./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.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/mix021_power.oepc_pso.oepc_rmo.oepc.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 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-efd9311-m
[2022-04-18 19:29:10,733 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-18 19:29:10,735 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-18 19:29:10,768 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-18 19:29:10,771 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-18 19:29:10,773 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-18 19:29:10,775 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-18 19:29:10,777 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-18 19:29:10,778 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-18 19:29:10,779 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-18 19:29:10,780 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-18 19:29:10,781 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-18 19:29:10,781 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-18 19:29:10,782 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-18 19:29:10,783 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-18 19:29:10,784 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-18 19:29:10,786 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-18 19:29:10,788 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-18 19:29:10,789 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-18 19:29:10,791 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-18 19:29:10,792 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-18 19:29:10,793 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-18 19:29:10,793 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-18 19:29:10,794 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-18 19:29:10,795 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-18 19:29:10,797 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-18 19:29:10,797 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-18 19:29:10,798 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-18 19:29:10,798 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-18 19:29:10,799 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-18 19:29:10,800 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-18 19:29:10,800 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-18 19:29:10,801 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-18 19:29:10,802 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-18 19:29:10,803 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-18 19:29:10,804 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-18 19:29:10,804 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-18 19:29:10,804 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-18 19:29:10,805 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-18 19:29:10,805 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-18 19:29:10,805 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-18 19:29:10,806 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-18 19:29:10,807 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2022-04-18 19:29:10,824 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-18 19:29:10,825 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-18 19:29:10,825 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-04-18 19:29:10,825 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-04-18 19:29:10,826 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-04-18 19:29:10,826 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-04-18 19:29:10,826 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-04-18 19:29:10,826 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-04-18 19:29:10,827 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-04-18 19:29:10,827 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-04-18 19:29:10,827 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-04-18 19:29:10,827 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-04-18 19:29:10,827 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-04-18 19:29:10,828 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-04-18 19:29:10,828 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-04-18 19:29:10,828 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-04-18 19:29:10,828 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-04-18 19:29:10,828 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-04-18 19:29:10,829 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-18 19:29:10,829 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-18 19:29:10,829 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-04-18 19:29:10,829 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-18 19:29:10,830 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-04-18 19:29:10,831 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-18 19:29:10,831 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-18 19:29:10,831 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-18 19:29:10,831 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-18 19:29:10,831 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-18 19:29:10,832 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-18 19:29:10,832 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 19:29:10,832 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-18 19:29:10,832 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-04-18 19:29:10,832 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-04-18 19:29:10,833 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-04-18 19:29:10,833 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-04-18 19:29:10,833 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-18 19:29:10,833 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-04-18 19:29:10,833 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-04-18 19:29:10,833 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 -> 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc
[2022-04-18 19:29:11,040 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-18 19:29:11,059 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-18 19:29:11,062 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-18 19:29:11,063 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-18 19:29:11,063 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-18 19:29:11,064 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i
[2022-04-18 19:29:11,132 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1d8ed0724/f8e31ebf3f674282816182363200457d/FLAG511e91959
[2022-04-18 19:29:11,511 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-18 19:29:11,518 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i
[2022-04-18 19:29:11,536 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1d8ed0724/f8e31ebf3f674282816182363200457d/FLAG511e91959
[2022-04-18 19:29:11,882 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1d8ed0724/f8e31ebf3f674282816182363200457d
[2022-04-18 19:29:11,884 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-18 19:29:11,885 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-04-18 19:29:11,889 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-18 19:29:11,889 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-18 19:29:11,892 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-18 19:29:11,892 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:29:11" (1/1) ...
[2022-04-18 19:29:11,893 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15752b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:11, skipping insertion in model container
[2022-04-18 19:29:11,893 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:29:11" (1/1) ...
[2022-04-18 19:29:11,899 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-18 19:29:11,960 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-18 19:29:12,102 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/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-04-18 19:29:12,313 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 19:29:12,322 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-18 19:29:12,333 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/mix021_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-04-18 19:29:12,415 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 19:29:12,445 INFO  L208         MainTranslator]: Completed translation
[2022-04-18 19:29:12,445 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12 WrapperNode
[2022-04-18 19:29:12,445 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-18 19:29:12,446 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-04-18 19:29:12,446 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-04-18 19:29:12,447 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-04-18 19:29:12,453 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,475 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,536 INFO  L137                Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 516
[2022-04-18 19:29:12,536 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-04-18 19:29:12,537 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-18 19:29:12,537 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-18 19:29:12,537 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-18 19:29:12,551 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,551 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,561 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,563 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,583 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,590 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,593 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,600 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-18 19:29:12,602 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-18 19:29:12,602 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-18 19:29:12,606 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-18 19:29:12,607 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (1/1) ...
[2022-04-18 19:29:12,627 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 19:29:12,634 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
[2022-04-18 19:29:12,644 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 19:29:12,647 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 19:29:12,671 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-18 19:29:12,671 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-04-18 19:29:12,671 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-18 19:29:12,672 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-04-18 19:29:12,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-18 19:29:12,672 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-04-18 19:29:12,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-04-18 19:29:12,672 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-04-18 19:29:12,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-04-18 19:29:12,672 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-04-18 19:29:12,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-04-18 19:29:12,673 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2022-04-18 19:29:12,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2022-04-18 19:29:12,673 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-18 19:29:12,673 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-04-18 19:29:12,673 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-18 19:29:12,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-18 19:29:12,675 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 19:29:12,817 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-18 19:29:12,819 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-18 19:29:14,002 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-18 19:29:49,278 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-18 19:29:49,279 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-04-18 19:29:49,282 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:29:49 BoogieIcfgContainer
[2022-04-18 19:29:49,282 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-18 19:29:49,284 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-18 19:29:49,284 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-18 19:29:49,287 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-18 19:29:49,287 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:29:11" (1/3) ...
[2022-04-18 19:29:49,288 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228878e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:29:49, skipping insertion in model container
[2022-04-18 19:29:49,288 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:29:12" (2/3) ...
[2022-04-18 19:29:49,288 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228878e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:29:49, skipping insertion in model container
[2022-04-18 19:29:49,288 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:29:49" (3/3) ...
[2022-04-18 19:29:49,289 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix021_power.oepc_pso.oepc_rmo.oepc.i
[2022-04-18 19:29:49,293 WARN  L147   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-04-18 19:29:49,293 INFO  L202   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-04-18 19:29:49,294 INFO  L161   ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations.
[2022-04-18 19:29:49,294 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-04-18 19:29:55,152 INFO  L135    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-04-18 19:29:55,184 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 19:29:55,189 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 19:29:55,189 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 530 error locations.
[2022-04-18 19:29:55,203 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 19:29:55,214 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 421 transitions, 862 flow
[2022-04-18 19:29:55,216 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 421 transitions, 862 flow
[2022-04-18 19:29:55,217 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 432 places, 421 transitions, 862 flow
[2022-04-18 19:29:55,786 INFO  L129       PetriNetUnfolder]: 2/417 cut-off events.
[2022-04-18 19:29:55,795 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-04-18 19:29:55,812 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 430 conditions, 417 events. 2/417 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2382 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 376. Up to 2 conditions per place. 
[2022-04-18 19:29:55,855 INFO  L116        LiptonReduction]: Number of co-enabled transitions 94932