./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ..................................................................................................................................................................................................................................................................................................................................................................... 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_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:16:58,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:16:58,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:16:58,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:16:58,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:16:58,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:16:58,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:16:58,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:16:58,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:16:58,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:16:58,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:16:58,859 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:16:58,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:16:58,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:16:58,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:16:58,861 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:16:58,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:16:58,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:16:58,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:16:58,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:16:58,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:16:58,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:16:58,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:16:58,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:16:58,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:16:58,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:16:58,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:16:58,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:16:58,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:16:58,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:16:58,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:16:58,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:16:58,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:16:58,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:16:58,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:16:58,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:16:58,874 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:16:58,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:16:58,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:16:58,885 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:16:58,885 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:16:58,885 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:16:58,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:16:58,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:16:58,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:16:58,887 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:16:58,887 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:16:58,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:16:58,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:16:58,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:16:58,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:16:58,889 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_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak 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 -> Kojak 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-11-23 06:16:58,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:16:58,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:16:58,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:16:58,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:16:58,922 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:16:58,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-23 06:16:58,957 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/be65d0f96/65df47a5c24048718f6380da680b338c/FLAG0e1521b67 [2018-11-23 06:16:59,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:16:59,341 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-23 06:16:59,345 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/be65d0f96/65df47a5c24048718f6380da680b338c/FLAG0e1521b67 [2018-11-23 06:16:59,353 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/be65d0f96/65df47a5c24048718f6380da680b338c [2018-11-23 06:16:59,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:16:59,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:16:59,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:16:59,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:16:59,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:16:59,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f711c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59, skipping insertion in model container [2018-11-23 06:16:59,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:16:59,375 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:16:59,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:16:59,474 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:16:59,482 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:16:59,490 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:16:59,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59 WrapperNode [2018-11-23 06:16:59,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:16:59,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:16:59,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:16:59,491 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:16:59,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:16:59,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:16:59,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:16:59,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:16:59,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:16:59,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:16:59,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:16:59,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:16:59,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:16:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 06:16:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:16:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:16:59,703 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:16:59,703 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 06:16:59,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:16:59 BoogieIcfgContainer [2018-11-23 06:16:59,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:16:59,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:16:59,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:16:59,711 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:16:59,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:16:59" (1/1) ... [2018-11-23 06:16:59,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:16:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:16:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 06:16:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 06:16:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 06:16:59,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:16:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:16:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:16:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:16:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:16:59,822 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~__return_main~0 := 0;havoc main_#res;havoc main_~__tmp_1~0, main_~__VERIFIER_assert__cond~0, main_~main__x~0, main_~main__x1~0;main_~main__x~0 := 1.0;main_~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~main__x~0, 1.600000023841858); VAL [ULTIMATE.start_main_~main__x~0=1.0, ~__return_main~0=0] [?] assume !~someBinaryFLOATComparisonOperation(main_~main__x1~0, main_~main__x~0);havoc main_~__tmp_1~0;main_~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(main_~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0);havoc main_~__VERIFIER_assert__cond~0;main_~__VERIFIER_assert__cond~0 := main_~__tmp_1~0; VAL [ULTIMATE.start_main_~__tmp_1~0=0, ULTIMATE.start_main_~__VERIFIER_assert__cond~0=0, ULTIMATE.start_main_~main__x~0=1.0, ~__return_main~0=0] [?] assume 0 == main_~__VERIFIER_assert__cond~0; VAL [ULTIMATE.start_main_~__tmp_1~0=0, ULTIMATE.start_main_~__VERIFIER_assert__cond~0=0, ULTIMATE.start_main_~main__x~0=1.0, ~__return_main~0=0] [?] assume !false; VAL [ULTIMATE.start_main_~__tmp_1~0=0, ULTIMATE.start_main_~__VERIFIER_assert__cond~0=0, ULTIMATE.start_main_~main__x~0=1.0, ~__return_main~0=0] [L1] ~__return_main~0 := 0; [?] havoc main_#res; [?] havoc main_~__tmp_1~0, main_~__VERIFIER_assert__cond~0, main_~main__x~0, main_~main__x1~0; [L7] main_~main__x~0 := 1.0; [L8] main_~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~main__x~0, 1.600000023841858); VAL [main_~main__x~0=1.0, ~__return_main~0=0] [L10-L33] assume !~someBinaryFLOATComparisonOperation(main_~main__x1~0, main_~main__x~0); [L19] havoc main_~__tmp_1~0; [L20] main_~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(main_~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc main_~__VERIFIER_assert__cond~0; [L22] main_~__VERIFIER_assert__cond~0 := main_~__tmp_1~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L23-L31] assume 0 == main_~__VERIFIER_assert__cond~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L25] assert false; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L1] ~__return_main~0 := 0; [?] havoc main_#res; [?] havoc main_~__tmp_1~0, main_~__VERIFIER_assert__cond~0, main_~main__x~0, main_~main__x1~0; [L7] main_~main__x~0 := 1.0; [L8] main_~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~main__x~0, 1.600000023841858); VAL [main_~main__x~0=1.0, ~__return_main~0=0] [L10-L33] assume !~someBinaryFLOATComparisonOperation(main_~main__x1~0, main_~main__x~0); [L19] havoc main_~__tmp_1~0; [L20] main_~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(main_~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc main_~__VERIFIER_assert__cond~0; [L22] main_~__VERIFIER_assert__cond~0 := main_~__tmp_1~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L23-L31] assume 0 == main_~__VERIFIER_assert__cond~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L25] assert false; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L1] ~__return_main~0 := 0; [?] havoc main_#res; [?] havoc main_~__tmp_1~0, main_~__VERIFIER_assert__cond~0, main_~main__x~0, main_~main__x1~0; [L7] main_~main__x~0 := 1.0; [L8] main_~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~main__x~0, 1.600000023841858); VAL [main_~main__x~0=1.0, ~__return_main~0=0] [L10] COND FALSE !(~someBinaryFLOATComparisonOperation(main_~main__x1~0, main_~main__x~0)) [L19] havoc main_~__tmp_1~0; [L20] main_~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(main_~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc main_~__VERIFIER_assert__cond~0; [L22] main_~__VERIFIER_assert__cond~0 := main_~__tmp_1~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L23] COND TRUE 0 == main_~__VERIFIER_assert__cond~0 VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L25] assert false; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L1] ~__return_main~0 := 0; [?] havoc main_#res; [?] havoc main_~__tmp_1~0, main_~__VERIFIER_assert__cond~0, main_~main__x~0, main_~main__x1~0; [L7] main_~main__x~0 := 1.0; [L8] main_~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(main_~main__x~0, 1.600000023841858); VAL [main_~main__x~0=1.0, ~__return_main~0=0] [L10] COND FALSE !(~someBinaryFLOATComparisonOperation(main_~main__x1~0, main_~main__x~0)) [L19] havoc main_~__tmp_1~0; [L20] main_~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(main_~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc main_~__VERIFIER_assert__cond~0; [L22] main_~__VERIFIER_assert__cond~0 := main_~__tmp_1~0; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L23] COND TRUE 0 == main_~__VERIFIER_assert__cond~0 VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L25] assert false; VAL [main_~__tmp_1~0=0, main_~__VERIFIER_assert__cond~0=0, main_~main__x~0=1.0, ~__return_main~0=0] [L1] ~__return_main~0 := 0; [L7] ~main__x~0 := 1.0; [L8] ~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(~main__x~0, 1.600000023841858); VAL [~__return_main~0=0] [L10] COND FALSE !(~someBinaryFLOATComparisonOperation(~main__x1~0, ~main__x~0)) [L19] havoc ~__tmp_1~0; [L20] ~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc ~__VERIFIER_assert__cond~0; [L22] ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; VAL [~__return_main~0=0] [L23] COND TRUE 0 == ~__VERIFIER_assert__cond~0 VAL [~__return_main~0=0] [L25] assert false; VAL [~__return_main~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L1] ~__return_main~0 := 0; [L7] ~main__x~0 := 1.0; [L8] ~main__x1~0 := ~someBinaryArithmeticDOUBLEoperation(~main__x~0, 1.600000023841858); VAL [~__return_main~0=0] [L10] COND FALSE !(~someBinaryFLOATComparisonOperation(~main__x1~0, ~main__x~0)) [L19] havoc ~__tmp_1~0; [L20] ~__tmp_1~0 := (if ~someBinaryFLOATComparisonOperation(~main__x~0, ~convertINTToFLOAT(0)) then 1 else 0); [L21] havoc ~__VERIFIER_assert__cond~0; [L22] ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; VAL [~__return_main~0=0] [L23] COND TRUE 0 == ~__VERIFIER_assert__cond~0 VAL [~__return_main~0=0] [L25] assert false; VAL [~__return_main~0=0] [L1] int __return_main; [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] ----- [2018-11-23 06:16:59,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:16:59 ImpRootNode [2018-11-23 06:16:59,840 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:16:59,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:16:59,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:16:59,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:16:59,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:16:59" (3/4) ... [2018-11-23 06:16:59,844 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:16:59,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:16:59,845 INFO L168 Benchmark]: Toolchain (without parser) took 490.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -197.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:16:59,846 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:16:59,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:16:59,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.99 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:16:59,847 INFO L168 Benchmark]: Boogie Preprocessor took 11.07 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:16:59,848 INFO L168 Benchmark]: RCFGBuilder took 183.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -221.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:16:59,849 INFO L168 Benchmark]: CodeCheck took 135.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:16:59,849 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:16:59,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 25]: 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 someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.99 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.07 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 183.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -221.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 135.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. 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-aa41828 [2018-11-23 06:17:01,292 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:17:01,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:17:01,302 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:17:01,302 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:17:01,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:17:01,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:17:01,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:17:01,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:17:01,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:17:01,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:17:01,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:17:01,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:17:01,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:17:01,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:17:01,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:17:01,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:17:01,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:17:01,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:17:01,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:17:01,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:17:01,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:17:01,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:17:01,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:17:01,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:17:01,319 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:17:01,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:17:01,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:17:01,320 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:17:01,321 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:17:01,321 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:17:01,322 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:17:01,322 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:17:01,322 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:17:01,323 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:17:01,323 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:17:01,323 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 06:17:01,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:17:01,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:17:01,334 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:17:01,334 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:17:01,335 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:17:01,335 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:17:01,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:17:01,335 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:17:01,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:17:01,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:17:01,337 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:17:01,337 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:17:01,337 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:17:01,337 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:17:01,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:17:01,337 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:17:01,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:17:01,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:17:01,338 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:17:01,338 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_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak 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 -> Kojak 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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-11-23 06:17:01,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:17:01,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:17:01,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:17:01,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:17:01,381 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:17:01,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-23 06:17:01,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/b70588c7d/bc55e7f1636f44db90f2b997dca9e79f/FLAG5822fd51b [2018-11-23 06:17:01,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:17:01,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-23 06:17:01,768 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/b70588c7d/bc55e7f1636f44db90f2b997dca9e79f/FLAG5822fd51b [2018-11-23 06:17:02,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/data/b70588c7d/bc55e7f1636f44db90f2b997dca9e79f [2018-11-23 06:17:02,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:17:02,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:17:02,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:17:02,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:17:02,213 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:17:02,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1568cf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02, skipping insertion in model container [2018-11-23 06:17:02,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:17:02,235 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:17:02,350 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:17:02,354 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:17:02,365 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:17:02,377 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:17:02,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02 WrapperNode [2018-11-23 06:17:02,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:17:02,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:17:02,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:17:02,379 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:17:02,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:17:02,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:17:02,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:17:02,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:17:02,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... [2018-11-23 06:17:02,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:17:02,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:17:02,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:17:02,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:17:02,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f692e96-9e1d-4425-8fe5-2d53f94161a0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 06:17:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:17:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:17:11,520 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:17:11,520 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 06:17:11,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:17:11 BoogieIcfgContainer [2018-11-23 06:17:11,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:17:11,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:17:11,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:17:11,529 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:17:11,529 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:17:11" (1/1) ... [2018-11-23 06:17:11,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:17:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 06:17:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 06:17:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 06:17:11,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:17:11,589 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 06:17:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 06:17:21,786 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:17:21,789 INFO L168 Benchmark]: Toolchain (without parser) took 19580.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:17:21,790 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 06:17:21,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:21,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:21,792 INFO L168 Benchmark]: Boogie Preprocessor took 12.37 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:17:21,792 INFO L168 Benchmark]: RCFGBuilder took 9109.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:21,793 INFO L168 Benchmark]: CodeCheck took 10267.24 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. [2018-11-23 06:17:21,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 168.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.37 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9109.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * CodeCheck took 10267.24 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...