./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.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_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/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_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/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_c1e729cf-e0ad-48e1-8e34-0e7714b63759/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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563
--- Real Ultimate output ---
This is Ultimate 0.2.2-hotfix-svcomp22-839c364
[2021-11-25 04:32:48,170 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-25 04:32:48,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-25 04:32:48,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-25 04:32:48,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-25 04:32:48,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-25 04:32:48,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-25 04:32:48,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-25 04:32:48,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-25 04:32:48,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-25 04:32:48,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-25 04:32:48,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-25 04:32:48,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-25 04:32:48,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-25 04:32:48,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-25 04:32:48,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-25 04:32:48,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-25 04:32:48,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-25 04:32:48,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-25 04:32:48,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-25 04:32:48,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-25 04:32:48,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-25 04:32:48,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-25 04:32:48,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-25 04:32:48,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-25 04:32:48,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-25 04:32:48,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-25 04:32:48,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-25 04:32:48,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-25 04:32:48,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-25 04:32:48,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-25 04:32:48,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-25 04:32:48,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-25 04:32:48,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-25 04:32:48,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-25 04:32:48,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-25 04:32:48,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-25 04:32:48,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-25 04:32:48,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-25 04:32:48,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-25 04:32:48,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-25 04:32:48,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-DataRace-32bit-GemCutter_Default.epf
[2021-11-25 04:32:48,286 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-25 04:32:48,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-25 04:32:48,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-25 04:32:48,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-25 04:32:48,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-25 04:32:48,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-25 04:32:48,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-25 04:32:48,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-25 04:32:48,289 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-25 04:32:48,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-25 04:32:48,290 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-25 04:32:48,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-25 04:32:48,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-25 04:32:48,291 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-25 04:32:48,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-25 04:32:48,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-25 04:32:48,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-25 04:32:48,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-25 04:32:48,292 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2021-11-25 04:32:48,292 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-25 04:32:48,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-25 04:32:48,292 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-25 04:32:48,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-25 04:32:48,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-25 04:32:48,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-25 04:32:48,294 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-11-25 04:32:48,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-25 04:32:48,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:32:48,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-25 04:32:48,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-25 04:32:48,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-25 04:32:48,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-25 04:32:48,295 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-11-25 04:32:48,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-25 04:32:48,296 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-25 04:32:48,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-25 04:32:48,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-25 04:32:48,297 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-25 04:32:48,297 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-25 04:32:48,297 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_c1e729cf-e0ad-48e1-8e34-0e7714b63759/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563
[2021-11-25 04:32:48,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-25 04:32:48,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-25 04:32:48,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-25 04:32:48,629 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-25 04:32:48,630 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-25 04:32:48,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i
[2021-11-25 04:32:48,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/data/8b66955e1/91a51d56294c4786bef4c11cac409e53/FLAGa4a4c8cf9
[2021-11-25 04:32:49,267 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-25 04:32:49,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i
[2021-11-25 04:32:49,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/data/8b66955e1/91a51d56294c4786bef4c11cac409e53/FLAGa4a4c8cf9
[2021-11-25 04:32:49,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/data/8b66955e1/91a51d56294c4786bef4c11cac409e53
[2021-11-25 04:32:49,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-25 04:32:49,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-25 04:32:49,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-25 04:32:49,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-25 04:32:49,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-25 04:32:49,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:49" (1/1) ...
[2021-11-25 04:32:49,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2b3105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:49, skipping insertion in model container
[2021-11-25 04:32:49,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:49" (1/1) ...
[2021-11-25 04:32:49,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-25 04:32:49,616 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-25 04:32:50,080 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:32:50,088 INFO L203 MainTranslator]: Completed pre-run
[2021-11-25 04:32:50,139 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-25 04:32:50,214 INFO L208 MainTranslator]: Completed translation
[2021-11-25 04:32:50,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50 WrapperNode
[2021-11-25 04:32:50,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-25 04:32:50,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-25 04:32:50,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-25 04:32:50,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-25 04:32:50,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,295 INFO L137 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46
[2021-11-25 04:32:50,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-25 04:32:50,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-25 04:32:50,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-25 04:32:50,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-25 04:32:50,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-25 04:32:50,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-25 04:32:50,330 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-25 04:32:50,330 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-25 04:32:50,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (1/1) ...
[2021-11-25 04:32:50,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-25 04:32:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:32:50,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-25 04:32:50,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-25 04:32:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-25 04:32:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-25 04:32:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-25 04:32:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-25 04:32:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-25 04:32:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2021-11-25 04:32:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2021-11-25 04:32:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-25 04:32:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-25 04:32:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-25 04:32:50,444 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 04:32:50,609 INFO L236 CfgBuilder]: Building ICFG
[2021-11-25 04:32:50,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-25 04:32:50,828 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-25 04:32:50,836 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-25 04:32:50,836 INFO L301 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-25 04:32:50,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:50 BoogieIcfgContainer
[2021-11-25 04:32:50,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-25 04:32:50,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-25 04:32:50,841 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-25 04:32:50,844 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-25 04:32:50,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:32:49" (1/3) ...
[2021-11-25 04:32:50,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420618dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:32:50, skipping insertion in model container
[2021-11-25 04:32:50,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:50" (2/3) ...
[2021-11-25 04:32:50,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420618dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:32:50, skipping insertion in model container
[2021-11-25 04:32:50,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:50" (3/3) ...
[2021-11-25 04:32:50,848 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i
[2021-11-25 04:32:50,854 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-25 04:32:50,854 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-25 04:32:50,854 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2021-11-25 04:32:50,855 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-25 04:32:50,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,882 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,883 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,883 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,884 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,897 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,898 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-25 04:32:50,902 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-11-25 04:32:50,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-25 04:32:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3
[2021-11-25 04:32:50,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-25 04:32:50,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-25 04:32:50,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ========
[2021-11-25 04:32:51,019 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 04:32:51,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-11-25 04:32:51,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:32:51,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:32:51,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2095434159, now seen corresponding path program 1 times
[2021-11-25 04:32:51,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:32:51,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231870554]
[2021-11-25 04:32:51,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:32:51,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:32:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-25 04:32:52,266 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 04:32:52,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-25 04:32:52,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231870554]
[2021-11-25 04:32:52,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231870554] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-25 04:32:52,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-25 04:32:52,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-25 04:32:52,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040815292]
[2021-11-25 04:32:52,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-25 04:32:52,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-25 04:32:52,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-25 04:32:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-25 04:32:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2021-11-25 04:32:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:32:52,312 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-25 04:32:52,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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 04:32:52,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-25 04:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-25 04:32:52,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-25 04:32:52,741 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] ===
[2021-11-25 04:32:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-25 04:32:52,744 INFO L85 PathProgramCache]: Analyzing trace with hash 180970580, now seen corresponding path program 1 times
[2021-11-25 04:32:52,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-25 04:32:52,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919067592]
[2021-11-25 04:32:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-25 04:32:52,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-25 04:32:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-25 04:32:52,803 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-25 04:32:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-25 04:32:52,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-25 04:32:52,859 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-25 04:32:52,861 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining)
[2021-11-25 04:32:52,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining)
[2021-11-25 04:32:52,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-25 04:32:52,874 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-25 04:32:52,875 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2)
[2021-11-25 04:32:52,880 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-25 04:32:52,880 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-25 04:32:52,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:32:52 BasicIcfg
[2021-11-25 04:32:52,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-25 04:32:52,941 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-25 04:32:52,941 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-25 04:32:52,941 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-25 04:32:52,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:50" (3/4) ...
[2021-11-25 04:32:52,945 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-25 04:32:52,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-25 04:32:52,946 INFO L158 Benchmark]: Toolchain (without parser) took 3402.73ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 60.9MB in the beginning and 90.6MB in the end (delta: -29.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
[2021-11-25 04:32:52,947 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 104.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:32:52,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.91ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 62.6MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-25 04:32:52,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.80ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 60.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-25 04:32:52,949 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:32:52,949 INFO L158 Benchmark]: RCFGBuilder took 508.85ms. Allocated memory is still 104.9MB. Free memory was 58.6MB in the beginning and 46.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-25 04:32:52,950 INFO L158 Benchmark]: TraceAbstraction took 2100.07ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 45.8MB in the beginning and 91.6MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:32:52,951 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 138.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-25 04:32:52,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.35ms. Allocated memory is still 104.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 669.91ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 62.6MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 78.80ms. Allocated memory is still 104.9MB. Free memory was 62.6MB in the beginning and 60.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.77ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 508.85ms. Allocated memory is still 104.9MB. Free memory was 58.6MB in the beginning and 46.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 2100.07ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 45.8MB in the beginning and 91.6MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.37ms. Allocated memory is still 138.4MB. Free memory is still 90.6MB. 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: 290, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 44, negative conditional: 14, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 282, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 282, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 286, positive: 246, positive conditional: 30, positive unconditional: 216, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 246, positive conditional: 28, positive unconditional: 218, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 246, positive conditional: 28, positive unconditional: 218, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, positive: 210, positive conditional: 6, positive unconditional: 204, negative: 35, negative conditional: 4, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 30, positive conditional: 6, positive unconditional: 24, negative: 35, negative conditional: 4, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 139, positive conditional: 19, positive unconditional: 120, negative: 212, negative conditional: 28, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 286, positive: 36, positive conditional: 22, positive unconditional: 14, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 245, unknown conditional: 10, unknown unconditional: 235] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 210, Positive conditional cache size: 6, Positive unconditional cache size: 204, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 8
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.3s, Number of persistent set computation: 52, Number of trivial persistent sets: 49, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 233, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 44, negative conditional: 14, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 282, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 282, positive: 246, positive conditional: 43, positive unconditional: 203, negative: 36, negative conditional: 6, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 286, positive: 246, positive conditional: 30, positive unconditional: 216, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 246, positive conditional: 28, positive unconditional: 218, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 246, positive conditional: 28, positive unconditional: 218, negative: 40, negative conditional: 4, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, positive: 210, positive conditional: 6, positive unconditional: 204, negative: 35, negative conditional: 4, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 30, positive conditional: 6, positive unconditional: 24, negative: 35, negative conditional: 4, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 139, positive conditional: 19, positive unconditional: 120, negative: 212, negative conditional: 28, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 286, positive: 36, positive conditional: 22, positive unconditional: 14, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 245, unknown conditional: 10, unknown unconditional: 235] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 210, Positive conditional cache size: 6, Positive unconditional cache size: 204, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 2, 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: 923]: Data race detected
Data race detected
The following path leads to a data race:
[L918-L921] 0 struct {
int x;
int y;
} data;
VAL [data={1:0}]
[L927] 0 int *i,j = __VERIFIER_nondet_int();
VAL [data={1:0}]
[L927] 0 int *i,j = __VERIFIER_nondet_int();
VAL [__VERIFIER_nondet_int()=1, data={1:0}, j=1]
[L928] 0 pthread_t id;
VAL [data={1:0}, id={5:0}, j=1]
[L929] COND TRUE 0 \read(j)
VAL [data={1:0}, id={5:0}, j=1]
[L929] 0 i = &data.x
VAL [data={1:0}, i={1:0}, id={5:0}, j=1]
[L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1]
[L923] EXPR 1 data.x
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L932] EXPR 0 \read(*i)
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L932] 0 (*i)++
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L932] 0 (*i)++
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L932] 0 (*i)++
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0]
[L932] 0 (*i)++
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0]
[L932] 0 (*i)++
VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0]
[L932] 0 (*i)++
VAL [(*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, i={1:0}, id={5:0}, j=1]
[L932] 0 (*i)++
VAL [(*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=10]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=10]
[L932] 0 (*i)++
VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=10, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=10]
[L932] 0 (*i)++
VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=10, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=10]
[L932] 0 (*i)++
VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=10, i={1:0}, id={5:0}, j=1]
[L923] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=10]
Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
* C: (*i)++ [932]
* C: (*i)++ [932]
* C: (*i)++ [932]
* C: (*i)++ [932]
* C: (*i)++ [932]
* C: data.x++ [923]
* C: (*i)++ [932]
* C: data.x++ [923]
* C: (*i)++ [932]
* C: data.x++ [923]
* C: data.x++ [923]
and
C: data.x++ [923]
- UnprovableResult [Line: 923]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances
CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2021-11-25 04:32:53,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-25 04:32:53,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e729cf-e0ad-48e1-8e34-0e7714b63759/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