./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.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-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.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 6d67b26c9d6dbfd265b32dfe97063f0b6065a61c5709b8120357b3eaad40bf46
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-efd9311-m
[2022-04-18 19:56:15,674 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-18 19:56:15,676 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-18 19:56:15,730 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-18 19:56:15,731 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-18 19:56:15,732 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-18 19:56:15,733 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-18 19:56:15,736 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-18 19:56:15,737 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-18 19:56:15,741 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-18 19:56:15,742 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-18 19:56:15,744 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-18 19:56:15,744 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-18 19:56:15,746 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-18 19:56:15,747 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-18 19:56:15,750 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-18 19:56:15,750 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-18 19:56:15,752 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-18 19:56:15,753 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-18 19:56:15,758 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-18 19:56:15,760 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-18 19:56:15,761 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-18 19:56:15,762 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-18 19:56:15,762 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-18 19:56:15,764 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-18 19:56:15,770 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-18 19:56:15,770 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-18 19:56:15,770 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-18 19:56:15,771 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-18 19:56:15,772 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-18 19:56:15,773 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-18 19:56:15,773 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-18 19:56:15,774 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-18 19:56:15,774 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-18 19:56:15,775 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-18 19:56:15,775 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-18 19:56:15,775 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-18 19:56:15,777 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-18 19:56:15,777 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-18 19:56:15,777 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-18 19:56:15,778 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-18 19:56:15,779 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-18 19:56:15,780 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2022-04-18 19:56:15,807 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-18 19:56:15,808 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-18 19:56:15,808 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-04-18 19:56:15,808 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-04-18 19:56:15,809 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-04-18 19:56:15,809 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-04-18 19:56:15,809 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-04-18 19:56:15,809 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-04-18 19:56:15,810 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-04-18 19:56:15,810 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-04-18 19:56:15,811 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-04-18 19:56:15,811 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-04-18 19:56:15,811 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-04-18 19:56:15,811 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-04-18 19:56:15,811 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-04-18 19:56:15,811 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-04-18 19:56:15,813 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-04-18 19:56:15,813 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-04-18 19:56:15,814 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-18 19:56:15,814 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-18 19:56:15,814 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-04-18 19:56:15,814 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-18 19:56:15,814 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-18 19:56:15,814 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-18 19:56:15,815 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-18 19:56:15,815 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-18 19:56:15,815 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-18 19:56:15,815 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-04-18 19:56:15,816 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-18 19:56:15,816 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-18 19:56:15,816 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-18 19:56:15,816 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-18 19:56:15,816 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-18 19:56:15,817 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-18 19:56:15,817 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 19:56:15,817 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-18 19:56:15,817 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-04-18 19:56:15,817 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-04-18 19:56:15,817 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-04-18 19:56:15,818 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-04-18 19:56:15,818 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-18 19:56:15,818 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-04-18 19:56:15,818 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-04-18 19:56:15,818 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 -> 6d67b26c9d6dbfd265b32dfe97063f0b6065a61c5709b8120357b3eaad40bf46
[2022-04-18 19:56:16,023 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-18 19:56:16,044 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-18 19:56:16,046 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-18 19:56:16,047 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-18 19:56:16,047 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-18 19:56:16,048 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-04-18 19:56:16,098 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ddd7ab7c/87276e985ee64eb38644e463176203e8/FLAGf9f49cd59
[2022-04-18 19:56:16,567 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-18 19:56:16,568 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-04-18 19:56:16,585 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ddd7ab7c/87276e985ee64eb38644e463176203e8/FLAGf9f49cd59
[2022-04-18 19:56:16,926 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ddd7ab7c/87276e985ee64eb38644e463176203e8
[2022-04-18 19:56:16,928 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-18 19:56:16,929 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-04-18 19:56:16,930 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-18 19:56:16,931 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-18 19:56:16,933 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-18 19:56:16,934 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:56:16" (1/1) ...
[2022-04-18 19:56:16,935 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104af75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:16, skipping insertion in model container
[2022-04-18 19:56:16,935 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:56:16" (1/1) ...
[2022-04-18 19:56:16,940 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-18 19:56:16,968 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-18 19:56:17,127 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-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-04-18 19:56:17,256 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 19:56:17,266 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-18 19:56:17,279 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-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-04-18 19:56:17,332 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 19:56:17,369 INFO  L208         MainTranslator]: Completed translation
[2022-04-18 19:56:17,370 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17 WrapperNode
[2022-04-18 19:56:17,370 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-18 19:56:17,371 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-04-18 19:56:17,371 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-04-18 19:56:17,372 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-04-18 19:56:17,378 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,404 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,430 INFO  L137                Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105
[2022-04-18 19:56:17,431 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-04-18 19:56:17,432 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-18 19:56:17,432 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-18 19:56:17,433 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-18 19:56:17,440 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,440 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,453 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,461 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,466 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,480 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,482 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,484 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-18 19:56:17,485 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-18 19:56:17,485 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-18 19:56:17,485 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-18 19:56:17,487 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (1/1) ...
[2022-04-18 19:56:17,494 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 19:56:17,502 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
[2022-04-18 19:56:17,514 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 19:56:17,521 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 19:56:17,552 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-04-18 19:56:17,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-04-18 19:56:17,553 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-04-18 19:56:17,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-04-18 19:56:17,554 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-04-18 19:56:17,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-04-18 19:56:17,554 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-18 19:56:17,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-04-18 19:56:17,554 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-18 19:56:17,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-18 19:56:17,556 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 19:56:17,708 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-18 19:56:17,710 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-18 19:56:17,917 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-18 19:56:18,030 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-18 19:56:18,030 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-04-18 19:56:18,032 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:56:18 BoogieIcfgContainer
[2022-04-18 19:56:18,032 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-18 19:56:18,034 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-18 19:56:18,034 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-18 19:56:18,037 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-18 19:56:18,038 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:56:16" (1/3) ...
[2022-04-18 19:56:18,038 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4231e4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:56:18, skipping insertion in model container
[2022-04-18 19:56:18,039 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:56:17" (2/3) ...
[2022-04-18 19:56:18,039 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4231e4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:56:18, skipping insertion in model container
[2022-04-18 19:56:18,039 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:56:18" (3/3) ...
[2022-04-18 19:56:18,040 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-04-18 19:56:18,044 WARN  L147   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-04-18 19:56:18,045 INFO  L202   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-04-18 19:56:18,045 INFO  L161   ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2022-04-18 19:56:18,045 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-04-18 19:56:18,118 INFO  L135    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-04-18 19:56:18,156 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 19:56:18,162 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 19:56:18,163 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 42 error locations.
[2022-04-18 19:56:18,173 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 19:56:18,182 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 119 transitions, 253 flow
[2022-04-18 19:56:18,184 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 119 transitions, 253 flow
[2022-04-18 19:56:18,186 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow
[2022-04-18 19:56:18,223 INFO  L129       PetriNetUnfolder]: 2/116 cut-off events.
[2022-04-18 19:56:18,223 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-04-18 19:56:18,227 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 128 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. 
[2022-04-18 19:56:18,230 INFO  L116        LiptonReduction]: Number of co-enabled transitions 4092
[2022-04-18 19:56:23,163 INFO  L131        LiptonReduction]: Checked pairs total: 8333
[2022-04-18 19:56:23,164 INFO  L133        LiptonReduction]: Total number of compositions: 121
[2022-04-18 19:56:23,171 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 44 transitions, 103 flow
[2022-04-18 19:56:23,438 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 8929 states, 6766 states have (on average 4.704256577002661) internal successors, (31829), 8928 states have internal predecessors, (31829), 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 19:56:23,470 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8929 states, 6766 states have (on average 4.704256577002661) internal successors, (31829), 8928 states have internal predecessors, (31829), 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 19:56:23,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-04-18 19:56:23,475 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 19:56:23,475 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1]
[2022-04-18 19:56:23,476 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] ===
[2022-04-18 19:56:23,480 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 19:56:23,480 INFO  L85        PathProgramCache]: Analyzing trace with hash 632708, now seen corresponding path program 1 times
[2022-04-18 19:56:23,488 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 19:56:23,488 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622079854]
[2022-04-18 19:56:23,489 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 19:56:23,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 19:56:23,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 19:56:23,613 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 19:56:23,613 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 19:56:23,614 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622079854]
[2022-04-18 19:56:23,614 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622079854] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 19:56:23,647 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 19:56:23,648 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-04-18 19:56:23,649 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894143947]
[2022-04-18 19:56:23,649 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 19:56:23,653 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-04-18 19:56:23,653 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 19:56:23,674 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-04-18 19:56:23,675 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 19:56:23,697 INFO  L87              Difference]: Start difference. First operand  has 8929 states, 6766 states have (on average 4.704256577002661) internal successors, (31829), 8928 states have internal predecessors, (31829), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 19:56:23,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 19:56:23,754 INFO  L93              Difference]: Finished difference Result 233 states and 652 transitions.
[2022-04-18 19:56:23,755 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-04-18 19:56:23,756 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3
[2022-04-18 19:56:23,757 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 19:56:23,761 INFO  L225             Difference]: With dead ends: 233
[2022-04-18 19:56:23,761 INFO  L226             Difference]: Without dead ends: 0
[2022-04-18 19:56:23,762 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 19:56:23,766 INFO  L913         BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-04-18 19:56:23,767 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-04-18 19:56:23,781 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-04-18 19:56:23,784 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-04-18 19:56:23,785 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 19:56:23,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-04-18 19:56:23,786 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3
[2022-04-18 19:56:23,786 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 19:56:23,787 INFO  L478      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-04-18 19:56:23,787 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 19:56:23,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-04-18 19:56:23,788 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-04-18 19:56:23,790 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining)
[2022-04-18 19:56:23,790 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining)
[2022-04-18 19:56:23,793 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining)
[2022-04-18 19:56:23,794 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining)
[2022-04-18 19:56:23,795 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining)
[2022-04-18 19:56:23,795 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining)
[2022-04-18 19:56:23,795 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining)
[2022-04-18 19:56:23,796 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining)
[2022-04-18 19:56:23,796 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining)
[2022-04-18 19:56:23,798 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining)
[2022-04-18 19:56:23,799 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining)
[2022-04-18 19:56:23,799 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining)
[2022-04-18 19:56:23,800 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining)
[2022-04-18 19:56:23,801 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining)
[2022-04-18 19:56:23,801 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining)
[2022-04-18 19:56:23,801 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining)
[2022-04-18 19:56:23,802 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining)
[2022-04-18 19:56:23,802 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining)
[2022-04-18 19:56:23,807 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining)
[2022-04-18 19:56:23,807 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining)
[2022-04-18 19:56:23,807 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining)
[2022-04-18 19:56:23,807 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining)
[2022-04-18 19:56:23,807 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining)
[2022-04-18 19:56:23,808 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining)
[2022-04-18 19:56:23,808 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining)
[2022-04-18 19:56:23,809 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining)
[2022-04-18 19:56:23,809 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 42 remaining)
[2022-04-18 19:56:23,809 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining)
[2022-04-18 19:56:23,810 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining)
[2022-04-18 19:56:23,810 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining)
[2022-04-18 19:56:23,810 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining)
[2022-04-18 19:56:23,810 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining)
[2022-04-18 19:56:23,810 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining)
[2022-04-18 19:56:23,811 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining)
[2022-04-18 19:56:23,811 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining)
[2022-04-18 19:56:23,811 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining)
[2022-04-18 19:56:23,811 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining)
[2022-04-18 19:56:23,811 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining)
[2022-04-18 19:56:23,812 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining)
[2022-04-18 19:56:23,812 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining)
[2022-04-18 19:56:23,812 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining)
[2022-04-18 19:56:23,812 INFO  L788   garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining)
[2022-04-18 19:56:23,813 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-04-18 19:56:23,815 INFO  L719         BasicCegarLoop]: Path program histogram: [1]
[2022-04-18 19:56:23,819 INFO  L227   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-04-18 19:56:23,820 INFO  L177   ceAbstractionStarter]: Computing trace abstraction results
[2022-04-18 19:56:23,824 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:56:23 BasicIcfg
[2022-04-18 19:56:23,824 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-04-18 19:56:23,826 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-04-18 19:56:23,826 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-04-18 19:56:23,826 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-04-18 19:56:23,827 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:56:18" (3/4) ...
[2022-04-18 19:56:23,829 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-04-18 19:56:23,833 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-04-18 19:56:23,833 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-04-18 19:56:23,833 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-04-18 19:56:23,839 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges
[2022-04-18 19:56:23,839 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges
[2022-04-18 19:56:23,840 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-04-18 19:56:23,840 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-04-18 19:56:23,880 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml
[2022-04-18 19:56:23,881 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-04-18 19:56:23,881 INFO  L158              Benchmark]: Toolchain (without parser) took 6952.03ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 78.6MB in the beginning and 113.9MB in the end (delta: -35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,882 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-04-18 19:56:23,882 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 439.91ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 78.3MB in the beginning and 113.0MB in the end (delta: -34.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,882 INFO  L158              Benchmark]: Boogie Procedure Inliner took 60.14ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 110.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,883 INFO  L158              Benchmark]: Boogie Preprocessor took 52.43ms. Allocated memory is still 148.9MB. Free memory was 110.8MB in the beginning and 109.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,883 INFO  L158              Benchmark]: RCFGBuilder took 547.34ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 120.3MB in the end (delta: -11.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,883 INFO  L158              Benchmark]: TraceAbstraction took 5790.09ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 120.3MB in the beginning and 118.1MB in the end (delta: 2.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,884 INFO  L158              Benchmark]: Witness Printer took 54.66ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 113.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-04-18 19:56:23,885 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 439.91ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 78.3MB in the beginning and 113.0MB in the end (delta: -34.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 60.14ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 110.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 52.43ms. Allocated memory is still 148.9MB. Free memory was 110.8MB in the beginning and 109.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 547.34ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 120.3MB in the end (delta: -11.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5790.09ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 120.3MB in the beginning and 118.1MB in the end (delta: 2.2MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB.
 * Witness Printer took 54.66ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 113.9MB in the end (delta: 4.2MB). 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: 5.0s, 127 PlacesBefore, 54 PlacesAfterwards, 119 TransitionsBefore, 44 TransitionsAfterwards, 4092 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 90 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 121 TotalNumberOfCompositions, 8333 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6084, positive: 5974, positive conditional: 0, positive unconditional: 5974, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3163, positive: 3125, positive conditional: 0, positive unconditional: 3125, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3163, positive: 2748, positive conditional: 0, positive unconditional: 2748, negative: 415, negative conditional: 0, negative unconditional: 415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 415, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 395, positive: 232, positive conditional: 0, positive unconditional: 232, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 6084, positive: 2849, positive conditional: 0, positive unconditional: 2849, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 3163, unknown conditional: 0, unknown unconditional: 3163] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 203, Positive conditional cache size: 0, Positive unconditional cache size: 203, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13
  - 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: 725]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 725]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 728]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 733]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 733]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 740]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 740]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 743]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 748]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 748]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 755]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 755]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 758]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 763]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 763]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 785]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 785]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 787]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 791]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 791]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 791]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 791]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 791]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 793]: 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 7 procedures, 157 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8929occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
    24 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-04-18 19:56:23,927 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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