./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/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 bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:05,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:05,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:05,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:05,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:05,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:05,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:05,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:05,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:05,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:05,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:05,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:05,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:05,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:05,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:05,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:05,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:05,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:05,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:05,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:05,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:05,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:05,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:05,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:05,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:05,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:05,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:05,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:05,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:05,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:05,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:05,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:05,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:05,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:05,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:05,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:05,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:05,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:05,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:05,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:05,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:05,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:26:05,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:05,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:05,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:05,810 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:05,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:05,810 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:05,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:05,813 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:05,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:05,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:05,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:05,814 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:05,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:05,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:05,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:26:05,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:05,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:05,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:05,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:05,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:05,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:05,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:05,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:05,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:05,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:05,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:05,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:05,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:05,818 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:05,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:05,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:05,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:05,819 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/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/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 -> bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 [2019-10-22 11:26:05,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:05,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:05,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:05,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:05,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:05,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/../../sv-benchmarks/c/bitvector/jain_2-1.c [2019-10-22 11:26:05,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/data/b6a74b1fb/2e3166046e9249788fa935e57f840294/FLAGcfdb99cdc [2019-10-22 11:26:06,330 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:06,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/sv-benchmarks/c/bitvector/jain_2-1.c [2019-10-22 11:26:06,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/data/b6a74b1fb/2e3166046e9249788fa935e57f840294/FLAGcfdb99cdc [2019-10-22 11:26:06,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/data/b6a74b1fb/2e3166046e9249788fa935e57f840294 [2019-10-22 11:26:06,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:06,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:06,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:06,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:06,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:06,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dc6bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:06,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:06,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:06,586 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:06,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:06,688 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:06,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06 WrapperNode [2019-10-22 11:26:06,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:06,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:06,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:06,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:06,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:06,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:06,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:06,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:06,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:06,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:06,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:06,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:06,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/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 [2019-10-22 11:26:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:06,962 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:06,963 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:26:06,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06 BoogieIcfgContainer [2019-10-22 11:26:06,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:06,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:06,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:06,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:06,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:06" (1/3) ... [2019-10-22 11:26:06,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9143f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06" (2/3) ... [2019-10-22 11:26:06,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9143f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06" (3/3) ... [2019-10-22 11:26:06,973 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_2-1.c [2019-10-22 11:26:06,980 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:06,985 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:26:06,992 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:26:07,010 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:07,011 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:07,011 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:07,011 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:07,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:07,011 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:07,011 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:07,011 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-10-22 11:26:07,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:07,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2019-10-22 11:26:07,094 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:07,095 INFO L446 ceAbstractionStarter]: At program point L25(lines 10 26) the Hoare annotation is: true [2019-10-22 11:26:07,095 INFO L443 ceAbstractionStarter]: For program point L17-2(lines 17 24) no Hoare annotation was computed. [2019-10-22 11:26:07,095 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-10-22 11:26:07,095 INFO L446 ceAbstractionStarter]: At program point L5-2(lines 4 24) the Hoare annotation is: true [2019-10-22 11:26:07,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:07,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:07,096 INFO L443 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-10-22 11:26:07,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:07 BoogieIcfgContainer [2019-10-22 11:26:07,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:07,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:07,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:07,103 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:07,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:06" (3/4) ... [2019-10-22 11:26:07,107 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:07,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:07,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:07,153 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ad0ba2c-437c-4ec7-80ae-f0c6962f3924/bin/utaipan/witness.graphml [2019-10-22 11:26:07,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:07,156 INFO L168 Benchmark]: Toolchain (without parser) took 802.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:07,157 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:07,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:07,158 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:07,158 INFO L168 Benchmark]: RCFGBuilder took 224.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:07,159 INFO L168 Benchmark]: TraceAbstraction took 136.08 ms. Allocated memory is still 1.2 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. [2019-10-22 11:26:07,159 INFO L168 Benchmark]: Witness Printer took 51.21 ms. Allocated memory is still 1.2 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. [2019-10-22 11:26:07,162 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 224.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136.08 ms. Allocated memory is still 1.2 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 51.21 ms. Allocated memory is still 1.2 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. * 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. - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 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=8occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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...