./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.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/pthread/bigshot_p.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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-efd9311-m
[2022-04-18 20:12:48,403 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-18 20:12:48,405 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-18 20:12:48,443 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-18 20:12:48,444 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-18 20:12:48,445 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-18 20:12:48,446 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-18 20:12:48,448 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-18 20:12:48,449 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-18 20:12:48,452 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-18 20:12:48,453 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-18 20:12:48,457 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-18 20:12:48,458 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-18 20:12:48,477 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-18 20:12:48,478 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-18 20:12:48,479 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-18 20:12:48,479 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-18 20:12:48,480 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-18 20:12:48,481 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-18 20:12:48,482 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-18 20:12:48,483 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-18 20:12:48,483 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-18 20:12:48,484 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-18 20:12:48,484 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-18 20:12:48,485 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-18 20:12:48,487 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-18 20:12:48,487 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-18 20:12:48,487 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-18 20:12:48,494 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-18 20:12:48,495 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-18 20:12:48,496 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-18 20:12:48,496 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-18 20:12:48,497 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-18 20:12:48,498 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-18 20:12:48,498 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-18 20:12:48,507 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-18 20:12:48,507 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-18 20:12:48,508 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-18 20:12:48,508 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-18 20:12:48,508 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-18 20:12:48,509 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-18 20:12:48,511 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-18 20:12:48,512 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2022-04-18 20:12:48,554 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-18 20:12:48,554 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-18 20:12:48,555 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-04-18 20:12:48,555 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-04-18 20:12:48,555 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-04-18 20:12:48,555 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-04-18 20:12:48,556 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-04-18 20:12:48,556 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-04-18 20:12:48,556 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-04-18 20:12:48,556 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-04-18 20:12:48,557 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-04-18 20:12:48,557 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-04-18 20:12:48,558 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-18 20:12:48,559 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-18 20:12:48,560 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-04-18 20:12:48,560 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-18 20:12:48,560 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-18 20:12:48,560 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-18 20:12:48,560 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-18 20:12:48,560 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 20:12:48,561 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-04-18 20:12:48,561 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-04-18 20:12:48,562 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-18 20:12:48,562 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-04-18 20:12:48,562 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-04-18 20:12:48,562 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 -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54
[2022-04-18 20:12:48,723 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-18 20:12:48,746 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-18 20:12:48,747 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-18 20:12:48,748 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-18 20:12:48,749 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-18 20:12:48,750 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i
[2022-04-18 20:12:48,803 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/20d9879fb/87915e5228004efa937ba8203bf16dd4/FLAG06b4148ac
[2022-04-18 20:12:49,267 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-18 20:12:49,276 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i
[2022-04-18 20:12:49,289 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/20d9879fb/87915e5228004efa937ba8203bf16dd4/FLAG06b4148ac
[2022-04-18 20:12:49,590 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/20d9879fb/87915e5228004efa937ba8203bf16dd4
[2022-04-18 20:12:49,592 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-18 20:12:49,594 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-04-18 20:12:49,595 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-18 20:12:49,596 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-18 20:12:49,598 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-18 20:12:49,598 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:49" (1/1) ...
[2022-04-18 20:12:49,600 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fad2a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:49, skipping insertion in model container
[2022-04-18 20:12:49,600 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:12:49" (1/1) ...
[2022-04-18 20:12:49,605 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-18 20:12:49,638 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-18 20:12:49,898 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i[55202,55215]
[2022-04-18 20:12:49,914 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 20:12:49,924 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-18 20:12:49,955 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i[55202,55215]
[2022-04-18 20:12:49,960 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 20:12:50,001 INFO  L208         MainTranslator]: Completed translation
[2022-04-18 20:12:50,002 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50 WrapperNode
[2022-04-18 20:12:50,002 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-18 20:12:50,003 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-04-18 20:12:50,003 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-04-18 20:12:50,003 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-04-18 20:12:50,009 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,022 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,038 INFO  L137                Inliner]: procedures = 324, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98
[2022-04-18 20:12:50,039 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-04-18 20:12:50,040 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-18 20:12:50,040 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-18 20:12:50,040 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-18 20:12:50,045 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,045 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,048 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,048 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,054 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,056 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,057 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,059 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-18 20:12:50,060 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-18 20:12:50,060 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-18 20:12:50,060 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-18 20:12:50,061 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (1/1) ...
[2022-04-18 20:12:50,079 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 20:12:50,086 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
[2022-04-18 20:12:50,129 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 20:12:50,162 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 20:12:50,194 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-04-18 20:12:50,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-04-18 20:12:50,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-18 20:12:50,195 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-04-18 20:12:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-18 20:12:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-18 20:12:50,196 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-18 20:12:50,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-18 20:12:50,197 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 20:12:50,315 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-18 20:12:50,316 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-18 20:12:50,484 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-18 20:12:50,489 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-18 20:12:50,489 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-04-18 20:12:50,491 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:50 BoogieIcfgContainer
[2022-04-18 20:12:50,491 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-18 20:12:50,492 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-18 20:12:50,492 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-18 20:12:50,494 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-18 20:12:50,494 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:12:49" (1/3) ...
[2022-04-18 20:12:50,495 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b2a71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:50, skipping insertion in model container
[2022-04-18 20:12:50,495 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:12:50" (2/3) ...
[2022-04-18 20:12:50,495 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b2a71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:12:50, skipping insertion in model container
[2022-04-18 20:12:50,495 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:50" (3/3) ...
[2022-04-18 20:12:50,496 INFO  L111   eAbstractionObserver]: Analyzing ICFG bigshot_p.i
[2022-04-18 20:12:50,499 WARN  L147   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-04-18 20:12:50,499 INFO  L202   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-04-18 20:12:50,499 INFO  L161   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2022-04-18 20:12:50,500 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-04-18 20:12:50,541 INFO  L135    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-04-18 20:12:50,575 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 20:12:50,580 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 20:12:50,580 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2022-04-18 20:12:50,588 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 20:12:50,596 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 121 transitions, 258 flow
[2022-04-18 20:12:50,601 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 121 transitions, 258 flow
[2022-04-18 20:12:50,603 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 123 places, 121 transitions, 258 flow
[2022-04-18 20:12:50,633 INFO  L129       PetriNetUnfolder]: 5/119 cut-off events.
[2022-04-18 20:12:50,633 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-04-18 20:12:50,636 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 128 conditions, 119 events. 5/119 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 142 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. 
[2022-04-18 20:12:50,638 INFO  L116        LiptonReduction]: Number of co-enabled transitions 2084
[2022-04-18 20:12:53,279 INFO  L131        LiptonReduction]: Checked pairs total: 4684
[2022-04-18 20:12:53,280 INFO  L133        LiptonReduction]: Total number of compositions: 116
[2022-04-18 20:12:53,285 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 84 flow
[2022-04-18 20:12:53,308 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 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 20:12:53,310 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 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 20:12:53,313 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-04-18 20:12:53,313 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 20:12:53,314 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-04-18 20:12:53,314 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2022-04-18 20:12:53,317 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 20:12:53,317 INFO  L85        PathProgramCache]: Analyzing trace with hash 428716804, now seen corresponding path program 1 times
[2022-04-18 20:12:53,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 20:12:53,323 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796878853]
[2022-04-18 20:12:53,323 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 20:12:53,324 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 20:12:53,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 20:12:53,424 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 20:12:53,425 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 20:12:53,425 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796878853]
[2022-04-18 20:12:53,426 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796878853] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 20:12:53,426 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 20:12:53,426 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-04-18 20:12:53,427 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727837478]
[2022-04-18 20:12:53,427 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 20:12:53,430 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-04-18 20:12:53,430 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 20:12:53,442 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-04-18 20:12:53,443 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 20:12:53,446 INFO  L87              Difference]: Start difference. First operand  has 249 states, 232 states have (on average 2.7198275862068964) internal successors, (631), 248 states have internal predecessors, (631), 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 5.0) internal successors, (5), 2 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 20:12:53,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 20:12:53,488 INFO  L93              Difference]: Finished difference Result 169 states and 391 transitions.
[2022-04-18 20:12:53,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-04-18 20:12:53,490 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 20:12:53,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 20:12:53,505 INFO  L225             Difference]: With dead ends: 169
[2022-04-18 20:12:53,505 INFO  L226             Difference]: Without dead ends: 152
[2022-04-18 20:12:53,506 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 20:12:53,509 INFO  L913         BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 20:12:53,512 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 20:12:53,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2022-04-18 20:12:53,562 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152.
[2022-04-18 20:12:53,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 152 states, 147 states have (on average 2.3537414965986394) internal successors, (346), 151 states have internal predecessors, (346), 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 20:12:53,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 346 transitions.
[2022-04-18 20:12:53,570 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 346 transitions. Word has length 5
[2022-04-18 20:12:53,571 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 20:12:53,571 INFO  L478      AbstractCegarLoop]: Abstraction has 152 states and 346 transitions.
[2022-04-18 20:12:53,571 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 20:12:53,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 346 transitions.
[2022-04-18 20:12:53,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-04-18 20:12:53,572 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 20:12:53,572 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-04-18 20:12:53,573 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-04-18 20:12:53,573 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2022-04-18 20:12:53,576 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 20:12:53,576 INFO  L85        PathProgramCache]: Analyzing trace with hash 405316742, now seen corresponding path program 1 times
[2022-04-18 20:12:53,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 20:12:53,577 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954509356]
[2022-04-18 20:12:53,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 20:12:53,578 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 20:12:53,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 20:12:53,652 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 20:12:53,652 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 20:12:53,653 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954509356]
[2022-04-18 20:12:53,653 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954509356] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 20:12:53,662 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 20:12:53,663 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 20:12:53,663 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863665905]
[2022-04-18 20:12:53,663 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 20:12:53,664 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 20:12:53,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 20:12:53,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 20:12:53,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 20:12:53,666 INFO  L87              Difference]: Start difference. First operand 152 states and 346 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:53,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 20:12:53,716 INFO  L93              Difference]: Finished difference Result 188 states and 416 transitions.
[2022-04-18 20:12:53,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 20:12:53,717 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2022-04-18 20:12:53,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 20:12:53,718 INFO  L225             Difference]: With dead ends: 188
[2022-04-18 20:12:53,718 INFO  L226             Difference]: Without dead ends: 158
[2022-04-18 20:12:53,719 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 20:12:53,719 INFO  L913         BasicCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 20:12:53,720 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 8 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 20:12:53,721 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2022-04-18 20:12:53,726 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 134.
[2022-04-18 20:12:53,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 134 states, 129 states have (on average 2.302325581395349) internal successors, (297), 133 states have internal predecessors, (297), 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 20:12:53,727 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 297 transitions.
[2022-04-18 20:12:53,727 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 297 transitions. Word has length 6
[2022-04-18 20:12:53,727 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 20:12:53,727 INFO  L478      AbstractCegarLoop]: Abstraction has 134 states and 297 transitions.
[2022-04-18 20:12:53,728 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:53,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 297 transitions.
[2022-04-18 20:12:53,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-04-18 20:12:53,728 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 20:12:53,728 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-04-18 20:12:53,729 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-04-18 20:12:53,729 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2022-04-18 20:12:53,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 20:12:53,730 INFO  L85        PathProgramCache]: Analyzing trace with hash 405615110, now seen corresponding path program 1 times
[2022-04-18 20:12:53,730 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 20:12:53,730 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930310410]
[2022-04-18 20:12:53,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 20:12:53,730 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 20:12:53,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 20:12:53,763 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 20:12:53,764 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 20:12:53,764 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930310410]
[2022-04-18 20:12:53,764 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930310410] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 20:12:53,764 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 20:12:53,764 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 20:12:53,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321319486]
[2022-04-18 20:12:53,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 20:12:53,765 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-04-18 20:12:53,765 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 20:12:53,766 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-04-18 20:12:53,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-04-18 20:12:53,766 INFO  L87              Difference]: Start difference. First operand 134 states and 297 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:53,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 20:12:53,809 INFO  L93              Difference]: Finished difference Result 134 states and 288 transitions.
[2022-04-18 20:12:53,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-04-18 20:12:53,810 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2022-04-18 20:12:53,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 20:12:53,811 INFO  L225             Difference]: With dead ends: 134
[2022-04-18 20:12:53,811 INFO  L226             Difference]: Without dead ends: 102
[2022-04-18 20:12:53,811 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 20:12:53,812 INFO  L913         BasicCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 20:12:53,813 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 10 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 20:12:53,814 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2022-04-18 20:12:53,817 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2022-04-18 20:12:53,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 99 states have (on average 2.0202020202020203) internal successors, (200), 101 states have internal predecessors, (200), 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 20:12:53,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 200 transitions.
[2022-04-18 20:12:53,818 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 200 transitions. Word has length 6
[2022-04-18 20:12:53,818 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 20:12:53,818 INFO  L478      AbstractCegarLoop]: Abstraction has 102 states and 200 transitions.
[2022-04-18 20:12:53,819 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:12:53,819 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions.
[2022-04-18 20:12:53,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-04-18 20:12:53,819 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 20:12:53,820 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-18 20:12:53,820 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-04-18 20:12:53,820 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2022-04-18 20:12:53,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 20:12:53,821 INFO  L85        PathProgramCache]: Analyzing trace with hash 1641812244, now seen corresponding path program 1 times
[2022-04-18 20:12:53,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 20:12:53,821 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654962296]
[2022-04-18 20:12:53,821 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 20:12:53,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 20:12:53,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 20:12:53,868 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-04-18 20:12:53,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 20:12:53,905 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2022-04-18 20:12:53,906 INFO  L618         BasicCegarLoop]: Counterexample is feasible
[2022-04-18 20:12:53,907 INFO  L788   garLoopResultBuilder]: Registering result UNSAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining)
[2022-04-18 20:12:53,908 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining)
[2022-04-18 20:12:53,908 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining)
[2022-04-18 20:12:53,908 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining)
[2022-04-18 20:12:53,908 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining)
[2022-04-18 20:12:53,909 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining)
[2022-04-18 20:12:53,910 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining)
[2022-04-18 20:12:53,910 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining)
[2022-04-18 20:12:53,910 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-04-18 20:12:53,911 INFO  L719         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-04-18 20:12:53,915 INFO  L227   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-04-18 20:12:53,915 INFO  L177   ceAbstractionStarter]: Computing trace abstraction results
[2022-04-18 20:12:53,921 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,922 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,922 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,922 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,923 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,923 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,923 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,923 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,947 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:12:53 BasicIcfg
[2022-04-18 20:12:53,947 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-04-18 20:12:53,948 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-04-18 20:12:53,948 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-04-18 20:12:53,948 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-04-18 20:12:53,948 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:12:50" (3/4) ...
[2022-04-18 20:12:53,950 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2022-04-18 20:12:53,950 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-04-18 20:12:53,950 INFO  L158              Benchmark]: Toolchain (without parser) took 4356.59ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 78.1MB in the beginning and 48.9MB in the end (delta: 29.1MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,951 INFO  L158              Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 20:12:53,951 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 406.77ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 45.7MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,951 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.05ms. Allocated memory is still 107.0MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,951 INFO  L158              Benchmark]: Boogie Preprocessor took 19.90ms. Allocated memory is still 107.0MB. Free memory was 43.1MB in the beginning and 41.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,952 INFO  L158              Benchmark]: RCFGBuilder took 430.93ms. Allocated memory is still 107.0MB. Free memory was 41.3MB in the beginning and 77.2MB in the end (delta: -35.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,952 INFO  L158              Benchmark]: TraceAbstraction took 3455.34ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 76.9MB in the beginning and 50.0MB in the end (delta: 26.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB.
[2022-04-18 20:12:53,952 INFO  L158              Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 130.0MB. Free memory was 50.0MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 20:12:53,953 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 406.77ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 45.7MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.05ms. Allocated memory is still 107.0MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 19.90ms. Allocated memory is still 107.0MB. Free memory was 43.1MB in the beginning and 41.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 430.93ms. Allocated memory is still 107.0MB. Free memory was 41.3MB in the beginning and 77.2MB in the end (delta: -35.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 3455.34ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 76.9MB in the beginning and 50.0MB in the end (delta: 26.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB.
 * Witness Printer took 2.38ms. Allocated memory is still 130.0MB. Free memory was 50.0MB in the beginning and 48.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 2.7s, 123 PlacesBefore, 38 PlacesAfterwards, 121 TransitionsBefore, 34 TransitionsAfterwards, 2084 CoEnabledTransitionPairs, 6 FixpointIterations, 53 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 116 TotalNumberOfCompositions, 4684 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2774, positive: 2572, positive conditional: 0, positive unconditional: 2572, negative: 202, negative conditional: 0, negative unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1515, positive: 1464, positive conditional: 0, positive unconditional: 1464, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1515, positive: 1462, positive conditional: 0, positive unconditional: 1462, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 2774, positive: 1108, positive conditional: 0, positive unconditional: 1108, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 1515, unknown conditional: 0, unknown unconditional: 1515] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24
  - 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
  - DataRaceFoundResult [Line: 1116]: Data race detected
[2022-04-18 20:12:53,961 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,961 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,962 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,962 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,962 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,962 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,963 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,963 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,968 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,968 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,969 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,969 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,969 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,969 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,970 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
[2022-04-18 20:12:53,970 WARN  L418   cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled
    Data race detected
The following path leads to a data race: 
[L1108]               0  char *v;
[L1121]               0  pthread_t t1, t2;
[L1122]  FCALL, FORK  0  pthread_create(&t1, 0, thread1, 0)
         VAL             [pthread_create(&t1, 0, thread1, 0)=-2, t1={5:0}, t2={6:0}, v={0:0}]
[L1123]  FCALL, FORK  0  pthread_create(&t2, 0, thread2, 0)
         VAL             [pthread_create(&t2, 0, thread2, 0)=-1, t1={5:0}, t2={6:0}, v={0:0}]
[L1116]               2  \read(*v)
         VAL             [arg={0:0}, arg={0:0}, v={0:0}]
[L1111]  EXPR, FCALL  1  calloc(8, sizeof(char))
[L1111]               1  v = calloc(8, sizeof(char))
         VAL             [arg={0:0}, arg={0:0}, calloc(8, sizeof(char))={-3:0}, v={-3:0}, v = calloc(8, sizeof(char))=49]
[L1116]               2  \read(*v)
         VAL             [arg={0:0}, arg={0:0}, v={-3:0}]

Now there is a data race on ~v~0 between 
	C: v = calloc(8, sizeof(char)) [1111]
and
	C: if (v) strcpy(v, "Bigshot"); [1116]

  - UnprovableResult [Line: 1111]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1116]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1124]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1125]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1126]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1126]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1126]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1123]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1122]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 158 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 21 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-04-18 20:12:54,001 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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE