./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version e04fb08f
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-e04fb08
[2022-11-16 12:11:13,402 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-16 12:11:13,408 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-16 12:11:13,440 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-16 12:11:13,442 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-16 12:11:13,446 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-16 12:11:13,448 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-16 12:11:13,456 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-16 12:11:13,459 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-16 12:11:13,461 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-16 12:11:13,463 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-16 12:11:13,466 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-16 12:11:13,466 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-16 12:11:13,472 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-16 12:11:13,473 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-16 12:11:13,475 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-16 12:11:13,477 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-16 12:11:13,478 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-16 12:11:13,480 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-16 12:11:13,483 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-16 12:11:13,486 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-16 12:11:13,488 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-16 12:11:13,491 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-16 12:11:13,492 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-16 12:11:13,500 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-16 12:11:13,502 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-16 12:11:13,503 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-16 12:11:13,504 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-16 12:11:13,505 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-16 12:11:13,507 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-16 12:11:13,507 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-16 12:11:13,508 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-16 12:11:13,511 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-16 12:11:13,513 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-16 12:11:13,514 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-16 12:11:13,514 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-16 12:11:13,515 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-16 12:11:13,515 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-16 12:11:13,515 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-16 12:11:13,516 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-16 12:11:13,517 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-16 12:11:13,518 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-16 12:11:13,562 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-16 12:11:13,562 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-16 12:11:13,563 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-16 12:11:13,563 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-16 12:11:13,564 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-16 12:11:13,564 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-16 12:11:13,565 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-16 12:11:13,565 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-16 12:11:13,565 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-16 12:11:13,566 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-16 12:11:13,566 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-16 12:11:13,566 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-11-16 12:11:13,566 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-16 12:11:13,567 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-16 12:11:13,567 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-16 12:11:13,567 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-16 12:11:13,567 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-16 12:11:13,568 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-16 12:11:13,568 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-11-16 12:11:13,568 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-16 12:11:13,569 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-16 12:11:13,569 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-16 12:11:13,569 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-16 12:11:13,569 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-16 12:11:13,570 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-16 12:11:13,570 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-16 12:11:13,570 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 12:11:13,571 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-16 12:11:13,571 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-16 12:11:13,582 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-16 12:11:13,583 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-16 12:11:13,583 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-16 12:11:13,583 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-16 12:11:13,583 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-16 12:11:13,584 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-16 12:11:13,584 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8
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 -> Automizer
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 -> cb908a7f9df60a2a419557a30ba61167baea262647e714e35178f644d31e1055
[2022-11-16 12:11:13,852 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-16 12:11:13,877 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-16 12:11:13,881 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-16 12:11:13,883 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-16 12:11:13,884 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-16 12:11:13,885 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i
[2022-11-16 12:11:13,956 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952/FLAG4cb7aee83
[2022-11-16 12:11:14,525 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-16 12:11:14,525 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i
[2022-11-16 12:11:14,551 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952/FLAG4cb7aee83
[2022-11-16 12:11:14,779 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/data/350ca8a03/410096e48d9e4c9a855f9addbac45952
[2022-11-16 12:11:14,781 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-16 12:11:14,782 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-16 12:11:14,786 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-16 12:11:14,786 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-16 12:11:14,790 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-16 12:11:14,790 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:14" (1/1) ...
[2022-11-16 12:11:14,792 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79522b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:14, skipping insertion in model container
[2022-11-16 12:11:14,792 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:14" (1/1) ...
[2022-11-16 12:11:14,799 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-16 12:11:14,840 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-16 12:11:15,048 WARN  L229   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-11-16 12:11:15,405 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-16 12:11:15,415 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-16 12:11:15,429 WARN  L229   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/sv-benchmarks/c/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i[969,982]
[2022-11-16 12:11:15,498 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-16 12:11:15,535 INFO  L208         MainTranslator]: Completed translation
[2022-11-16 12:11:15,536 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15 WrapperNode
[2022-11-16 12:11:15,536 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-16 12:11:15,537 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-16 12:11:15,537 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-16 12:11:15,537 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-16 12:11:15,549 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,570 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,609 INFO  L138                Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 490
[2022-11-16 12:11:15,610 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-16 12:11:15,610 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-16 12:11:15,611 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-16 12:11:15,611 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-16 12:11:15,620 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,621 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,628 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,628 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,664 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,687 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,690 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,694 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,701 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-16 12:11:15,701 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-16 12:11:15,702 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-16 12:11:15,702 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-16 12:11:15,715 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (1/1) ...
[2022-11-16 12:11:15,723 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-16 12:11:15,735 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3
[2022-11-16 12:11:15,753 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-16 12:11:15,755 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80aa506b-4c83-4a8f-bb18-0258445aff30/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-16 12:11:15,788 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-16 12:11:15,788 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-16 12:11:15,788 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-16 12:11:15,788 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-16 12:11:15,789 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-16 12:11:15,789 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-16 12:11:15,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-16 12:11:15,789 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-16 12:11:15,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-16 12:11:15,789 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2022-11-16 12:11:15,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2022-11-16 12:11:15,790 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-16 12:11:15,790 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-16 12:11:15,790 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-16 12:11:15,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-16 12:11:15,792 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-16 12:11:16,006 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-16 12:11:16,008 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-16 12:11:17,622 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-16 12:11:43,037 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-16 12:11:43,037 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-16 12:11:43,040 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:43 BoogieIcfgContainer
[2022-11-16 12:11:43,040 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-16 12:11:43,043 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-16 12:11:43,043 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-16 12:11:43,050 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-16 12:11:43,050 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:11:14" (1/3) ...
[2022-11-16 12:11:43,051 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116684e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:43, skipping insertion in model container
[2022-11-16 12:11:43,052 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:15" (2/3) ...
[2022-11-16 12:11:43,052 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116684e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:11:43, skipping insertion in model container
[2022-11-16 12:11:43,052 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:11:43" (3/3) ...
[2022-11-16 12:11:43,054 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix038_power.oepc_pso.oepc_rmo.oepc.i
[2022-11-16 12:11:43,063 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-16 12:11:43,074 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-16 12:11:43,075 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations.
[2022-11-16 12:11:43,075 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-16 12:11:48,134 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-16 12:11:48,210 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 377 places, 369 transitions, 753 flow
[2022-11-16 12:11:50,057 INFO  L130       PetriNetUnfolder]: 2/366 cut-off events.
[2022-11-16 12:11:50,057 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-16 12:11:50,070 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 376 conditions, 366 events. 2/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 1962 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 325. Up to 2 conditions per place. 
[2022-11-16 12:11:50,070 INFO  L82        GeneralOperation]: Start removeDead. Operand has 377 places, 369 transitions, 753 flow
[2022-11-16 12:11:50,089 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 374 places, 366 transitions, 741 flow
[2022-11-16 12:11:50,100 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-16 12:11:50,109 INFO  L357      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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e343088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-16 12:11:50,110 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 462 error locations.
[2022-11-16 12:11:50,124 INFO  L130       PetriNetUnfolder]: 0/48 cut-off events.
[2022-11-16 12:11:50,126 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-16 12:11:50,127 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2022-11-16 12:11:50,129 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-16 12:11:50,131 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 458 more)] ===
[2022-11-16 12:11:50,136 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-16 12:11:50,137 INFO  L85        PathProgramCache]: Analyzing trace with hash 1329835683, now seen corresponding path program 1 times
[2022-11-16 12:11:50,147 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-16 12:11:50,147 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975963741]
[2022-11-16 12:11:50,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-16 12:11:50,149 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-16 12:11:50,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-16 12:11:50,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-16 12:11:50,649 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-16 12:11:50,649 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975963741]
[2022-11-16 12:11:50,650 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975963741] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-16 12:11:50,650 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-16 12:11:50,650 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-16 12:11:50,652 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988256946]
[2022-11-16 12:11:50,652 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-16 12:11:50,661 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-16 12:11:50,661 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-16 12:11:50,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-16 12:11:50,710 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-16 12:11:50,713 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 369
[2022-11-16 12:11:50,717 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 366 transitions, 741 flow. Second operand  has 2 states, 2 states have (on average 101.0) internal successors, (202), 2 states have internal predecessors, (202), 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)
[2022-11-16 12:11:50,717 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-16 12:11:50,718 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 369
[2022-11-16 12:11:50,719 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand