./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS --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 e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 --- 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-4e7fbc6 [2022-11-23 01:43:42,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:43:42,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:43:42,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:43:42,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:43:42,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:43:42,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:43:42,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:43:42,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:43:42,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:43:42,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:43:42,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:43:42,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:43:42,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:43:42,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:43:42,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:43:42,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:43:42,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:43:42,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:43:42,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:43:42,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:43:42,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:43:42,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:43:42,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:43:42,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:43:42,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:43:42,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:43:42,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:43:42,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:43:42,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:43:42,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:43:42,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:43:42,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:43:42,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:43:42,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:43:42,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:43:42,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:43:42,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:43:42,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:43:42,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:43:42,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:43:42,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 01:43:42,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:43:42,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:43:42,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:43:42,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:43:42,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:43:42,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:43:42,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:43:42,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:43:42,379 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:43:42,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:43:42,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:43:42,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:43:42,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:43:42,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:43:42,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:43:42,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:43:42,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:43:42,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:43:42,382 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 01:43:42,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:43:42,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:43:42,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:43:42,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:43:42,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:43:42,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:43:42,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:43:42,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:43:42,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:43:42,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:43:42,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:43:42,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:43:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:43:42,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:43:42,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:43:42,386 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:43:42,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:43:42,386 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 [2022-11-23 01:43:42,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:43:42,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:43:42,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:43:42,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:43:42,655 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:43:42,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2022-11-23 01:43:45,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:43:45,924 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:43:45,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2022-11-23 01:43:45,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/data/b693301a5/d528714becb540289dbed22c6fc138e5/FLAG1ed3c897b [2022-11-23 01:43:45,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/data/b693301a5/d528714becb540289dbed22c6fc138e5 [2022-11-23 01:43:45,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:43:45,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:43:45,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:43:45,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:43:45,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:43:45,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:45" (1/1) ... [2022-11-23 01:43:45,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c96988e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:45, skipping insertion in model container [2022-11-23 01:43:45,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:45" (1/1) ... [2022-11-23 01:43:45,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:43:46,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:43:46,168 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_5530ac05-0f09-48ab-b490-e1a3aee24678/sv-benchmarks/c/pthread-wmm/mix036.oepc.i[945,958] [2022-11-23 01:43:46,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:43:46,469 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:43:46,481 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_5530ac05-0f09-48ab-b490-e1a3aee24678/sv-benchmarks/c/pthread-wmm/mix036.oepc.i[945,958] [2022-11-23 01:43:46,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:43:46,589 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:43:46,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46 WrapperNode [2022-11-23 01:43:46,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:43:46,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:43:46,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:43:46,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:43:46,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,691 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 521 [2022-11-23 01:43:46,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:43:46,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:43:46,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:43:46,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:43:46,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,763 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:43:46,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:43:46,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:43:46,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:43:46,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (1/1) ... [2022-11-23 01:43:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:43:46,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:43:46,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:43:46,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5530ac05-0f09-48ab-b490-e1a3aee24678/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 01:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:43:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:43:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:43:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-23 01:43:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-23 01:43:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-23 01:43:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-23 01:43:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-23 01:43:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-23 01:43:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-23 01:43:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-23 01:43:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:43:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 01:43:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:43:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:43:46,890 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 01:43:47,166 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:43:47,168 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:43:48,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:44:10,145 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:44:10,146 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 01:44:10,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:10 BoogieIcfgContainer [2022-11-23 01:44:10,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:44:10,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:44:10,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:44:10,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:44:10,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:45" (1/3) ... [2022-11-23 01:44:10,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3215063c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:10, skipping insertion in model container [2022-11-23 01:44:10,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:46" (2/3) ... [2022-11-23 01:44:10,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3215063c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:10, skipping insertion in model container [2022-11-23 01:44:10,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:10" (3/3) ... [2022-11-23 01:44:10,162 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2022-11-23 01:44:10,174 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 01:44:10,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:44:10,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 285 error locations. [2022-11-23 01:44:10,185 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 01:44:16,162 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 01:44:16,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 428 transitions, 876 flow [2022-11-23 01:44:17,998 INFO L130 PetriNetUnfolder]: 2/424 cut-off events. [2022-11-23 01:44:17,998 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:44:18,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 424 events. 2/424 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2220 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 380. Up to 2 conditions per place. [2022-11-23 01:44:18,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 428 transitions, 876 flow [2022-11-23 01:44:18,037 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 435 places, 424 transitions, 860 flow [2022-11-23 01:44:18,041 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 01:44:18,054 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 424 transitions, 860 flow [2022-11-23 01:44:18,057 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 424 transitions, 860 flow [2022-11-23 01:44:18,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 424 transitions, 860 flow [2022-11-23 01:44:20,067 INFO L130 PetriNetUnfolder]: 2/424 cut-off events. [2022-11-23 01:44:20,068 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:44:20,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 424 events. 2/424 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2214 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 380. Up to 2 conditions per place. [2022-11-23 01:44:20,104 INFO L119 LiptonReduction]: Number of co-enabled transitions 97064 [2022-11-23 01:44:57,994 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 01:45:07,717 WARN L233 SmtUtils]: Spent 9.65s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 01:45:16,443 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 01:45:26,021 WARN L233 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 2347 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)