./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:00:04,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:00:04,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:00:04,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:00:04,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:00:04,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:00:04,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:00:04,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:00:04,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:00:04,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:00:04,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:00:04,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:00:04,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:00:04,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:00:04,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:00:04,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:00:04,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:00:04,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:00:04,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:00:04,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:00:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:00:04,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:00:04,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:00:04,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:00:04,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:00:04,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:00:04,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:00:04,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:00:04,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:00:04,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:00:04,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:00:04,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:00:04,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:00:04,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:00:04,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:00:04,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:00:04,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:00:04,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:00:04,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:00:04,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:00:04,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:00:04,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:00:04,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:00:04,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:00:04,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:00:04,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:00:04,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:00:04,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:00:04,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:00:04,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:00:04,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:00:04,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:00:04,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:00:04,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:00:04,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:00:04,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:00:04,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:00:04,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:00:04,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:00:04,481 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_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2021-12-06 21:00:04,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:00:04,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:00:04,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:00:04,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:00:04,689 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:00:04,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-12-06 21:00:04,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/data/78b94fbff/6d32f49b60aa46c5a46f371d08bd7afe/FLAG204daacba [2021-12-06 21:00:05,181 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:00:05,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2021-12-06 21:00:05,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/data/78b94fbff/6d32f49b60aa46c5a46f371d08bd7afe/FLAG204daacba [2021-12-06 21:00:05,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/data/78b94fbff/6d32f49b60aa46c5a46f371d08bd7afe [2021-12-06 21:00:05,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:00:05,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:00:05,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:00:05,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:00:05,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:00:05,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e5315a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05, skipping insertion in model container [2021-12-06 21:00:05,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:00:05,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:00:05,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-12-06 21:00:05,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:00:05,455 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:00:05,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2021-12-06 21:00:05,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:00:05,516 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:00:05,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05 WrapperNode [2021-12-06 21:00:05,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:00:05,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:00:05,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:00:05,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:00:05,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,552 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-12-06 21:00:05,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:00:05,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:00:05,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:00:05,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:00:05,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:00:05,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:00:05,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:00:05,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:00:05,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (1/1) ... [2021-12-06 21:00:05,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:00:05,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:00:05,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:00:05,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 21:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 21:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:00:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:00:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:00:05,632 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 21:00:05,713 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:00:05,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:00:05,813 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:00:05,819 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:00:05,819 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 21:00:05,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:00:05 BoogieIcfgContainer [2021-12-06 21:00:05,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:00:05,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:00:05,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:00:05,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:00:05,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:00:05" (1/3) ... [2021-12-06 21:00:05,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fc797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:00:05, skipping insertion in model container [2021-12-06 21:00:05,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:00:05" (2/3) ... [2021-12-06 21:00:05,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fc797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:00:05, skipping insertion in model container [2021-12-06 21:00:05,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:00:05" (3/3) ... [2021-12-06 21:00:05,826 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2021-12-06 21:00:05,830 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 21:00:05,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:00:05,830 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:00:05,830 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 21:00:05,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,849 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,849 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,855 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,856 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 21:00:05,859 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 21:00:05,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:00:05,900 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=PETRI_NET, 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 [2021-12-06 21:00:05,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-06 21:00:05,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2021-12-06 21:00:05,940 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2021-12-06 21:00:05,940 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 21:00:05,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-12-06 21:00:05,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2021-12-06 21:00:05,945 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2021-12-06 21:00:05,958 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-12-06 21:00:05,958 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 21:00:05,959 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 21:00:05,959 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:00:05,960 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-06 21:00:05,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:00:05,964 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2021-12-06 21:00:05,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:00:05,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546060379] [2021-12-06 21:00:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:00:05,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:00:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:00:06,071 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:00:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:00:06,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:00:06,115 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 21:00:06,116 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-06 21:00:06,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-12-06 21:00:06,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:00:06,121 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-06 21:00:06,124 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 21:00:06,124 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:00:06,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:00:06 BasicIcfg [2021-12-06 21:00:06,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:00:06,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:00:06,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:00:06,147 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:00:06,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:00:05" (3/4) ... [2021-12-06 21:00:06,149 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 21:00:06,182 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:00:06,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:00:06,183 INFO L158 Benchmark]: Toolchain (without parser) took 971.22ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.8MB in the beginning and 66.4MB in the end (delta: -1.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-06 21:00:06,183 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:00:06,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.05ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.5MB in the beginning and 68.7MB in the end (delta: -4.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-06 21:00:06,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.00ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:00:06,185 INFO L158 Benchmark]: Boogie Preprocessor took 17.78ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 65.7MB in the end (delta: 873.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:00:06,185 INFO L158 Benchmark]: RCFGBuilder took 248.68ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 53.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:00:06,185 INFO L158 Benchmark]: TraceAbstraction took 325.34ms. Allocated memory is still 104.9MB. Free memory was 53.4MB in the beginning and 69.4MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:00:06,186 INFO L158 Benchmark]: Witness Printer took 34.67ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:00:06,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.05ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 64.5MB in the beginning and 68.7MB in the end (delta: -4.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.00ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.78ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 65.7MB in the end (delta: 873.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.68ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 53.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 325.34ms. Allocated memory is still 104.9MB. Free memory was 53.4MB in the beginning and 69.4MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.67ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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 with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 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! [2021-12-06 21:00:06,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebec53d7-8b6e-4923-ba72-88ffe2499781/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE