./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cdec0b8c4f67592438879c69401fb208f793f01e ................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cdec0b8c4f67592438879c69401fb208f793f01e ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:43:03,546 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:43:03,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:43:03,556 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:43:03,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:43:03,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:43:03,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:43:03,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:43:03,560 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:43:03,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:43:03,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:43:03,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:43:03,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:43:03,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:43:03,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:43:03,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:43:03,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:43:03,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:43:03,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:43:03,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:43:03,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:43:03,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:43:03,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:43:03,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:43:03,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:43:03,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:43:03,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:43:03,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:43:03,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:43:03,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:43:03,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:43:03,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:43:03,575 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:43:03,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:43:03,576 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:43:03,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:43:03,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:43:03,587 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:43:03,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:43:03,588 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:43:03,588 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:43:03,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:43:03,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:43:03,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:43:03,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:43:03,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:43:03,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:43:03,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:43:03,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:43:03,590 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:43:03,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:43:03,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:43:03,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:43:03,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:43:03,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:43:03,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:43:03,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> cdec0b8c4f67592438879c69401fb208f793f01e [2018-11-10 07:43:03,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:43:03,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:43:03,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:43:03,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:43:03,627 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:43:03,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:03,671 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/c4bdd2845/e6e14693ce9b49bfac97d1128985ce49/FLAGb7961018b [2018-11-10 07:43:04,064 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:43:04,065 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:04,069 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/c4bdd2845/e6e14693ce9b49bfac97d1128985ce49/FLAGb7961018b [2018-11-10 07:43:04,077 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/c4bdd2845/e6e14693ce9b49bfac97d1128985ce49 [2018-11-10 07:43:04,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:43:04,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:43:04,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:04,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:43:04,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:43:04,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8b0baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04, skipping insertion in model container [2018-11-10 07:43:04,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:43:04,102 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:43:04,203 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:04,207 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:43:04,219 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:04,228 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:43:04,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04 WrapperNode [2018-11-10 07:43:04,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:04,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:43:04,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:43:04,228 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:43:04,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... [2018-11-10 07:43:04,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:43:04,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:43:04,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:43:04,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:43:04,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/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 [2018-11-10 07:43:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:43:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:43:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:43:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:43:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:43:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:43:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:43:04,377 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:43:04,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:04 BoogieIcfgContainer [2018-11-10 07:43:04,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:43:04,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:43:04,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:43:04,380 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:43:04,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:43:04" (1/3) ... [2018-11-10 07:43:04,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d993467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:04, skipping insertion in model container [2018-11-10 07:43:04,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:04" (2/3) ... [2018-11-10 07:43:04,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d993467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:04, skipping insertion in model container [2018-11-10 07:43:04,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:04" (3/3) ... [2018-11-10 07:43:04,382 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:04,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:43:04,392 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:43:04,400 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:43:04,417 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:43:04,418 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:43:04,418 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:43:04,418 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:43:04,418 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:43:04,418 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:43:04,418 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:43:04,418 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:43:04,418 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:43:04,427 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 07:43:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:43:04,430 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:04,431 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:04,433 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:43:04,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:04,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 07:43:04,437 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:04,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:04,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:04,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:04,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:43:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:43:04,507 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 07:43:04,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:43:04 BoogieIcfgContainer [2018-11-10 07:43:04,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:43:04,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:43:04,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:43:04,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:43:04,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:04" (3/4) ... [2018-11-10 07:43:04,522 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:43:04,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:43:04,523 INFO L168 Benchmark]: Toolchain (without parser) took 444.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:04,524 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:04,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:04,525 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:04,526 INFO L168 Benchmark]: RCFGBuilder took 135.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:04,526 INFO L168 Benchmark]: TraceAbstraction took 140.92 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:04,527 INFO L168 Benchmark]: Witness Printer took 3.16 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. [2018-11-10 07:43:04,528 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 135.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 140.92 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 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: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; VAL [\old(argc)=2, argc=2, argv={1:0}, argv={1:0}, f=13567505/21267647932558653966460912964485513216] [L10] COND TRUE !(result == target) VAL [\old(argc)=2, argc=2, argv={1:0}, argv={1:0}, f=13567505/21267647932558653966460912964485513216] [L10] __VERIFIER_error() VAL [\old(argc)=2, argc=2, argv={1:0}, argv={1:0}, f=13567505/21267647932558653966460912964485513216] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:43:05,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:43:05,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:43:05,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:43:05,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:43:05,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:43:05,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:43:05,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:43:05,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:43:05,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:43:05,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:43:05,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:43:05,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:43:05,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:43:05,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:43:05,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:43:05,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:43:05,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:43:05,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:43:05,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:43:05,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:43:05,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:43:05,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:43:05,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:43:05,979 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:43:05,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:43:05,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:43:05,981 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:43:05,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:43:05,982 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:43:05,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:43:05,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:43:05,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:43:05,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:43:05,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:43:05,984 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:43:05,984 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 07:43:05,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:43:05,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:43:05,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:43:05,995 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:43:05,996 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:43:05,996 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:43:05,996 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:43:05,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:43:05,996 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:43:05,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:43:05,997 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:43:05,998 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:43:05,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:43:05,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:43:05,999 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:43:06,000 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/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 ! call(__VERIFIER_error())) ) 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 -> cdec0b8c4f67592438879c69401fb208f793f01e [2018-11-10 07:43:06,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:43:06,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:43:06,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:43:06,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:43:06,043 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:43:06,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:06,086 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/48aa526ff/c2bf9ce5ae014af0bf0e5079d10184bf/FLAG5cb77caab [2018-11-10 07:43:06,481 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:43:06,481 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:06,484 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/48aa526ff/c2bf9ce5ae014af0bf0e5079d10184bf/FLAG5cb77caab [2018-11-10 07:43:06,495 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/data/48aa526ff/c2bf9ce5ae014af0bf0e5079d10184bf [2018-11-10 07:43:06,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:43:06,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:43:06,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:06,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:43:06,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:43:06,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5274bf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06, skipping insertion in model container [2018-11-10 07:43:06,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:43:06,521 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:43:06,638 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:06,643 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:43:06,655 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:06,664 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:43:06,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06 WrapperNode [2018-11-10 07:43:06,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:06,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:43:06,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:43:06,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:43:06,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... [2018-11-10 07:43:06,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:43:06,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:43:06,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:43:06,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:43:06,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/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 [2018-11-10 07:43:06,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:43:06,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:43:06,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:43:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:43:06,853 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:43:06,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:06 BoogieIcfgContainer [2018-11-10 07:43:06,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:43:06,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:43:06,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:43:06,856 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:43:06,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:43:06" (1/3) ... [2018-11-10 07:43:06,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5826f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:06, skipping insertion in model container [2018-11-10 07:43:06,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:06" (2/3) ... [2018-11-10 07:43:06,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5826f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:06, skipping insertion in model container [2018-11-10 07:43:06,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:06" (3/3) ... [2018-11-10 07:43:06,859 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp7_true-unreach-call_true-termination.i [2018-11-10 07:43:06,864 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:43:06,869 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:43:06,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:43:06,894 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:43:06,894 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:43:06,894 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:43:06,894 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:43:06,894 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:43:06,894 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:43:06,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:43:06,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:43:06,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:43:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 07:43:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:43:06,909 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:06,910 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:06,911 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:43:06,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:06,915 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 07:43:06,918 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:43:06,918 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 07:43:06,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:06,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:43:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:07,036 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:43:07,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:07,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:43:07,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:43:07,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:43:07,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:43:07,056 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2018-11-10 07:43:07,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:07,080 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-10 07:43:07,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:43:07,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 07:43:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:07,085 INFO L225 Difference]: With dead ends: 18 [2018-11-10 07:43:07,086 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:43:07,087 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:43:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:43:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:43:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:43:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:43:07,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-10 07:43:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:07,108 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:43:07,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:43:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:43:07,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:43:07,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:43:07,137 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 07:43:07,137 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:43:07,137 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:43:07,137 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:43:07,137 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:43:07,137 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 3 13) the Hoare annotation is: true [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 3 13) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 3 13) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-10 07:43:07,138 INFO L425 ceAbstractionStarter]: For program point L10-3(line 10) no Hoare annotation was computed. [2018-11-10 07:43:07,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:43:07 BoogieIcfgContainer [2018-11-10 07:43:07,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:43:07,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:43:07,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:43:07,141 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:43:07,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:06" (3/4) ... [2018-11-10 07:43:07,144 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:43:07,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:43:07,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:43:07,153 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 07:43:07,153 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:43:07,153 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 07:43:07,177 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7dcf452-066b-43fc-ab0c-7b6ee203900f/bin-2019/uautomizer/witness.graphml [2018-11-10 07:43:07,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:43:07,178 INFO L168 Benchmark]: Toolchain (without parser) took 680.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:07,179 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:07,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:07,180 INFO L168 Benchmark]: Boogie Preprocessor took 18.23 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:07,180 INFO L168 Benchmark]: RCFGBuilder took 169.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:07,181 INFO L168 Benchmark]: TraceAbstraction took 286.18 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:07,181 INFO L168 Benchmark]: Witness Printer took 36.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:07,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.23 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 169.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 286.18 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Witness Printer took 36.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 4 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...