./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 04:39:14,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:14,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:14,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:14,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:14,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:14,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:14,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:14,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:14,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:14,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:14,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:14,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:14,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:14,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:14,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:14,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:14,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:14,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:14,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:14,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:14,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:14,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:14,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:14,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:14,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:14,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:14,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:14,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:14,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:14,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:14,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:14,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:14,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:14,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:14,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:14,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:14,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:14,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:14,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:14,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:14,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-24 04:39:15,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:15,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:15,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:15,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:15,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:15,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:15,020 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:15,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:15,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:15,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:15,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:15,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:15,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:15,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:15,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:15,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:15,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 04:39:15,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:15,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:15,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:15,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:15,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:15,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 04:39:15,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 04:39:15,024 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:15,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:15,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:15,025 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:15,025 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:15,025 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_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2021-10-24 04:39:15,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:15,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:15,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:15,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:15,410 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:15,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/pthread/stateful01-1.i [2021-10-24 04:39:15,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/data/eb46264d2/80492496900245658ce93925f7ba2bc5/FLAG0fbb0efe8 [2021-10-24 04:39:16,150 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:16,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/sv-benchmarks/c/pthread/stateful01-1.i [2021-10-24 04:39:16,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/data/eb46264d2/80492496900245658ce93925f7ba2bc5/FLAG0fbb0efe8 [2021-10-24 04:39:16,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/data/eb46264d2/80492496900245658ce93925f7ba2bc5 [2021-10-24 04:39:16,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:16,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:16,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:16,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:16,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:16,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eda723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16, skipping insertion in model container [2021-10-24 04:39:16,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:16,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:16,883 WARN L228 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_8938e8b1-9761-4e9d-81b0-351ebdc04dac/sv-benchmarks/c/pthread/stateful01-1.i[30826,30839] [2021-10-24 04:39:16,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:16,902 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 04:39:16,974 WARN L228 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_8938e8b1-9761-4e9d-81b0-351ebdc04dac/sv-benchmarks/c/pthread/stateful01-1.i[30826,30839] [2021-10-24 04:39:16,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:17,020 INFO L208 MainTranslator]: Completed translation [2021-10-24 04:39:17,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17 WrapperNode [2021-10-24 04:39:17,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:17,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 04:39:17,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 04:39:17,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 04:39:17,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 04:39:17,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 04:39:17,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 04:39:17,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 04:39:17,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 04:39:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 04:39:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-24 04:39:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-24 04:39:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-24 04:39:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-24 04:39:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 04:39:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-24 04:39:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 04:39:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 04:39:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 04:39:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 04:39:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 04:39:17,237 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 04:39:17,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 04:39:17,727 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-24 04:39:17,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17 BoogieIcfgContainer [2021-10-24 04:39:17,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 04:39:17,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 04:39:17,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 04:39:17,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 04:39:17,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:39:16" (1/3) ... [2021-10-24 04:39:17,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4aad19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:17, skipping insertion in model container [2021-10-24 04:39:17,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (2/3) ... [2021-10-24 04:39:17,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4aad19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:17, skipping insertion in model container [2021-10-24 04:39:17,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17" (3/3) ... [2021-10-24 04:39:17,739 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-10-24 04:39:17,744 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 04:39:17,745 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 04:39:17,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 04:39:17,745 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 04:39:17,773 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,774 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,775 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,777 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,777 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,777 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,777 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,780 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,781 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,781 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,781 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,781 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,781 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,782 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,782 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,782 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,782 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,788 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,788 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,794 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,795 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,802 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-24 04:39:17,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-24 04:39:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-24 04:39:17,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-24 04:39:17,937 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 [2021-10-24 04:39:17,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 04:39:18,132 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-24 04:39:18,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:18,139 INFO L82 PathProgramCache]: Analyzing trace with hash -842928105, now seen corresponding path program 1 times [2021-10-24 04:39:18,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:18,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934270983] [2021-10-24 04:39:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:18,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 04:39:18,359 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 04:39:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 04:39:18,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-24 04:39:18,567 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 04:39:18,568 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 04:39:18,573 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 04:39:18,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 04:39:18,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 04:39:18,589 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 04:39:18,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 04:39:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:39:18 BasicIcfg [2021-10-24 04:39:18,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 04:39:18,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 04:39:18,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 04:39:18,702 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 04:39:18,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17" (3/4) ... [2021-10-24 04:39:18,704 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 04:39:18,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/witness.graphml [2021-10-24 04:39:18,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 04:39:18,805 INFO L168 Benchmark]: Toolchain (without parser) took 2380.13 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.2 MB in the beginning and 51.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,806 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 75.7 MB in the end (delta: 53.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:18,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.69 ms. Allocated memory is still 98.6 MB. Free memory was 58.0 MB in the beginning and 65.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.26 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 63.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,808 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 61.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,810 INFO L168 Benchmark]: RCFGBuilder took 596.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 49.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,811 INFO L168 Benchmark]: TraceAbstraction took 963.51 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 48.7 MB in the beginning and 62.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,811 INFO L168 Benchmark]: Witness Printer took 105.95 ms. Allocated memory is still 119.5 MB. Free memory was 62.3 MB in the beginning and 51.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:18,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory was 75.7 MB in the beginning and 75.7 MB in the end (delta: 53.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.69 ms. Allocated memory is still 98.6 MB. Free memory was 58.0 MB in the beginning and 65.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.26 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 63.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 61.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 596.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 49.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 963.51 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 48.7 MB in the beginning and 62.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 105.95 ms. Allocated memory is still 119.5 MB. Free memory was 62.3 MB in the beginning and 51.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 487, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 487, positive: 476, positive conditional: 0, positive unconditional: 476, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 517, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 487, unknown conditional: 0, unknown unconditional: 487] , Statistics on independence cache: Total cache size (in pairs): 487, Positive cache size: 478, Positive conditional cache size: 0, Positive unconditional cache size: 478, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 106, Number of persistent set computation: 75, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 476, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 41, positive unconditional: 467, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 517, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 487, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 487, positive: 476, positive conditional: 0, positive unconditional: 476, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 517, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 487, unknown conditional: 0, unknown unconditional: 487] , Statistics on independence cache: Total cache size (in pairs): 487, Positive cache size: 478, Positive conditional cache size: 0, Positive unconditional cache size: 478, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={7:0}, mb={9:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={7:0}, mb={9:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={7:0}, mb={9:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L723] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={9:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L712] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L724] 0 \read(t2) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 736.4ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.8ms, PartialOrderReductionTime: 166.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.1ms SsaConstructionTime, 120.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2021-10-24 04:39:18,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-24 04:39:19,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8938e8b1-9761-4e9d-81b0-351ebdc04dac/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...