./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i --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_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 1d363a30f559764c47bcb73d637f2d7196a1b97b .............................................................................................................................................................................................................. 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_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 1d363a30f559764c47bcb73d637f2d7196a1b97b ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:20:30,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:20:30,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:20:30,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:20:30,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:20:30,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:20:30,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:20:30,867 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:20:30,868 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:20:30,869 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:20:30,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:20:30,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:20:30,870 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:20:30,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:20:30,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:20:30,871 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:20:30,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:20:30,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:20:30,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:20:30,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:20:30,874 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:20:30,875 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:20:30,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:20:30,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:20:30,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:20:30,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:20:30,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:20:30,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:20:30,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:20:30,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:20:30,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:20:30,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:20:30,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:20:30,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:20:30,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:20:30,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:20:30,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:20:30,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:20:30,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:20:30,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:20:30,888 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:20:30,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:20:30,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:20:30,888 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:20:30,888 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:20:30,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:20:30,889 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:20:30,889 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:20:30,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:20:30,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:20:30,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:20:30,890 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_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-12-02 02:20:30,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:20:30,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:20:30,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:20:30,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:20:30,917 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:20:30,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-12-02 02:20:30,953 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/5b6495117/ab06d1cc339e461b8a013d6d643e3f27/FLAGa83bd2213 [2018-12-02 02:20:31,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:20:31,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-12-02 02:20:31,289 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/5b6495117/ab06d1cc339e461b8a013d6d643e3f27/FLAGa83bd2213 [2018-12-02 02:20:31,682 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/5b6495117/ab06d1cc339e461b8a013d6d643e3f27 [2018-12-02 02:20:31,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:20:31,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:20:31,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:20:31,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:20:31,688 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:20:31,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343f3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31, skipping insertion in model container [2018-12-02 02:20:31,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:20:31,706 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:20:31,796 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:20:31,799 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:20:31,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:20:31,815 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:20:31,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31 WrapperNode [2018-12-02 02:20:31,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:20:31,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:20:31,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:20:31,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:20:31,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:20:31,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:20:31,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:20:31,834 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:20:31,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... [2018-12-02 02:20:31,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:20:31,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:20:31,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:20:31,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:20:31,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 [2018-12-02 02:20:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:20:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:20:32,002 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:20:32,002 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:20:32,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:32 BoogieIcfgContainer [2018-12-02 02:20:32,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:20:32,003 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:20:32,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:20:32,011 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:20:32,012 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:32" (1/1) ... [2018-12-02 02:20:32,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:20:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:20:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 02:20:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 02:20:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 02:20:32,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:20:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:20:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:20:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:20:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:20:32,121 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 02:20:32,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:20:32 ImpRootNode [2018-12-02 02:20:32,133 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:20:32,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:20:32,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:20:32,133 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:20:32,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:32" (3/4) ... [2018-12-02 02:20:32,136 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 02:20:32,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:20:32,137 INFO L168 Benchmark]: Toolchain (without parser) took 452.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:20:32,138 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:20:32,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:32,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:20:32,140 INFO L168 Benchmark]: Boogie Preprocessor took 39.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:32,140 INFO L168 Benchmark]: RCFGBuilder took 129.72 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:32,141 INFO L168 Benchmark]: CodeCheck took 129.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:20:32,141 INFO L168 Benchmark]: Witness Printer took 3.31 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. [2018-12-02 02:20:32,144 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, 10 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: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L9] double x = 1.0; [L10] double x1 = x/1.6; [L12] COND FALSE !(x1 != x) [L2] COND TRUE !(cond) [L2] __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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 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 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 129.72 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 129.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 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 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 [2018-12-02 02:20:33,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:20:33,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:20:33,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:20:33,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:20:33,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:20:33,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:20:33,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:20:33,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:20:33,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:20:33,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:20:33,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:20:33,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:20:33,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:20:33,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:20:33,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:20:33,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:20:33,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:20:33,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:20:33,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:20:33,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:20:33,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:20:33,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:20:33,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:20:33,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:20:33,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:20:33,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:20:33,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:20:33,474 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:20:33,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:20:33,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:20:33,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:20:33,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:20:33,476 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:20:33,477 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:20:33,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:20:33,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 02:20:33,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:20:33,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:20:33,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:20:33,488 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:20:33,489 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:20:33,489 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:20:33,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:20:33,489 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 02:20:33,490 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 02:20:33,491 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:20:33,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:20:33,491 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:20:33,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:20:33,491 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:20:33,491 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:20:33,492 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:20:33,492 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:20:33,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:20:33,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:20:33,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:20:33,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:20:33,492 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 02:20:33,493 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 02:20:33,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:20:33,493 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 02:20:33,493 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 02:20:33,493 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_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-12-02 02:20:33,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:20:33,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:20:33,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:20:33,527 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:20:33,528 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:20:33,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-12-02 02:20:33,567 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/bec0d082d/660c33b5d8664a7ebf1f4f7b81028edc/FLAG4fb3b1236 [2018-12-02 02:20:33,999 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:20:33,999 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-12-02 02:20:34,003 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/bec0d082d/660c33b5d8664a7ebf1f4f7b81028edc/FLAG4fb3b1236 [2018-12-02 02:20:34,010 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/bin-2019/ukojak/data/bec0d082d/660c33b5d8664a7ebf1f4f7b81028edc [2018-12-02 02:20:34,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:20:34,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:20:34,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:20:34,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:20:34,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:20:34,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4428e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34, skipping insertion in model container [2018-12-02 02:20:34,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:20:34,030 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:20:34,113 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:20:34,117 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:20:34,126 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:20:34,134 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:20:34,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34 WrapperNode [2018-12-02 02:20:34,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:20:34,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:20:34,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:20:34,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:20:34,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:20:34,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:20:34,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:20:34,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:20:34,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... [2018-12-02 02:20:34,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:20:34,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:20:34,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:20:34,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:20:34,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90628d67-58ab-4cbc-b5ab-567fe92b9b87/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 [2018-12-02 02:20:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:20:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:20:35,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:20:35,007 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:20:35,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:35 BoogieIcfgContainer [2018-12-02 02:20:35,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:20:35,008 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:20:35,008 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:20:35,014 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:20:35,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:35" (1/1) ... [2018-12-02 02:20:35,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:20:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:20:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 02:20:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 02:20:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 02:20:35,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:20:35,074 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 02:20:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:20:36,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:20:37,787 WARN L180 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 02:20:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:20:40,868 WARN L180 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 12 [2018-12-02 02:21:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:21:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-02 02:21:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-02 02:21:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:21:04,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:21:04,902 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 02:21:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-02 02:21:16,307 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:509) 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) [2018-12-02 02:21:16,310 INFO L168 Benchmark]: Toolchain (without parser) took 42297.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:21:16,311 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-02 02:21:16,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.44 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. [2018-12-02 02:21:16,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.17 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. [2018-12-02 02:21:16,312 INFO L168 Benchmark]: Boogie Preprocessor took 14.07 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. [2018-12-02 02:21:16,312 INFO L168 Benchmark]: RCFGBuilder took 838.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:21:16,313 INFO L168 Benchmark]: CodeCheck took 41301.57 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:21:16,316 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:509) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.44 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 19.17 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 14.07 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 838.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * CodeCheck took 41301.57 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...