./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a --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 be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- 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-b5237d8 [2022-11-21 16:10:15,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:10:15,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:10:15,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:10:15,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:10:15,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:10:15,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:10:15,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:10:15,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:10:15,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:10:15,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:10:15,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:10:15,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:10:15,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:10:15,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:10:15,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:10:15,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:10:15,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:10:15,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:10:15,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:10:15,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:10:15,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:10:15,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:10:15,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:10:15,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:10:15,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:10:15,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:10:15,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:10:15,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:10:15,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:10:15,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:10:15,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:10:15,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:10:15,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:10:15,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:10:15,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:10:15,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:10:15,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:10:15,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:10:15,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:10:15,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:10:15,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:10:15,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:10:15,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:10:15,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:10:15,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:10:15,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:10:15,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:10:15,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:10:15,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:10:15,424 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:10:15,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:10:15,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:10:15,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:10:15,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:10:15,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:10:15,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:10:15,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:10:15,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:10:15,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:10:15,427 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:10:15,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:10:15,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:10:15,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:10:15,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:10:15,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:10:15,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:10:15,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:10:15,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:10:15,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:10:15,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:10:15,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:10:15,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:10:15,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:10:15,431 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:10:15,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:10:15,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:10:15,432 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_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2022-11-21 16:10:15,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:10:15,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:10:15,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:10:15,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:10:15,769 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:10:15,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-21 16:10:18,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:10:19,245 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:10:19,245 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2022-11-21 16:10:19,273 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/data/4d9b0d752/7fe2d4e72faa49faad04f2a3b9f23ae6/FLAG8a171eb67 [2022-11-21 16:10:19,292 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/data/4d9b0d752/7fe2d4e72faa49faad04f2a3b9f23ae6 [2022-11-21 16:10:19,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:10:19,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:10:19,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:10:19,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:10:19,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:10:19,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:10:19" (1/1) ... [2022-11-21 16:10:19,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366f465d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:19, skipping insertion in model container [2022-11-21 16:10:19,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:10:19" (1/1) ... [2022-11-21 16:10:19,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:10:19,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:10:19,602 WARN L237 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_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-21 16:10:19,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:10:19,950 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:10:19,971 WARN L237 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_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i[951,964] [2022-11-21 16:10:20,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:10:20,207 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:10:20,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20 WrapperNode [2022-11-21 16:10:20,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:10:20,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:10:20,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:10:20,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:10:20,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,343 INFO L138 Inliner]: procedures = 176, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 554 [2022-11-21 16:10:20,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:10:20,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:10:20,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:10:20,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:10:20,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:10:20,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:10:20,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:10:20,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:10:20,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:20" (1/1) ... [2022-11-21 16:10:20,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:10:20,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:10:20,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:10:20,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c39170-01ef-4b3c-9da7-d31b1a9ea5c4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:10:20,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:10:20,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:10:20,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:10:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:10:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:10:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:10:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 16:10:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 16:10:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 16:10:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 16:10:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 16:10:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 16:10:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:10:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:10:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:10:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:10:20,603 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:10:20,923 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:10:20,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:10:23,022 INFO L276 CfgBuilder]: Performing block encoding