./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o100.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan --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 3c7581d7152a915ede2b7a090503832fb0897bb4 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:19:46,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:19:46,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:19:46,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:19:46,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:19:46,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:19:46,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:19:46,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:19:46,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:19:46,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:19:46,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:19:46,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:19:46,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:19:46,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:19:46,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:19:46,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:19:46,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:19:46,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:19:46,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:19:46,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:19:46,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:19:46,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:19:46,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:19:46,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:19:46,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:19:46,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:19:46,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:19:46,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:19:46,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:19:46,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:19:46,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:19:46,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:19:46,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:19:46,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:19:46,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:19:46,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:19:46,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:19:46,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:19:46,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:19:46,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:19:46,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:19:46,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-11-26 02:19:46,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:19:46,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:19:46,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:19:46,767 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:19:46,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:19:46,767 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:19:46,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:19:46,768 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:19:46,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:19:46,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:19:46,769 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:19:46,769 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:19:46,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:19:46,770 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:19:46,770 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:19:46,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:19:46,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:19:46,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:19:46,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:19:46,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:19:46,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:19:46,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:19:46,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:19:46,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:19:46,772 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:19:46,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:19:46,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:19:46,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:19:46,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:19:46,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:19:46,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:19:46,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:19:46,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:19:46,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:19:46,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:19:46,775 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:19:46,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:19:46,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:19:46,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:19:46,776 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_d843366c-05a3-4c7a-ad24-96166bc7bba4/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 ! 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 -> 3c7581d7152a915ede2b7a090503832fb0897bb4 [2019-11-26 02:19:46,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:19:46,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:19:46,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:19:46,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:19:46,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:19:46,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/../../sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 02:19:46,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/data/6a216380d/0fb743e40d1041b4882e0615c71429a8/FLAG4b0dbfe67 [2019-11-26 02:19:47,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:19:47,388 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/sv-benchmarks/c/recursive-simple/id_o100.c [2019-11-26 02:19:47,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/data/6a216380d/0fb743e40d1041b4882e0615c71429a8/FLAG4b0dbfe67 [2019-11-26 02:19:47,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/data/6a216380d/0fb743e40d1041b4882e0615c71429a8 [2019-11-26 02:19:47,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:19:47,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:19:47,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:47,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:19:47,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:19:47,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:47" (1/1) ... [2019-11-26 02:19:47,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3bb6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:47, skipping insertion in model container [2019-11-26 02:19:47,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:47" (1/1) ... [2019-11-26 02:19:47,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:19:47,818 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:19:47,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:47,999 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:19:48,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:48,085 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:19:48,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48 WrapperNode [2019-11-26 02:19:48,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:48,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:48,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:19:48,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:19:48,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:48,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:19:48,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:19:48,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:19:48,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... [2019-11-26 02:19:48,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:19:48,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:19:48,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:19:48,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:19:48,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/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 [2019-11-26 02:19:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:19:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:19:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-26 02:19:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-26 02:19:48,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:19:48,353 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:19:48,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:48 BoogieIcfgContainer [2019-11-26 02:19:48,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:19:48,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:19:48,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:19:48,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:19:48,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:19:47" (1/3) ... [2019-11-26 02:19:48,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90db0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:48, skipping insertion in model container [2019-11-26 02:19:48,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:48" (2/3) ... [2019-11-26 02:19:48,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90db0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:48, skipping insertion in model container [2019-11-26 02:19:48,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:48" (3/3) ... [2019-11-26 02:19:48,361 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o100.c [2019-11-26 02:19:48,369 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:19:48,375 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:19:48,384 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:19:48,404 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:19:48,405 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:19:48,405 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:19:48,405 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:19:48,405 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:19:48,405 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:19:48,405 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:19:48,405 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:19:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-26 02:19:48,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:19:48,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2019-11-26 02:19:48,484 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:19:48,484 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:19:48,484 INFO L447 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true [2019-11-26 02:19:48,484 INFO L444 ceAbstractionStarter]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-11-26 02:19:48,485 INFO L444 ceAbstractionStarter]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2019-11-26 02:19:48,485 INFO L444 ceAbstractionStarter]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2019-11-26 02:19:48,485 INFO L447 ceAbstractionStarter]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2019-11-26 02:19:48,485 INFO L447 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2019-11-26 02:19:48,485 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-26 02:19:48,485 INFO L444 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-26 02:19:48,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:19:48 BoogieIcfgContainer [2019-11-26 02:19:48,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:19:48,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:19:48,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:19:48,490 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:19:48,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:48" (3/4) ... [2019-11-26 02:19:48,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:19:48,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-26 02:19:48,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-26 02:19:48,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:19:48,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:19:48,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d843366c-05a3-4c7a-ad24-96166bc7bba4/bin/utaipan/witness.graphml [2019-11-26 02:19:48,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:19:48,541 INFO L168 Benchmark]: Toolchain (without parser) took 753.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:19:48,541 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:19:48,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:48,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:48,543 INFO L168 Benchmark]: Boogie Preprocessor took 15.84 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. [2019-11-26 02:19:48,544 INFO L168 Benchmark]: RCFGBuilder took 222.55 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:48,545 INFO L168 Benchmark]: TraceAbstraction took 134.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:48,546 INFO L168 Benchmark]: Witness Printer took 48.66 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. [2019-11-26 02:19:48,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.84 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 222.55 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.66 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 2 procedures, 10 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=10occurred 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: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...