./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/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 f6874e83bb98ef964ab4624a7a111074df579069 ........................................................................................................................................................................................................................ 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_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/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 f6874e83bb98ef964ab4624a7a111074df579069 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:34:20,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:34:20,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:34:20,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:34:20,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:34:20,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:34:20,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:34:20,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:34:20,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:34:20,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:34:20,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:34:20,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:34:20,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:34:20,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:34:20,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:34:20,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:34:20,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:34:20,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:34:20,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:34:20,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:34:20,874 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:34:20,875 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:34:20,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:34:20,877 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:34:20,877 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:34:20,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:34:20,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:34:20,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:34:20,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:34:20,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:34:20,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:34:20,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:34:20,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:34:20,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:34:20,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:34:20,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:34:20,883 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:34:20,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:34:20,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:34:20,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:34:20,894 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:34:20,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:34:20,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:34:20,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:34:20,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:34:20,897 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:34:20,897 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:34:20,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:34:20,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:34:20,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:34:20,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:34:20,899 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_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-11-18 16:34:20,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:34:20,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:34:20,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:34:20,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:34:20,940 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:34:20,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-18 16:34:20,986 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/3486f40f2/e5dfea6ea2d24941860cff161f25b8c2/FLAGeef195dc4 [2018-11-18 16:34:21,367 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:34:21,367 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-18 16:34:21,372 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/3486f40f2/e5dfea6ea2d24941860cff161f25b8c2/FLAGeef195dc4 [2018-11-18 16:34:21,386 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/3486f40f2/e5dfea6ea2d24941860cff161f25b8c2 [2018-11-18 16:34:21,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:34:21,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:34:21,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:34:21,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:34:21,394 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:34:21,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2521d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21, skipping insertion in model container [2018-11-18 16:34:21,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:34:21,424 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:34:21,566 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:34:21,569 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:34:21,583 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:34:21,595 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:34:21,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21 WrapperNode [2018-11-18 16:34:21,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:34:21,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:34:21,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:34:21,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:34:21,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:34:21,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:34:21,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:34:21,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:34:21,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:34:21,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:34:21,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:34:21,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:34:21,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:34:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:34:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:34:21,867 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:34:21,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:34:21 BoogieIcfgContainer [2018-11-18 16:34:21,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:34:21,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:34:21,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:34:21,877 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:34:21,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:34:21" (1/1) ... [2018-11-18 16:34:21,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:34:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 16:34:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 16:34:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 16:34:21,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:34:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:34:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 16:34:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 16:34:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:34:22,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:34:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:34:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:34:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:34:22,065 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 16:34:22,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:34:22 ImpRootNode [2018-11-18 16:34:22,079 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:34:22,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:34:22,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:34:22,080 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:34:22,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:34:21" (3/4) ... [2018-11-18 16:34:22,084 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:34:22,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:34:22,085 INFO L168 Benchmark]: Toolchain (without parser) took 695.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:34:22,087 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:34:22,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.72 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:22,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:22,089 INFO L168 Benchmark]: Boogie Preprocessor took 14.45 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:34:22,089 INFO L168 Benchmark]: RCFGBuilder took 226.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:22,090 INFO L168 Benchmark]: CodeCheck took 211.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:22,091 INFO L168 Benchmark]: Witness Printer took 4.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:22,096 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, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 someBinaryFLOATComparisonOperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/1.6f; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.72 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 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 30.05 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.45 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 226.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 211.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. 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 0.1.23-5842f4b [2018-11-18 16:34:23,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:34:23,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:34:23,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:34:23,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:34:23,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:34:23,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:34:23,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:34:23,803 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:34:23,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:34:23,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:34:23,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:34:23,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:34:23,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:34:23,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:34:23,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:34:23,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:34:23,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:34:23,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:34:23,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:34:23,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:34:23,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:34:23,815 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:34:23,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:34:23,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:34:23,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:34:23,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:34:23,817 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:34:23,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:34:23,819 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:34:23,819 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:34:23,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:34:23,820 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:34:23,820 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:34:23,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:34:23,821 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:34:23,821 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 16:34:23,832 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:34:23,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:34:23,833 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:34:23,833 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:34:23,833 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:34:23,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:34:23,834 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:34:23,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:34:23,835 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:34:23,835 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:34:23,836 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:34:23,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:34:23,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:34:23,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:34:23,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:34:23,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:34:23,836 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:34:23,837 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 16:34:23,837 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:34:23,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:34:23,837 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:34:23,837 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:34:23,837 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_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-11-18 16:34:23,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:34:23,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:34:23,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:34:23,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:34:23,882 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:34:23,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-18 16:34:23,924 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/21880f5ef/71ea76529f5043edacc526688d4f90a7/FLAG198c01252 [2018-11-18 16:34:24,272 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:34:24,273 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-11-18 16:34:24,277 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/21880f5ef/71ea76529f5043edacc526688d4f90a7/FLAG198c01252 [2018-11-18 16:34:24,699 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/data/21880f5ef/71ea76529f5043edacc526688d4f90a7 [2018-11-18 16:34:24,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:34:24,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:34:24,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:34:24,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:34:24,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:34:24,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24, skipping insertion in model container [2018-11-18 16:34:24,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:34:24,736 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:34:24,865 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:34:24,871 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:34:24,882 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:34:24,895 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:34:24,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24 WrapperNode [2018-11-18 16:34:24,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:34:24,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:34:24,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:34:24,897 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:34:24,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:34:24,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:34:24,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:34:24,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:34:24,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... [2018-11-18 16:34:24,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:34:24,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:34:24,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:34:24,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:34:24,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:34:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f410c5d-fee0-4b34-bb1d-fa00a7ec5dff/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:34:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:34:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:34:25,575 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:34:25,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:34:25 BoogieIcfgContainer [2018-11-18 16:34:25,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:34:25,576 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:34:25,577 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:34:25,583 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:34:25,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:34:25" (1/1) ... [2018-11-18 16:34:25,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:34:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 16:34:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 16:34:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 16:34:25,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:25,658 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 16:34:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:34:25,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:34:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:34:25,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 16:34:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 16:34:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:34:25,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:25,689 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 16:34:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:34:25,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:34:26,435 WARN L180 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 16:34:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:34:27,046 WARN L180 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 16:34:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 16:34:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 16:34:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 16:34:32,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:32,485 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 16:34:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:34:35,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:34:35,693 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 16:34:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:34:37,342 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 16:34:40,527 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 16:34:48,649 WARN L180 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 16:34:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:34:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-18 16:34:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-18 16:34:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:34:59,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:34:59,437 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 16:35:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 16:35:09,762 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 16:35:09,764 INFO L168 Benchmark]: Toolchain (without parser) took 45062.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:35:09,765 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:35:09,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:35:09,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.88 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:35:09,769 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:35:09,769 INFO L168 Benchmark]: RCFGBuilder took 632.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:35:09,769 INFO L168 Benchmark]: CodeCheck took 44187.45 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: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:35:09,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.88 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 632.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 44187.45 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: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...