./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 2b1f703b8c1a340e028de77080ca419d81a34cd6 ............................................................................................................................................................................................................. 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_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 2b1f703b8c1a340e028de77080ca419d81a34cd6 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:55:17,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:55:17,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:55:17,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:55:17,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:55:17,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:55:17,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:55:17,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:55:17,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:55:17,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:55:17,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:55:17,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:55:17,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:55:17,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:55:17,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:55:17,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:55:17,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:55:17,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:55:17,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:55:17,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:55:17,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:55:17,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:55:17,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:55:17,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:55:17,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:55:17,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:55:17,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:55:17,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:55:17,726 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:55:17,727 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:55:17,727 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:55:17,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:55:17,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:55:17,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:55:17,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:55:17,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:55:17,729 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:55:17,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:55:17,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:55:17,737 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:55:17,737 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:55:17,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:55:17,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:55:17,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:55:17,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:55:17,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:55:17,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:55:17,738 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:55:17,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:55:17,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:55:17,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:55:17,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:55:17,739 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:55:17,739 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:55:17,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:55:17,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:55:17,739 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_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2018-12-09 10:55:17,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:55:17,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:55:17,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:55:17,770 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:55:17,770 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:55:17,770 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-12-09 10:55:17,809 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/51802d56a/6b5bfb0fcf6a4a62a830885623b3f9c7/FLAGbc9d808df [2018-12-09 10:55:18,116 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:55:18,117 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-12-09 10:55:18,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/51802d56a/6b5bfb0fcf6a4a62a830885623b3f9c7/FLAGbc9d808df [2018-12-09 10:55:18,537 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/51802d56a/6b5bfb0fcf6a4a62a830885623b3f9c7 [2018-12-09 10:55:18,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:55:18,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:55:18,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:55:18,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:55:18,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:55:18,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18, skipping insertion in model container [2018-12-09 10:55:18,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:55:18,561 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:55:18,643 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:55:18,645 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:55:18,653 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:55:18,661 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:55:18,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18 WrapperNode [2018-12-09 10:55:18,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:55:18,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:55:18,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:55:18,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:55:18,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:55:18,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:55:18,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:55:18,681 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:55:18,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:55:18,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:55:18,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:55:18,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:55:18,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 [2018-12-09 10:55:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:55:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:55:18,831 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:55:18,831 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 10:55:18,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:18 BoogieIcfgContainer [2018-12-09 10:55:18,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:55:18,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:55:18,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:55:18,838 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:55:18,838 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:18" (1/1) ... [2018-12-09 10:55:18,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:55:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:55:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 10:55:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 10:55:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 10:55:18,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:55:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:18,929 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 10:55:18,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:55:18 ImpRootNode [2018-12-09 10:55:18,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:55:18,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:55:18,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:55:18,942 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:55:18,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:18" (3/4) ... [2018-12-09 10:55:18,945 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:55:18,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:55:18,945 INFO L168 Benchmark]: Toolchain (without parser) took 404.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:18,946 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:18,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 944.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:18,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:18,947 INFO L168 Benchmark]: Boogie Preprocessor took 41.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:18,948 INFO L168 Benchmark]: RCFGBuilder took 109.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:18,948 INFO L168 Benchmark]: CodeCheck took 109.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:18,948 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:18,950 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, 8 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, 3 NumberOfCodeBlocks, 3 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 944.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 109.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * CodeCheck took 109.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:55:20,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:55:20,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:55:20,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:55:20,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:55:20,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:55:20,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:55:20,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:55:20,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:55:20,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:55:20,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:55:20,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:55:20,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:55:20,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:55:20,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:55:20,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:55:20,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:55:20,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:55:20,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:55:20,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:55:20,238 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:55:20,239 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:55:20,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:55:20,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:55:20,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:55:20,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:55:20,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:55:20,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:55:20,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:55:20,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:55:20,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:55:20,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:55:20,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:55:20,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:55:20,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:55:20,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:55:20,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 10:55:20,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:55:20,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:55:20,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:55:20,253 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:55:20,254 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:55:20,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:55:20,254 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:55:20,255 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:55:20,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:55:20,255 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 10:55:20,255 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 10:55:20,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:55:20,256 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 10:55:20,256 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 10:55:20,256 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_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2018-12-09 10:55:20,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:55:20,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:55:20,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:55:20,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:55:20,285 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:55:20,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-12-09 10:55:20,321 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/1d03cb0d4/c36a7c96492642c5b52ffece6c36f984/FLAG9c12ac4a6 [2018-12-09 10:55:20,726 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:55:20,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-12-09 10:55:20,730 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/1d03cb0d4/c36a7c96492642c5b52ffece6c36f984/FLAG9c12ac4a6 [2018-12-09 10:55:20,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/data/1d03cb0d4/c36a7c96492642c5b52ffece6c36f984 [2018-12-09 10:55:20,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:55:20,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:55:20,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:55:20,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:55:20,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:55:20,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63407dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20, skipping insertion in model container [2018-12-09 10:55:20,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:55:20,762 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:55:20,850 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:55:20,854 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:55:20,863 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:55:20,871 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:55:20,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20 WrapperNode [2018-12-09 10:55:20,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:55:20,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:55:20,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:55:20,872 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:55:20,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:55:20,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:55:20,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:55:20,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:55:20,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... [2018-12-09 10:55:20,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:55:20,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:55:20,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:55:20,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:55:20,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/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 [2018-12-09 10:55:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:55:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:55:21,039 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:55:21,040 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 10:55:21,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:21 BoogieIcfgContainer [2018-12-09 10:55:21,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:55:21,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:55:21,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:55:21,047 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:55:21,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:21" (1/1) ... [2018-12-09 10:55:21,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:55:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:55:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-09 10:55:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-09 10:55:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 10:55:21,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:55:21,107 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 10:55:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:55:21,125 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 10:55:21,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:55:21 ImpRootNode [2018-12-09 10:55:21,137 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:55:21,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:55:21,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:55:21,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:55:21,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:55:21" (3/4) ... [2018-12-09 10:55:21,139 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 10:55:21,160 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8aee46c1-6bde-4ecc-b40f-e08bed903cc4/bin-2019/ukojak/witness.graphml [2018-12-09 10:55:21,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:55:21,161 INFO L168 Benchmark]: Toolchain (without parser) took 420.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:21,162 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:55:21,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:21,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.87 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. [2018-12-09 10:55:21,163 INFO L168 Benchmark]: Boogie Preprocessor took 11.90 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:21,163 INFO L168 Benchmark]: RCFGBuilder took 133.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:55:21,163 INFO L168 Benchmark]: CodeCheck took 96.58 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. [2018-12-09 10:55:21,164 INFO L168 Benchmark]: Witness Printer took 23.55 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. [2018-12-09 10:55:21,166 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, 8 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, 3 NumberOfCodeBlocks, 3 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 - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.87 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. * Boogie Preprocessor took 11.90 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 133.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 96.58 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. * Witness Printer took 23.55 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...