./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version efd9311c
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-efd9311-m
[2022-04-18 18:41:36,342 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-18 18:41:36,343 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-18 18:41:36,379 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-18 18:41:36,380 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-18 18:41:36,382 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-18 18:41:36,383 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-18 18:41:36,385 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-18 18:41:36,386 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-18 18:41:36,389 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-18 18:41:36,390 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-18 18:41:36,391 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-18 18:41:36,392 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-18 18:41:36,393 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-18 18:41:36,394 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-18 18:41:36,396 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-18 18:41:36,396 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-18 18:41:36,397 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-18 18:41:36,398 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-18 18:41:36,403 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-18 18:41:36,404 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-18 18:41:36,405 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-18 18:41:36,405 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-18 18:41:36,406 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-18 18:41:36,407 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-18 18:41:36,412 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-18 18:41:36,412 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-18 18:41:36,412 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-18 18:41:36,413 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-18 18:41:36,413 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-18 18:41:36,414 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-18 18:41:36,414 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-18 18:41:36,416 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-18 18:41:36,416 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-18 18:41:36,416 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-18 18:41:36,417 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-18 18:41:36,417 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-18 18:41:36,417 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-18 18:41:36,418 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-18 18:41:36,418 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-18 18:41:36,419 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-18 18:41:36,420 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-18 18:41:36,421 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2022-04-18 18:41:36,443 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-18 18:41:36,444 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-18 18:41:36,444 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-04-18 18:41:36,444 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-04-18 18:41:36,444 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-04-18 18:41:36,445 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-04-18 18:41:36,445 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-04-18 18:41:36,445 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-04-18 18:41:36,445 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-04-18 18:41:36,446 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-04-18 18:41:36,448 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-04-18 18:41:36,448 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-04-18 18:41:36,448 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-04-18 18:41:36,449 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-18 18:41:36,449 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-18 18:41:36,450 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-18 18:41:36,451 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-18 18:41:36,451 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 18:41:36,452 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-18 18:41:36,452 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-04-18 18:41:36,453 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-04-18 18:41:36,453 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux
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 -> Taipan
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 -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f
[2022-04-18 18:41:36,661 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-18 18:41:36,677 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-18 18:41:36,680 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-18 18:41:36,680 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-18 18:41:36,681 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-18 18:41:36,682 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i
[2022-04-18 18:41:36,758 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41ba6ebea/e2214b7d317f4608b1b068643e8a7f38/FLAGe29b35ffa
[2022-04-18 18:41:37,089 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-18 18:41:37,089 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i
[2022-04-18 18:41:37,097 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41ba6ebea/e2214b7d317f4608b1b068643e8a7f38/FLAGe29b35ffa
[2022-04-18 18:41:37,483 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/41ba6ebea/e2214b7d317f4608b1b068643e8a7f38
[2022-04-18 18:41:37,485 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-18 18:41:37,486 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-04-18 18:41:37,490 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-18 18:41:37,491 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-18 18:41:37,495 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-18 18:41:37,496 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,496 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e95ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37, skipping insertion in model container
[2022-04-18 18:41:37,497 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,501 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-18 18:41:37,525 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-18 18:41:37,660 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101]
[2022-04-18 18:41:37,790 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 18:41:37,798 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-18 18:41:37,808 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101]
[2022-04-18 18:41:37,832 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 18:41:37,861 INFO  L208         MainTranslator]: Completed translation
[2022-04-18 18:41:37,862 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37 WrapperNode
[2022-04-18 18:41:37,862 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-18 18:41:37,863 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-04-18 18:41:37,863 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-04-18 18:41:37,864 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-04-18 18:41:37,869 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,906 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,927 INFO  L137                Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2022-04-18 18:41:37,927 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-04-18 18:41:37,929 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-18 18:41:37,929 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-18 18:41:37,929 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-18 18:41:37,935 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,935 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,941 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,943 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,946 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,948 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,952 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,953 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-18 18:41:37,954 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-18 18:41:37,954 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-18 18:41:37,954 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-18 18:41:37,955 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (1/1) ...
[2022-04-18 18:41:37,962 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 18:41:37,969 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
[2022-04-18 18:41:37,978 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-04-18 18:41:37,990 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-04-18 18:41:38,031 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2022-04-18 18:41:38,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2022-04-18 18:41:38,032 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-18 18:41:38,033 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-18 18:41:38,033 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-18 18:41:38,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-18 18:41:38,034 WARN  L208             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-04-18 18:41:38,103 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-18 18:41:38,104 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-18 18:41:38,273 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-18 18:41:38,278 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-18 18:41:38,279 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-04-18 18:41:38,280 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:38 BoogieIcfgContainer
[2022-04-18 18:41:38,280 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-18 18:41:38,281 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-18 18:41:38,281 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-18 18:41:38,287 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-18 18:41:38,289 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:41:37" (1/3) ...
[2022-04-18 18:41:38,289 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcde60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:38, skipping insertion in model container
[2022-04-18 18:41:38,289 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:41:37" (2/3) ...
[2022-04-18 18:41:38,290 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcde60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:41:38, skipping insertion in model container
[2022-04-18 18:41:38,290 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:38" (3/3) ...
[2022-04-18 18:41:38,291 INFO  L111   eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i
[2022-04-18 18:41:38,294 WARN  L147   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-04-18 18:41:38,294 INFO  L202   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-04-18 18:41:38,295 INFO  L161   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-04-18 18:41:38,295 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-04-18 18:41:38,325 INFO  L135    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-04-18 18:41:38,353 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 18:41:38,358 INFO  L340      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=FINITE_AUTOMATA, 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
[2022-04-18 18:41:38,358 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2022-04-18 18:41:38,367 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 18:41:38,375 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 97 transitions, 202 flow
[2022-04-18 18:41:38,377 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 97 transitions, 202 flow
[2022-04-18 18:41:38,378 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 98 places, 97 transitions, 202 flow
[2022-04-18 18:41:38,412 INFO  L129       PetriNetUnfolder]: 3/96 cut-off events.
[2022-04-18 18:41:38,413 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-04-18 18:41:38,415 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 3/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 94 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. 
[2022-04-18 18:41:38,417 INFO  L116        LiptonReduction]: Number of co-enabled transitions 1296
[2022-04-18 18:41:40,471 INFO  L131        LiptonReduction]: Checked pairs total: 3575
[2022-04-18 18:41:40,471 INFO  L133        LiptonReduction]: Total number of compositions: 90
[2022-04-18 18:41:40,477 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 27 transitions, 62 flow
[2022-04-18 18:41:40,505 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 109 states, 97 states have (on average 2.216494845360825) internal successors, (215), 108 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,507 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 109 states, 97 states have (on average 2.216494845360825) internal successors, (215), 108 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2
[2022-04-18 18:41:40,511 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:41:40,511 INFO  L499         BasicCegarLoop]: trace histogram [1]
[2022-04-18 18:41:40,512 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-04-18 18:41:40,518 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:41:40,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 355, now seen corresponding path program 1 times
[2022-04-18 18:41:40,524 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:41:40,525 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165391114]
[2022-04-18 18:41:40,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:41:40,525 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:41:40,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:41:40,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:41:40,602 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:41:40,602 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165391114]
[2022-04-18 18:41:40,603 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165391114] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:41:40,603 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:41:40,603 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2022-04-18 18:41:40,604 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530187589]
[2022-04-18 18:41:40,605 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:41:40,607 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-04-18 18:41:40,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:41:40,622 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-04-18 18:41:40,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 18:41:40,626 INFO  L87              Difference]: Start difference. First operand  has 109 states, 97 states have (on average 2.216494845360825) internal successors, (215), 108 states have internal predecessors, (215), 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) Second operand  has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:41:40,654 INFO  L93              Difference]: Finished difference Result 96 states and 178 transitions.
[2022-04-18 18:41:40,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-04-18 18:41:40,655 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1
[2022-04-18 18:41:40,656 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:41:40,661 INFO  L225             Difference]: With dead ends: 96
[2022-04-18 18:41:40,661 INFO  L226             Difference]: Without dead ends: 90
[2022-04-18 18:41:40,662 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 18:41:40,665 INFO  L913         BasicCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 18:41:40,665 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 18:41:40,677 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2022-04-18 18:41:40,691 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2022-04-18 18:41:40,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 83 states have (on average 2.0) internal successors, (166), 89 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,697 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 166 transitions.
[2022-04-18 18:41:40,697 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 166 transitions. Word has length 1
[2022-04-18 18:41:40,698 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:41:40,698 INFO  L478      AbstractCegarLoop]: Abstraction has 90 states and 166 transitions.
[2022-04-18 18:41:40,698 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,698 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 166 transitions.
[2022-04-18 18:41:40,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-04-18 18:41:40,699 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:41:40,699 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-04-18 18:41:40,699 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-04-18 18:41:40,699 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-04-18 18:41:40,701 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:41:40,701 INFO  L85        PathProgramCache]: Analyzing trace with hash 337954872, now seen corresponding path program 1 times
[2022-04-18 18:41:40,701 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:41:40,704 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083293926]
[2022-04-18 18:41:40,704 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:41:40,704 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:41:40,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:41:40,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:41:40,793 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:41:40,794 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083293926]
[2022-04-18 18:41:40,795 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083293926] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:41:40,795 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:41:40,795 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 18:41:40,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341764515]
[2022-04-18 18:41:40,796 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:41:40,797 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 18:41:40,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:41:40,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 18:41:40,802 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:40,802 INFO  L87              Difference]: Start difference. First operand 90 states and 166 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:41:40,843 INFO  L93              Difference]: Finished difference Result 107 states and 186 transitions.
[2022-04-18 18:41:40,843 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 18:41:40,844 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2022-04-18 18:41:40,844 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:41:40,847 INFO  L225             Difference]: With dead ends: 107
[2022-04-18 18:41:40,847 INFO  L226             Difference]: Without dead ends: 101
[2022-04-18 18:41:40,847 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:40,849 INFO  L913         BasicCegarLoop]: 7 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 18:41:40,849 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 7 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 18:41:40,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2022-04-18 18:41:40,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 81.
[2022-04-18 18:41:40,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 76 states have (on average 1.9078947368421053) internal successors, (145), 80 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 145 transitions.
[2022-04-18 18:41:40,865 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 145 transitions. Word has length 5
[2022-04-18 18:41:40,865 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:41:40,865 INFO  L478      AbstractCegarLoop]: Abstraction has 81 states and 145 transitions.
[2022-04-18 18:41:40,865 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:40,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions.
[2022-04-18 18:41:40,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-04-18 18:41:40,866 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:41:40,866 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-04-18 18:41:40,866 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-04-18 18:41:40,866 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-04-18 18:41:40,867 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:41:40,867 INFO  L85        PathProgramCache]: Analyzing trace with hash 337956271, now seen corresponding path program 1 times
[2022-04-18 18:41:40,867 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:41:40,869 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905065399]
[2022-04-18 18:41:40,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:41:40,869 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:41:40,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:41:40,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:41:40,975 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:41:40,975 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905065399]
[2022-04-18 18:41:40,975 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905065399] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:41:40,975 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:41:40,975 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 18:41:40,975 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132030095]
[2022-04-18 18:41:40,975 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:41:40,975 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 18:41:40,975 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:41:40,976 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 18:41:40,976 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:40,976 INFO  L87              Difference]: Start difference. First operand 81 states and 145 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,003 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:41:41,012 INFO  L93              Difference]: Finished difference Result 81 states and 144 transitions.
[2022-04-18 18:41:41,013 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 18:41:41,013 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2022-04-18 18:41:41,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:41:41,014 INFO  L225             Difference]: With dead ends: 81
[2022-04-18 18:41:41,014 INFO  L226             Difference]: Without dead ends: 81
[2022-04-18 18:41:41,015 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:41,015 INFO  L913         BasicCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 18:41:41,016 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 7 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 18:41:41,018 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2022-04-18 18:41:41,022 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2022-04-18 18:41:41,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 77 states have (on average 1.87012987012987) internal successors, (144), 80 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 144 transitions.
[2022-04-18 18:41:41,023 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 144 transitions. Word has length 5
[2022-04-18 18:41:41,024 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:41:41,024 INFO  L478      AbstractCegarLoop]: Abstraction has 81 states and 144 transitions.
[2022-04-18 18:41:41,024 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 144 transitions.
[2022-04-18 18:41:41,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2022-04-18 18:41:41,024 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:41:41,025 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-04-18 18:41:41,025 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-04-18 18:41:41,025 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-04-18 18:41:41,025 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:41:41,025 INFO  L85        PathProgramCache]: Analyzing trace with hash -1642802171, now seen corresponding path program 1 times
[2022-04-18 18:41:41,025 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:41:41,026 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001851936]
[2022-04-18 18:41:41,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:41:41,026 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:41:41,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:41:41,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:41:41,068 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:41:41,068 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001851936]
[2022-04-18 18:41:41,068 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001851936] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:41:41,069 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:41:41,069 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 18:41:41,069 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719648168]
[2022-04-18 18:41:41,069 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:41:41,069 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 18:41:41,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:41:41,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 18:41:41,070 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:41,070 INFO  L87              Difference]: Start difference. First operand 81 states and 144 transitions. Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:41:41,093 INFO  L93              Difference]: Finished difference Result 81 states and 139 transitions.
[2022-04-18 18:41:41,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 18:41:41,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7
[2022-04-18 18:41:41,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:41:41,094 INFO  L225             Difference]: With dead ends: 81
[2022-04-18 18:41:41,094 INFO  L226             Difference]: Without dead ends: 53
[2022-04-18 18:41:41,094 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:41,095 INFO  L913         BasicCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 18:41:41,095 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 18:41:41,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2022-04-18 18:41:41,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2022-04-18 18:41:41,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 50 states have (on average 1.56) internal successors, (78), 52 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions.
[2022-04-18 18:41:41,097 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 7
[2022-04-18 18:41:41,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:41:41,097 INFO  L478      AbstractCegarLoop]: Abstraction has 53 states and 78 transitions.
[2022-04-18 18:41:41,097 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions.
[2022-04-18 18:41:41,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2022-04-18 18:41:41,098 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:41:41,098 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-04-18 18:41:41,098 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-04-18 18:41:41,098 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2022-04-18 18:41:41,098 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:41:41,098 INFO  L85        PathProgramCache]: Analyzing trace with hash -1642298760, now seen corresponding path program 1 times
[2022-04-18 18:41:41,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:41:41,098 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107197391]
[2022-04-18 18:41:41,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:41:41,098 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:41:41,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:41:41,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:41:41,133 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:41:41,133 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107197391]
[2022-04-18 18:41:41,133 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107197391] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:41:41,133 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:41:41,133 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-04-18 18:41:41,133 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549164173]
[2022-04-18 18:41:41,133 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:41:41,134 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 18:41:41,134 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:41:41,134 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 18:41:41,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:41,134 INFO  L87              Difference]: Start difference. First operand 53 states and 78 transitions. Second operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,143 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:41:41,143 INFO  L93              Difference]: Finished difference Result 11 states and 11 transitions.
[2022-04-18 18:41:41,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 18:41:41,144 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7
[2022-04-18 18:41:41,144 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:41:41,144 INFO  L225             Difference]: With dead ends: 11
[2022-04-18 18:41:41,144 INFO  L226             Difference]: Without dead ends: 0
[2022-04-18 18:41:41,144 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 18:41:41,145 INFO  L913         BasicCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 18:41:41,145 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 3 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 18:41:41,146 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-04-18 18:41:41,146 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-04-18 18:41:41,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,146 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-04-18 18:41:41,146 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7
[2022-04-18 18:41:41,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:41:41,146 INFO  L478      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-04-18 18:41:41,146 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-04-18 18:41:41,147 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-04-18 18:41:41,147 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-18 18:41:41,148 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining)
[2022-04-18 18:41:41,149 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2022-04-18 18:41:41,149 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2022-04-18 18:41:41,149 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining)
[2022-04-18 18:41:41,149 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2022-04-18 18:41:41,149 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2022-04-18 18:41:41,150 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2022-04-18 18:41:41,150 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2022-04-18 18:41:41,150 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2022-04-18 18:41:41,150 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2022-04-18 18:41:41,150 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-04-18 18:41:41,151 INFO  L719         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2022-04-18 18:41:41,154 INFO  L227   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-04-18 18:41:41,154 INFO  L177   ceAbstractionStarter]: Computing trace abstraction results
[2022-04-18 18:41:41,156 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:41:41 BasicIcfg
[2022-04-18 18:41:41,156 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-04-18 18:41:41,156 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-04-18 18:41:41,156 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-04-18 18:41:41,157 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-04-18 18:41:41,157 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:41:38" (3/4) ...
[2022-04-18 18:41:41,158 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-04-18 18:41:41,162 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2022-04-18 18:41:41,165 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2022-04-18 18:41:41,165 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-04-18 18:41:41,165 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-04-18 18:41:41,165 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-04-18 18:41:41,189 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml
[2022-04-18 18:41:41,189 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-04-18 18:41:41,190 INFO  L158              Benchmark]: Toolchain (without parser) took 3703.85ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 115.7MB in the beginning and 83.0MB in the end (delta: 32.7MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB.
[2022-04-18 18:41:41,190 INFO  L158              Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 125.2MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 18:41:41,190 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 372.00ms. Allocated memory is still 155.2MB. Free memory was 115.5MB in the beginning and 119.3MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-04-18 18:41:41,190 INFO  L158              Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 117.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 18:41:41,190 INFO  L158              Benchmark]: Boogie Preprocessor took 24.89ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 116.5MB in the end (delta: 715.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 18:41:41,191 INFO  L158              Benchmark]: RCFGBuilder took 326.14ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 103.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-04-18 18:41:41,191 INFO  L158              Benchmark]: TraceAbstraction took 2874.79ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 103.2MB in the beginning and 86.2MB in the end (delta: 17.1MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB.
[2022-04-18 18:41:41,191 INFO  L158              Benchmark]: Witness Printer took 33.02ms. Allocated memory is still 199.2MB. Free memory was 86.2MB in the beginning and 83.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-04-18 18:41:41,193 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 125.2MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 372.00ms. Allocated memory is still 155.2MB. Free memory was 115.5MB in the beginning and 119.3MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 117.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 24.89ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 116.5MB in the end (delta: 715.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 326.14ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 103.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2874.79ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 103.2MB in the beginning and 86.2MB in the end (delta: 17.1MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB.
 * Witness Printer took 33.02ms. Allocated memory is still 199.2MB. Free memory was 86.2MB in the beginning and 83.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 2.1s, 98 PlacesBefore, 29 PlacesAfterwards, 97 TransitionsBefore, 27 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 3575 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1707, positive: 1496, positive conditional: 0, positive unconditional: 1496, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 954, positive: 908, positive conditional: 0, positive unconditional: 908, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 954, positive: 880, positive conditional: 0, positive unconditional: 880, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 1707, positive: 588, positive conditional: 0, positive unconditional: 588, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 954, unknown conditional: 0, unknown unconditional: 954] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 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
  - PositiveResult [Line: 697]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 700]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 702]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 690]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 688]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 691]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 123 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 33 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-04-18 18:41:41,224 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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