./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 839c364b
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3b-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b
--- Real Ultimate output ---
This is Ultimate 0.2.2-hotfix-svcomp22-839c364
[2021-11-25 04:33:17,737 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-25 04:33:17,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-25 04:33:17,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-25 04:33:17,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-25 04:33:17,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-25 04:33:17,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-25 04:33:17,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-25 04:33:17,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-25 04:33:17,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-25 04:33:17,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-25 04:33:17,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-25 04:33:17,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-25 04:33:17,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-25 04:33:17,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-25 04:33:17,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-25 04:33:17,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-25 04:33:17,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-25 04:33:17,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-25 04:33:17,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-25 04:33:17,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-25 04:33:17,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-25 04:33:17,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-25 04:33:17,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-25 04:33:17,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-25 04:33:17,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-25 04:33:17,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-25 04:33:17,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-25 04:33:17,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-25 04:33:17,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-25 04:33:17,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-25 04:33:17,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-25 04:33:17,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-25 04:33:17,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-25 04:33:17,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-25 04:33:17,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-25 04:33:17,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-25 04:33:17,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-25 04:33:17,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-25 04:33:17,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-25 04:33:17,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-25 04:33:17,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-DataRace-32bit-GemCutter_Default.epf
[2021-11-25 04:33:17,920 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-25 04:33:17,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-25 04:33:17,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-25 04:33:17,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-25 04:33:17,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-25 04:33:17,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-25 04:33:17,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-25 04:33:17,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-25 04:33:17,924 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-25 04:33:17,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-25 04:33:17,925 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-25 04:33:17,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-25 04:33:17,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-25 04:33:17,925 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-25 04:33:17,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-25 04:33:17,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-25 04:33:17,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-25 04:33:17,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-25 04:33:17,927 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2021-11-25 04:33:17,927 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-25 04:33:17,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-25 04:33:17,928 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-25 04:33:17,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-25 04:33:17,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-25 04:33:17,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-25 04:33:17,929 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-11-25 04:33:17,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-25 04:33:17,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:33:17,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-25 04:33:17,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-25 04:33:17,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-25 04:33:17,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-25 04:33:17,931 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-11-25 04:33:17,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-25 04:33:17,931 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-25 04:33:17,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-25 04:33:17,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-25 04:33:17,932 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-25 04:33:17,933 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-25 04:33:17,933 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_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b
[2021-11-25 04:33:18,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-25 04:33:18,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-25 04:33:18,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-25 04:33:18,298 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-25 04:33:18,299 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-25 04:33:18,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/ldv-races/race-1_3b-join.i
[2021-11-25 04:33:18,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/data/d5888c7c9/289bb7f2362f46cfbf0f82b430935240/FLAG76e538cc0
[2021-11-25 04:33:19,197 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-25 04:33:19,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/sv-benchmarks/c/ldv-races/race-1_3b-join.i
[2021-11-25 04:33:19,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/data/d5888c7c9/289bb7f2362f46cfbf0f82b430935240/FLAG76e538cc0
[2021-11-25 04:33:19,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/data/d5888c7c9/289bb7f2362f46cfbf0f82b430935240
[2021-11-25 04:33:19,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-25 04:33:19,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-25 04:33:19,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-25 04:33:19,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-25 04:33:19,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-25 04:33:19,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:19" (1/1) ...
[2021-11-25 04:33:19,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b56221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:19, skipping insertion in model container
[2021-11-25 04:33:19,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:19" (1/1) ...
[2021-11-25 04:33:19,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-25 04:33:19,489 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-25 04:33:20,335 WARN L230 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_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/sv-benchmarks/c/ldv-races/race-1_3b-join.i[76069,76082]
[2021-11-25 04:33:20,370 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:33:20,386 INFO L203 MainTranslator]: Completed pre-run
[2021-11-25 04:33:20,459 WARN L230 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_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/sv-benchmarks/c/ldv-races/race-1_3b-join.i[76069,76082]
[2021-11-25 04:33:20,471 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:33:20,597 INFO L208 MainTranslator]: Completed translation
[2021-11-25 04:33:20,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20 WrapperNode
[2021-11-25 04:33:20,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-25 04:33:20,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-25 04:33:20,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-25 04:33:20,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-25 04:33:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,680 INFO L137 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114
[2021-11-25 04:33:20,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-25 04:33:20,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-25 04:33:20,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-25 04:33:20,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-25 04:33:20,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-25 04:33:20,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-25 04:33:20,738 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-25 04:33:20,738 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-25 04:33:20,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (1/1) ...
[2021-11-25 04:33:20,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:33:20,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:33:20,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-25 04:33:20,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-25 04:33:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-25 04:33:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-25 04:33:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-11-25 04:33:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-25 04:33:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-25 04:33:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-25 04:33:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-25 04:33:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-25 04:33:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2021-11-25 04:33:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-25 04:33:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-25 04:33:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-25 04:33:20,858 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-25 04:33:21,208 INFO L236 CfgBuilder]: Building ICFG
[2021-11-25 04:33:21,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-25 04:33:21,474 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-25 04:33:21,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-25 04:33:21,489 INFO L301 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-25 04:33:21,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:21 BoogieIcfgContainer
[2021-11-25 04:33:21,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-25 04:33:21,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-25 04:33:21,496 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-25 04:33:21,501 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-25 04:33:21,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:33:19" (1/3) ...
[2021-11-25 04:33:21,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f8c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:33:21, skipping insertion in model container
[2021-11-25 04:33:21,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:20" (2/3) ...
[2021-11-25 04:33:21,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f8c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:33:21, skipping insertion in model container
[2021-11-25 04:33:21,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:21" (3/3) ...
[2021-11-25 04:33:21,505 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i
[2021-11-25 04:33:21,511 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-25 04:33:21,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-25 04:33:21,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2021-11-25 04:33:21,512 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-25 04:33:21,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,560 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,560 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,561 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,561 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,561 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,563 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,563 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,563 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,563 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,564 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,564 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,564 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,564 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,570 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,571 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,571 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,571 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,571 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,572 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:33:21,577 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2021-11-25 04:33:21,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-25 04:33:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:33:21,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-25 04:33:21,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-25 04:33:21,683 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ========
[2021-11-25 04:33:21,690 INFO L339 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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-25 04:33:21,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-25 04:33:21,818 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:33:21,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1468252264, now seen corresponding path program 1 times
[2021-11-25 04:33:21,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278292251]
[2021-11-25 04:33:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:21,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:22,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:33:22,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278292251]
[2021-11-25 04:33:22,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278292251] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:33:22,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:33:22,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:33:22,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431624596]
[2021-11-25 04:33:22,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:33:22,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-25 04:33:22,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:33:22,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-25 04:33:22,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-25 04:33:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:33:22,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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)
[2021-11-25 04:33:22,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-25 04:33:22,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:33:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1433471700, now seen corresponding path program 1 times
[2021-11-25 04:33:22,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:22,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460391268]
[2021-11-25 04:33:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:22,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:33:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-25 04:33:22,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:33:22,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460391268]
[2021-11-25 04:33:22,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460391268] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:33:22,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:33:22,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-25 04:33:22,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843577088]
[2021-11-25 04:33:22,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:33:22,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-25 04:33:22,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:33:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-25 04:33:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-25 04:33:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:33:22,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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)
[2021-11-25 04:33:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:33:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-25 04:33:22,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-25 04:33:22,629 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:33:22,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:33:22,630 INFO L85 PathProgramCache]: Analyzing trace with hash -833983404, now seen corresponding path program 1 times
[2021-11-25 04:33:22,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:33:22,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593034317]
[2021-11-25 04:33:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:33:22,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:33:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-25 04:33:22,714 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-25 04:33:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-25 04:33:22,794 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-25 04:33:22,795 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-25 04:33:22,796 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining)
[2021-11-25 04:33:22,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-25 04:33:22,808 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-25 04:33:22,809 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was UNSAFE (1/2)
[2021-11-25 04:33:22,814 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-25 04:33:22,814 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-25 04:33:22,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:33:22 BasicIcfg
[2021-11-25 04:33:22,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-25 04:33:22,867 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-25 04:33:22,867 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-25 04:33:22,867 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-25 04:33:22,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:21" (3/4) ...
[2021-11-25 04:33:22,871 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-25 04:33:22,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-25 04:33:22,873 INFO L158 Benchmark]: Toolchain (without parser) took 3519.41ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 45.2MB in the end (delta: 3.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,873 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:33:22,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1242.76ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 45.2MB in the end (delta: 3.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 111.1MB. Free memory was 44.8MB in the beginning and 41.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,876 INFO L158 Benchmark]: Boogie Preprocessor took 54.79ms. Allocated memory is still 111.1MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,877 INFO L158 Benchmark]: RCFGBuilder took 754.36ms. Allocated memory is still 111.1MB. Free memory was 39.0MB in the beginning and 69.5MB in the end (delta: -30.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,878 INFO L158 Benchmark]: TraceAbstraction took 1370.19ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 45.2MB in the end (delta: 23.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB.
[2021-11-25 04:33:22,878 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 111.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:33:22,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1242.76ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 45.2MB in the end (delta: 3.8MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 82.87ms. Allocated memory is still 111.1MB. Free memory was 44.8MB in the beginning and 41.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.79ms. Allocated memory is still 111.1MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 754.36ms. Allocated memory is still 111.1MB. Free memory was 39.0MB in the beginning and 69.5MB in the end (delta: -30.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 1370.19ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 45.2MB in the end (delta: 23.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB.
* Witness Printer took 5.05ms. Allocated memory is still 111.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 434, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 426, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 342, positive conditional: 1, positive unconditional: 341, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 39, negative conditional: 2, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 428, positive: 77, positive conditional: 30, positive unconditional: 47, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 348, unknown conditional: 2, unknown unconditional: 346] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 342, Positive conditional cache size: 1, Positive unconditional cache size: 341, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 8
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 71, Number of trivial persistent sets: 66, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 346, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 434, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 426, positive: 419, positive conditional: 78, positive unconditional: 341, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 428, positive: 419, positive conditional: 31, positive unconditional: 388, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 342, positive conditional: 1, positive unconditional: 341, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 39, negative conditional: 2, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 428, positive: 77, positive conditional: 30, positive unconditional: 47, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 348, unknown conditional: 2, unknown unconditional: 346] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 342, Positive conditional cache size: 1, Positive unconditional cache size: 341, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 8
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- DataRaceFoundResult [Line: 1699]: Data race detected
Data race detected
The following path leads to a data race:
[L1694] 0 pthread_t t1;
VAL [t1={3:0}]
[L1695] 0 pthread_mutex_t mutex;
VAL [mutex={4:0}, t1={3:0}]
[L1696] 0 int pdev;
VAL [mutex={4:0}, pdev=0, t1={3:0}]
[L1726] CALL, EXPR 0 module_init()
[L1705] 0 pdev = 1
VAL [mutex={4:0}, pdev=1, t1={3:0}]
[L1706] EXPR 0 pdev==1
VAL [mutex={4:0}, pdev=1, t1={3:0}]
[L1706] CALL 0 ldv_assert(pdev==1)
[L1693] COND FALSE 0 !(!expression)
VAL [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}]
[L1706] RET 0 ldv_assert(pdev==1)
[L1707] COND TRUE 0 __VERIFIER_nondet_int()
VAL [__VERIFIER_nondet_int()=1, mutex={4:0}, pdev=1, t1={3:0}]
[L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0))
VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}]
[L1709] 0 return 0;
VAL [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}]
[L1699] 1 pdev = 6
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}]
[L1726] RET, EXPR 0 module_init()
[L1699] 1 pdev = 6
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}]
[L1726] COND FALSE 0 !(module_init()!=0)
VAL [arg={0:0}, arg={0:0}, module_init()=0, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}]
[L1727] CALL 0 module_exit()
[L1717] 0 void *status;
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, status={5:0}, t1={3:0}]
[L1718] 0 pdev = 4
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 4=1153, pdev = 6=1150, status={5:0}, t1={3:0}]
[L1699] 1 pdev = 6
VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 6=1150, t1={3:0}]
Now there is a data race on ~pdev~0 between
C: pdev = 4 [1718]
and
C: pdev = 6 [1699]
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances
CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-25 04:33:23,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-25 04:33:23,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9375d0-64dd-4c4e-93b7-842c3f2716a4/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE