./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 19:44:19,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:44:19,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:44:19,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:44:19,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:44:19,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:44:19,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:44:19,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:44:19,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:44:19,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:44:19,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:44:19,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:44:19,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:44:19,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:44:19,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:44:19,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:44:19,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:44:19,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:44:19,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:44:19,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:44:19,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:44:19,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:44:19,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:44:19,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:44:19,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:44:19,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:44:19,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:44:19,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:44:19,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:44:19,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:44:19,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:44:19,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:44:19,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:44:19,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:44:19,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:44:19,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:44:19,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:44:19,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:44:19,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:44:19,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:44:19,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:44:19,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 19:44:19,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:44:19,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:44:19,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:44:19,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:44:19,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:44:19,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:44:19,765 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:44:19,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:44:19,765 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:44:19,766 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:44:19,767 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:44:19,767 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:44:19,767 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:44:19,767 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:44:19,768 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:44:19,768 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:44:19,768 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:44:19,768 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:44:19,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:44:19,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:44:19,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:44:19,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:44:19,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:44:19,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:44:19,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:44:19,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:44:19,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:44:19,771 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:44:19,772 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:44:19,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:44:19,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:44:19,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:44:19,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:44:19,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:44:19,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:19,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:44:19,774 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:44:19,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:44:19,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:44:19,774 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:44:19,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:44:19,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:44:19,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:44:19,775 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_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 [2022-11-20 19:44:20,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:44:20,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:44:20,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:44:20,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:44:20,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:44:20,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i [2022-11-20 19:44:23,306 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:44:23,538 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:44:23,539 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i [2022-11-20 19:44:23,553 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/data/390b9d8a2/8afca009485a43af8147a8e1aa5889cb/FLAG7aee6c78e [2022-11-20 19:44:23,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/data/390b9d8a2/8afca009485a43af8147a8e1aa5889cb [2022-11-20 19:44:23,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:44:23,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:44:23,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:23,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:44:23,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:44:23,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:23" (1/1) ... [2022-11-20 19:44:23,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbff850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:23, skipping insertion in model container [2022-11-20 19:44:23,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:23" (1/1) ... [2022-11-20 19:44:23,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:44:23,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:44:23,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:23,966 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:44:24,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:24,035 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:44:24,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24 WrapperNode [2022-11-20 19:44:24,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:24,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:24,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:44:24,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:44:24,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,077 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-11-20 19:44:24,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:24,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:44:24,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:44:24,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:44:24,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:44:24,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:44:24,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:44:24,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:44:24,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (1/1) ... [2022-11-20 19:44:24,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:44:24,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:44:24,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:44:24,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:44:24,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 19:44:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:44:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:44:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 19:44:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 19:44:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:44:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:44:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:44:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:44:24,192 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 19:44:24,415 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:44:24,418 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:44:24,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:44:24,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:44:24,595 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 19:44:24,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:24 BoogieIcfgContainer [2022-11-20 19:44:24,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:44:24,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:44:24,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:44:24,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:44:24,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:44:23" (1/3) ... [2022-11-20 19:44:24,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058433f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:24, skipping insertion in model container [2022-11-20 19:44:24,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:24" (2/3) ... [2022-11-20 19:44:24,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058433f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:24, skipping insertion in model container [2022-11-20 19:44:24,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:24" (3/3) ... [2022-11-20 19:44:24,606 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2022-11-20 19:44:24,615 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 19:44:24,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:44:24,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 19:44:24,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058433f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:44:24, skipping insertion in model container [2022-11-20 19:44:24,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:44:24,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:44:24,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:44:24,631 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:44:24,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:24" (3/3) ... [2022-11-20 19:44:24,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:44:24,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-20 19:44:24,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 19:44:24,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 19:44:24,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:44:24,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:44:24,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:44:24,686 INFO L158 Benchmark]: Toolchain (without parser) took 1105.78ms. Allocated memory is still 228.6MB. Free memory was 180.2MB in the beginning and 141.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,686 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:44:24,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.12ms. Allocated memory is still 228.6MB. Free memory was 180.2MB in the beginning and 161.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.91ms. Allocated memory is still 228.6MB. Free memory was 161.4MB in the beginning and 159.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,688 INFO L158 Benchmark]: Boogie Preprocessor took 21.73ms. Allocated memory is still 228.6MB. Free memory was 159.8MB in the beginning and 158.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,689 INFO L158 Benchmark]: RCFGBuilder took 496.46ms. Allocated memory is still 228.6MB. Free memory was 158.2MB in the beginning and 146.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,689 INFO L158 Benchmark]: TraceAbstraction took 30.66ms. Allocated memory is still 228.6MB. Free memory was 146.1MB in the beginning and 143.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,690 INFO L158 Benchmark]: Witness Printer took 53.27ms. Allocated memory is still 228.6MB. Free memory was 143.9MB in the beginning and 141.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:24,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.12ms. Allocated memory is still 228.6MB. Free memory was 180.2MB in the beginning and 161.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.91ms. Allocated memory is still 228.6MB. Free memory was 161.4MB in the beginning and 159.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.73ms. Allocated memory is still 228.6MB. Free memory was 159.8MB in the beginning and 158.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.46ms. Allocated memory is still 228.6MB. Free memory was 158.2MB in the beginning and 146.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 30.66ms. Allocated memory is still 228.6MB. Free memory was 146.1MB in the beginning and 143.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 53.27ms. Allocated memory is still 228.6MB. Free memory was 143.9MB in the beginning and 141.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 19:44:24,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84305e8-6559-457c-a1bd-81cb4df2a7be/bin/utaipan-6cKwYrpEi9/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 Result: TRUE