./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:58:35,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:35,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:35,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:35,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:35,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:35,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:35,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:35,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:35,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:35,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:35,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:35,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:35,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:35,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:35,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:35,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:35,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:35,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:35,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:35,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:35,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:35,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:35,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:35,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:35,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:35,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:35,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:35,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:35,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:35,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:35,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:35,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:35,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:35,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:35,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:35,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:35,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:35,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:35,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:35,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:35,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:58:35,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:35,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:35,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:35,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:35,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:58:35,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:58:35,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:35,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:35,409 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:35,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:35,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:58:35,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:35,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:35,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:58:35,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:35,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:58:35,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:58:35,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:58:35,413 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:58:35,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:58:35,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:35,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:35,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:58:35,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:35,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:35,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:58:35,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:35,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:35,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:58:35,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:58:35,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:35,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:58:35,416 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:58:35,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:58:35,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:58:35,417 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_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 [2022-11-02 20:58:35,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:35,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:35,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:35,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:35,816 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:35,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2022-11-02 20:58:35,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/data/881426b5b/8a80715640dc4781824390f1adcec68e/FLAG8af3c35a0 [2022-11-02 20:58:36,496 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:36,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2022-11-02 20:58:36,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/data/881426b5b/8a80715640dc4781824390f1adcec68e/FLAG8af3c35a0 [2022-11-02 20:58:36,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/data/881426b5b/8a80715640dc4781824390f1adcec68e [2022-11-02 20:58:36,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:36,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:36,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:36,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:36,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:36,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:36" (1/1) ... [2022-11-02 20:58:36,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442a712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:36, skipping insertion in model container [2022-11-02 20:58:36,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:36" (1/1) ... [2022-11-02 20:58:36,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:36,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:37,065 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_39cd8244-7e84-4242-bca7-edaa6af75cbf/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2022-11-02 20:58:37,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:37,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:37,372 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_39cd8244-7e84-4242-bca7-edaa6af75cbf/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2022-11-02 20:58:37,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:37,498 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:37,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37 WrapperNode [2022-11-02 20:58:37,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:37,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:37,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:37,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:37,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,569 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 906 [2022-11-02 20:58:37,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:37,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:37,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:37,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:37,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:37,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:37,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:37,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:37,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:37" (1/1) ... [2022-11-02 20:58:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:37,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:37,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:37,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cd8244-7e84-4242-bca7-edaa6af75cbf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:58:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:58:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:58:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:58:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:58:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:58:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:37,764 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:58:37,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:37,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:39,433 INFO L276 CfgBuilder]: Performing block encoding