trace with hash 96071066, now seen corresponding path program 1 times
[2021-11-25 04:30:54,940 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:54,940 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025057289]
[2021-11-25 04:30:54,940 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:54,941 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:54,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,050 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,052 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025057289]
[2021-11-25 04:30:55,052 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025057289] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,053 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,053 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,054 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719260270]
[2021-11-25 04:30:55,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,054 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,055 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,055 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,055 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,056 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,056 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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)
[2021-11-25 04:30:55,056 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,056 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,056 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,139 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining)
[2021-11-25 04:30:55,140 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining)
[2021-11-25 04:30:55,140 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-25 04:30:55,156 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-25 04:30:55,159 INFO  L308   ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2)
[2021-11-25 04:30:55,168 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-25 04:30:55,168 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:30:55,170 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-25 04:30:55,171 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2021-11-25 04:30:55,196 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-25 04:30:55,197 INFO  L339      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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-25 04:30:55,197 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-11-25 04:30:55,205 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,206 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,206 INFO  L85        PathProgramCache]: Analyzing trace with hash 2108077353, now seen corresponding path program 1 times
[2021-11-25 04:30:55,207 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,207 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376546359]
[2021-11-25 04:30:55,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,207 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,248 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,248 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376546359]
[2021-11-25 04:30:55,249 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376546359] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,249 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,249 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,249 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357602514]
[2021-11-25 04:30:55,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,250 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,250 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,250 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,251 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,251 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2021-11-25 04:30:55,251 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,270 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-25 04:30:55,271 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,271 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,271 INFO  L85        PathProgramCache]: Analyzing trace with hash 720751951, now seen corresponding path program 1 times
[2021-11-25 04:30:55,272 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,272 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774645660]
[2021-11-25 04:30:55,272 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,272 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,320 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,320 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774645660]
[2021-11-25 04:30:55,320 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774645660] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,320 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,320 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,320 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281938082]
[2021-11-25 04:30:55,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,321 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,321 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,322 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,322 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,322 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,322 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,322 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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)
[2021-11-25 04:30:55,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,323 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,341 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-25 04:30:55,341 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -169056377, now seen corresponding path program 1 times
[2021-11-25 04:30:55,342 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,342 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620232685]
[2021-11-25 04:30:55,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,342 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,401 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,401 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620232685]
[2021-11-25 04:30:55,401 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620232685] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,402 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,402 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,402 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922801416]
[2021-11-25 04:30:55,402 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,403 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,403 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,404 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,405 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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)
[2021-11-25 04:30:55,408 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,408 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,408 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,490 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-25 04:30:55,491 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,491 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,491 INFO  L85        PathProgramCache]: Analyzing trace with hash 850808654, now seen corresponding path program 1 times
[2021-11-25 04:30:55,492 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,492 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996716712]
[2021-11-25 04:30:55,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,492 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,571 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,571 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996716712]
[2021-11-25 04:30:55,572 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996716712] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,572 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,572 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,572 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998497712]
[2021-11-25 04:30:55,572 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,573 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,573 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,574 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,574 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,574 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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)
[2021-11-25 04:30:55,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,631 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-25 04:30:55,631 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,631 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,632 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316764128, now seen corresponding path program 1 times
[2021-11-25 04:30:55,632 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,632 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312997061]
[2021-11-25 04:30:55,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,632 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,673 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,674 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312997061]
[2021-11-25 04:30:55,674 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312997061] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,674 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,674 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-25 04:30:55,674 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036868699]
[2021-11-25 04:30:55,675 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,675 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,675 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,676 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,677 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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)
[2021-11-25 04:30:55,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,700 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,700 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-25 04:30:55,701 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] ===
[2021-11-25 04:30:55,701 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:30:55,701 INFO  L85        PathProgramCache]: Analyzing trace with hash -1316764097, now seen corresponding path program 1 times
[2021-11-25 04:30:55,702 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:30:55,702 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16608967]
[2021-11-25 04:30:55,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:30:55,702 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:30:55,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:30:55,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:30:55,764 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:30:55,764 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16608967]
[2021-11-25 04:30:55,764 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16608967] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:30:55,764 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:30:55,764 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:30:55,765 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894816885]
[2021-11-25 04:30:55,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:30:55,765 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:30:55,765 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:30:55,766 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:30:55,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:30:55,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,766 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:30:55,767 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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)
[2021-11-25 04:30:55,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,772 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-25 04:30:55,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-25 04:30:55,823 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining)
[2021-11-25 04:30:55,823 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2021-11-25 04:30:55,823 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2021-11-25 04:30:55,824 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2021-11-25 04:30:55,824 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2021-11-25 04:30:55,824 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 6 remaining)
[2021-11-25 04:30:55,824 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-25 04:30:55,826 INFO  L732         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-11-25 04:30:55,827 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2)
[2021-11-25 04:30:55,827 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-25 04:30:55,827 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-25 04:30:55,831 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:30:55 BasicIcfg
[2021-11-25 04:30:55,831 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-25 04:30:55,831 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-25 04:30:55,832 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-25 04:30:55,832 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-25 04:30:55,832 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:54" (3/4) ...
[2021-11-25 04:30:55,835 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-25 04:30:55,841 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2021-11-25 04:30:55,846 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2021-11-25 04:30:55,847 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-25 04:30:55,847 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-25 04:30:55,878 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/witness.graphml
[2021-11-25 04:30:55,878 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-25 04:30:55,879 INFO  L158              Benchmark]: Toolchain (without parser) took 3203.69ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 48.6MB in the beginning and 69.2MB in the end (delta: -20.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB.
[2021-11-25 04:30:55,879 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:30:55,880 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 810.73ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 48.3MB in the beginning and 77.4MB in the end (delta: -29.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB.
[2021-11-25 04:30:55,880 INFO  L158              Benchmark]: Boogie Procedure Inliner took 76.19ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:30:55,880 INFO  L158              Benchmark]: Boogie Preprocessor took 48.15ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:30:55,881 INFO  L158              Benchmark]: RCFGBuilder took 512.19ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 61.8MB in the end (delta: 12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-25 04:30:55,881 INFO  L158              Benchmark]: TraceAbstraction took 1703.12ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 72.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:30:55,882 INFO  L158              Benchmark]: Witness Printer took 46.61ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-25 04:30:55,884 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 810.73ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 48.3MB in the beginning and 77.4MB in the end (delta: -29.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 76.19ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 48.15ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 512.19ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 61.8MB in the end (delta: 12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1703.12ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 72.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 46.61ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 487, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 104, positive unconditional: 362, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 466, positive: 466, positive conditional: 53, positive unconditional: 413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 53, positive unconditional: 413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 466, positive: 144, positive conditional: 53, positive unconditional: 91, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 322, unknown conditional: 0, unknown unconditional: 322] , Statistics on independence cache: Total cache size (in pairs): 322, Positive cache size: 322, Positive conditional cache size: 0, Positive unconditional cache size: 322, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 0, Independence queries for same thread: 21
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.0s, Number of persistent set computation: 89, Number of trivial persistent sets: 80, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 487, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 144, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 104, positive unconditional: 362, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 466, positive: 466, positive conditional: 53, positive unconditional: 413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 466, positive: 466, positive conditional: 53, positive unconditional: 413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 466, positive: 144, positive conditional: 53, positive unconditional: 91, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 322, unknown conditional: 0, unknown unconditional: 322] , Statistics on independence cache: Total cache size (in pairs): 322, Positive cache size: 322, Positive conditional cache size: 0, Positive unconditional cache size: 322, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 0, Independence queries for same thread: 21
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 555, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 138, positive unconditional: 375, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, positive: 513, positive conditional: 61, positive unconditional: 452, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 61, positive unconditional: 452, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 513, positive: 172, positive conditional: 61, positive unconditional: 111, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 341, Positive cache size: 341, Positive conditional cache size: 0, Positive unconditional cache size: 341, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 0, Independence queries for same thread: 42
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.0s, Number of persistent set computation: 98, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 341, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 555, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 172, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 138, positive unconditional: 375, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 513, positive: 513, positive conditional: 61, positive unconditional: 452, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 513, positive: 513, positive conditional: 61, positive unconditional: 452, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 341, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 341, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 513, positive: 172, positive conditional: 61, positive unconditional: 111, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 341, unknown conditional: 0, unknown unconditional: 341] , Statistics on independence cache: Total cache size (in pairs): 341, Positive cache size: 341, Positive conditional cache size: 0, Positive unconditional cache size: 341, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 0, Independence queries for same thread: 42
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 923]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 923]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 929]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 930]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 930]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 932]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 932]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances
    CFG has 3 procedures, 99 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 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
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 99 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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
    7 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-11-25 04:30:55,934 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0
[2021-11-25 04:30:56,131 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-25 04:30:56,332 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdd7a54-1b07-4d52-86fd-446803435e56/bin/ugemcutter-4L4vKOHkXZ/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