./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/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 64bit --witnessprinter.graph.data.programhash a2e3cac0a2b7a3ca917b5aba0246714aae086d70 ....................................................................................................................................................................................................................... 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 11:24:46,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:46,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:46,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:46,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:46,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:46,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:46,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:46,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:46,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:46,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:46,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:46,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:46,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:46,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:46,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:46,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:46,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:46,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:46,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:46,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:46,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:46,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:46,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:46,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:46,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:46,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:46,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:46,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:46,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:46,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:46,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:46,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:46,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:46,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:46,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:46,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:46,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:46,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:46,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:46,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:46,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-10-22 11:24:46,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:46,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:46,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:46,739 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:46,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:46,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:46,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:46,740 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:46,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:46,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:46,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:46,740 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:46,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:46,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:46,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:46,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:46,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:46,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:46,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:46,742 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:24:46,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:46,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:46,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:46,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:46,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:46,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:46,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:46,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:46,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:46,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:46,744 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:46,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:46,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:46,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:46,744 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_a40ed22f-d838-491e-b655-605db3b6e4ac/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e3cac0a2b7a3ca917b5aba0246714aae086d70 [2019-10-22 11:24:46,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:46,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:46,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:46,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:46,805 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:46,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/../../sv-benchmarks/c/termination-crafted/Madrid.c [2019-10-22 11:24:46,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/data/40ca3c457/7859444aa0eb4054bc4fb95809766e5a/FLAGbb6365440 [2019-10-22 11:24:47,183 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:47,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/sv-benchmarks/c/termination-crafted/Madrid.c [2019-10-22 11:24:47,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/data/40ca3c457/7859444aa0eb4054bc4fb95809766e5a/FLAGbb6365440 [2019-10-22 11:24:47,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/data/40ca3c457/7859444aa0eb4054bc4fb95809766e5a [2019-10-22 11:24:47,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:47,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:47,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:47,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:47,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:47,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ade2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47, skipping insertion in model container [2019-10-22 11:24:47,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:47,638 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:47,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:47,811 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:47,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:47,898 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:47,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47 WrapperNode [2019-10-22 11:24:47,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:47,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:47,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:47,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:47,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:47,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:47,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:47,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:47,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... [2019-10-22 11:24:47,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:47,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:47,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:47,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:47,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/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 11:24:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:48,088 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:48,088 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 11:24:48,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:48 BoogieIcfgContainer [2019-10-22 11:24:48,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:48,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:48,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:48,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:48,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:47" (1/3) ... [2019-10-22 11:24:48,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acc4d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:48, skipping insertion in model container [2019-10-22 11:24:48,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:47" (2/3) ... [2019-10-22 11:24:48,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acc4d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:48, skipping insertion in model container [2019-10-22 11:24:48,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:48" (3/3) ... [2019-10-22 11:24:48,096 INFO L109 eAbstractionObserver]: Analyzing ICFG Madrid.c [2019-10-22 11:24:48,105 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:48,111 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:24:48,122 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:24:48,157 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:48,157 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:48,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:48,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:48,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:48,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:48,159 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:48,159 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-10-22 11:24:48,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:48,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2019-10-22 11:24:48,240 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,241 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,241 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,241 INFO L446 ceAbstractionStarter]: At program point L17(lines 10 18) the Hoare annotation is: true [2019-10-22 11:24:48,241 INFO L446 ceAbstractionStarter]: At program point L14-2(lines 14 16) the Hoare annotation is: true [2019-10-22 11:24:48,241 INFO L443 ceAbstractionStarter]: For program point L14-3(lines 14 16) no Hoare annotation was computed. [2019-10-22 11:24:48,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:48 BoogieIcfgContainer [2019-10-22 11:24:48,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:48,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:48,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:48,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:48,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:48" (3/4) ... [2019-10-22 11:24:48,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:48,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 11:24:48,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:48,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a40ed22f-d838-491e-b655-605db3b6e4ac/bin/utaipan/witness.graphml [2019-10-22 11:24:48,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:48,311 INFO L168 Benchmark]: Toolchain (without parser) took 703.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:48,313 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:48,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,317 INFO L168 Benchmark]: Boogie Preprocessor took 15.80 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. [2019-10-22 11:24:48,317 INFO L168 Benchmark]: RCFGBuilder took 143.08 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,321 INFO L168 Benchmark]: TraceAbstraction took 162.78 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,322 INFO L168 Benchmark]: Witness Printer took 56.22 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. [2019-10-22 11:24:48,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.80 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 143.08 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 162.78 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.22 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. * 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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...