./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/2Nested-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/2Nested-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e73aa59ec9606428c1e0dd19193fa59dbe50e869 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:19:07,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:19:07,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:19:07,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:19:07,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:19:07,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:19:07,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:19:07,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:19:07,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:19:07,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:19:07,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:19:07,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:19:07,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:19:07,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:19:07,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:19:07,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:19:07,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:19:07,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:19:07,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:19:07,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:19:07,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:19:07,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:19:07,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:19:07,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:19:07,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:19:07,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:19:07,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:19:07,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:19:07,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:19:07,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:19:07,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:19:07,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:19:07,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:19:07,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:19:07,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:19:07,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:19:07,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:19:07,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:19:07,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:19:07,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:19:07,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:19:07,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2019-12-07 11:19:07,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:19:07,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:19:07,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:19:07,821 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:19:07,821 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:19:07,821 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:19:07,821 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:19:07,821 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:19:07,822 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:19:07,822 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:19:07,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:19:07,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:19:07,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:19:07,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:19:07,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:19:07,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:19:07,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:19:07,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:19:07,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:19:07,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:19:07,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73aa59ec9606428c1e0dd19193fa59dbe50e869 [2019-12-07 11:19:07,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:19:07,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:19:07,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:19:07,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:19:07,934 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:19:07,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/../../sv-benchmarks/c/termination-crafted/2Nested-1.c [2019-12-07 11:19:07,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/data/864f06a90/605294da7b8b4b0a8140d870d3ebb76a/FLAG955ca7256 [2019-12-07 11:19:08,321 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:19:08,322 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/sv-benchmarks/c/termination-crafted/2Nested-1.c [2019-12-07 11:19:08,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/data/864f06a90/605294da7b8b4b0a8140d870d3ebb76a/FLAG955ca7256 [2019-12-07 11:19:08,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/data/864f06a90/605294da7b8b4b0a8140d870d3ebb76a [2019-12-07 11:19:08,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:19:08,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:19:08,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:19:08,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:19:08,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:19:08,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1cac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08, skipping insertion in model container [2019-12-07 11:19:08,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:19:08,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:19:08,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:19:08,455 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:19:08,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:19:08,508 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:19:08,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08 WrapperNode [2019-12-07 11:19:08,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:19:08,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:19:08,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:19:08,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:19:08,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:19:08,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:19:08,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:19:08,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:19:08,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... [2019-12-07 11:19:08,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:19:08,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:19:08,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:19:08,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:19:08,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:19:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:19:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:19:08,689 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:19:08,689 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:19:08,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:08 BoogieIcfgContainer [2019-12-07 11:19:08,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:19:08,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:19:08,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:19:08,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:19:08,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:19:08" (1/3) ... [2019-12-07 11:19:08,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cffd98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:19:08, skipping insertion in model container [2019-12-07 11:19:08,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:19:08" (2/3) ... [2019-12-07 11:19:08,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cffd98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:19:08, skipping insertion in model container [2019-12-07 11:19:08,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:08" (3/3) ... [2019-12-07 11:19:08,696 INFO L109 eAbstractionObserver]: Analyzing ICFG 2Nested-1.c [2019-12-07 11:19:08,703 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:19:08,707 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 11:19:08,714 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 11:19:08,726 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:19:08,726 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 11:19:08,726 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:19:08,726 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:19:08,726 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:19:08,726 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:19:08,726 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:19:08,726 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:19:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-12-07 11:19:08,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:19:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:19:08 BoogieIcfgContainer [2019-12-07 11:19:08,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:19:08,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:19:08,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:19:08,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:19:08,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:19:08" (3/4) ... [2019-12-07 11:19:08,744 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:19:08,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:19:08,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 11:19:08,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_170d3f42-68e8-4d97-8fd9-bed0993c2315/bin/utaipan/witness.graphml [2019-12-07 11:19:08,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:19:08,785 INFO L168 Benchmark]: Toolchain (without parser) took 447.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:08,785 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:08,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:08,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:08,786 INFO L168 Benchmark]: Boogie Preprocessor took 11.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:08,787 INFO L168 Benchmark]: RCFGBuilder took 147.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:08,787 INFO L168 Benchmark]: TraceAbstraction took 50.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:19:08,787 INFO L168 Benchmark]: Witness Printer took 42.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:19:08,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 50.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...