./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o10.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_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c292d0c9d9c055df9398b3303a92d6621b60758 .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:47:14,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:14,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:14,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:14,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:14,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:14,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:14,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:14,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:14,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:14,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:14,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:14,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:14,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:14,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:14,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:14,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:14,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:14,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:14,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:14,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:14,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:14,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:14,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:14,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:14,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:14,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:14,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:14,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:14,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:14,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:14,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:14,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:14,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:14,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:14,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:14,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:14,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:14,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:14,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:14,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:14,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-25 08:47:14,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:14,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:14,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:14,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:14,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:14,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:14,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:47:14,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:47:14,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:14,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:47:14,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:14,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:14,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:14,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:14,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-25 08:47:14,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:47:14,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:14,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:14,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:14,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:14,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:14,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:14,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:14,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:14,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:14,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:14,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:14,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:14,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:14,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:14,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer 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 -> Automizer 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 -> 0c292d0c9d9c055df9398b3303a92d6621b60758 [2019-11-25 08:47:14,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:14,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:14,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:14,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:14,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:14,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-25 08:47:14,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/data/a7ad7515f/bf43f0ec56df4f6498d57d13eddc77c3/FLAG284269834 [2019-11-25 08:47:15,166 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:15,167 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-25 08:47:15,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/data/a7ad7515f/bf43f0ec56df4f6498d57d13eddc77c3/FLAG284269834 [2019-11-25 08:47:15,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/data/a7ad7515f/bf43f0ec56df4f6498d57d13eddc77c3 [2019-11-25 08:47:15,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:15,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:15,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:15,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:15,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:15,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e434ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15, skipping insertion in model container [2019-11-25 08:47:15,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:15,605 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:15,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:15,804 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:15,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:15,889 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:15,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15 WrapperNode [2019-11-25 08:47:15,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:15,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:15,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:15,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:15,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:15,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:15,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:15,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:15,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... [2019-11-25 08:47:15,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:15,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:15,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:15,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:15,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/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 [2019-11-25 08:47:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-25 08:47:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-25 08:47:16,138 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:16,139 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:47:16,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:16 BoogieIcfgContainer [2019-11-25 08:47:16,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:16,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:16,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:16,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:16,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:15" (1/3) ... [2019-11-25 08:47:16,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a27ff7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:16, skipping insertion in model container [2019-11-25 08:47:16,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:15" (2/3) ... [2019-11-25 08:47:16,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a27ff7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:16, skipping insertion in model container [2019-11-25 08:47:16,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:16" (3/3) ... [2019-11-25 08:47:16,147 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o10.c [2019-11-25 08:47:16,154 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:16,159 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:47:16,168 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:47:16,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:16,187 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:16,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:16,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:16,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:16,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:16,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:16,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-25 08:47:16,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:16,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2019-11-25 08:47:16,261 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:16,261 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:16,261 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:16,261 INFO L444 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-25 08:47:16,261 INFO L444 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2019-11-25 08:47:16,262 INFO L447 ceAbstractionStarter]: At program point L11(line 11) the Hoare annotation is: true [2019-11-25 08:47:16,262 INFO L444 ceAbstractionStarter]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-11-25 08:47:16,262 INFO L444 ceAbstractionStarter]: For program point L9(lines 9 15) no Hoare annotation was computed. [2019-11-25 08:47:16,262 INFO L444 ceAbstractionStarter]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2019-11-25 08:47:16,262 INFO L444 ceAbstractionStarter]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2019-11-25 08:47:16,262 INFO L447 ceAbstractionStarter]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2019-11-25 08:47:16,262 INFO L447 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2019-11-25 08:47:16,263 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-25 08:47:16,263 INFO L444 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-25 08:47:16,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:16 BoogieIcfgContainer [2019-11-25 08:47:16,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:16,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:16,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:16,267 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:16,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:16" (3/4) ... [2019-11-25 08:47:16,271 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:47:16,278 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-25 08:47:16,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:47:16,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:47:16,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_48ff6cfd-277b-4f9e-b509-6b8d90844865/bin/uautomizer/witness.graphml [2019-11-25 08:47:16,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:16,329 INFO L168 Benchmark]: Toolchain (without parser) took 755.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:16,329 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:16,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:16,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.11 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. [2019-11-25 08:47:16,332 INFO L168 Benchmark]: Boogie Preprocessor took 20.17 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. [2019-11-25 08:47:16,333 INFO L168 Benchmark]: RCFGBuilder took 197.56 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. [2019-11-25 08:47:16,334 INFO L168 Benchmark]: TraceAbstraction took 125.45 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:16,338 INFO L168 Benchmark]: Witness Printer took 59.39 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. [2019-11-25 08:47:16,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.11 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 20.17 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 197.56 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 125.45 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 59.39 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. * 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, 14 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=14occurred 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...