./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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 0.1.23-635dfa2 [2018-12-02 20:34:10,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:34:10,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:34:10,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:34:10,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:34:10,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:34:10,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:34:10,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:34:10,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:34:10,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:34:10,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:34:10,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:34:10,278 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:34:10,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:34:10,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:34:10,279 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:34:10,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:34:10,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:34:10,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:34:10,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:34:10,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:34:10,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:34:10,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:34:10,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:34:10,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:34:10,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:34:10,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:34:10,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:34:10,286 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:34:10,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:34:10,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:34:10,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:34:10,287 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:34:10,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:34:10,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:34:10,288 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:34:10,288 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 20:34:10,295 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:34:10,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:34:10,296 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:34:10,296 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:34:10,296 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:34:10,296 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:34:10,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:34:10,297 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:34:10,298 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:34:10,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:34:10,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:34:10,298 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:34:10,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:34:10,299 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_f4d391ab-1b58-47bd-a7ae-489fab208a07/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 [2018-12-02 20:34:10,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:34:10,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:34:10,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:34:10,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:34:10,329 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:34:10,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-12-02 20:34:10,368 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/7d1574f0f/1661e9cf8c8c4d7580cb0c1e6797a982/FLAG114fcea63 [2018-12-02 20:34:10,753 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:34:10,753 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-12-02 20:34:10,756 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/7d1574f0f/1661e9cf8c8c4d7580cb0c1e6797a982/FLAG114fcea63 [2018-12-02 20:34:10,764 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/7d1574f0f/1661e9cf8c8c4d7580cb0c1e6797a982 [2018-12-02 20:34:10,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:34:10,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:34:10,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:10,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:34:10,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:34:10,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10, skipping insertion in model container [2018-12-02 20:34:10,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:34:10,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:34:10,873 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:10,876 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:34:10,884 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:10,891 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:34:10,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10 WrapperNode [2018-12-02 20:34:10,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:10,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:10,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:34:10,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:34:10,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:10,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:34:10,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:34:10,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:34:10,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... [2018-12-02 20:34:10,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:34:10,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:34:10,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:34:10,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:34:10,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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 20:34:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:34:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:34:11,063 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:34:11,063 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 20:34:11,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:11 BoogieIcfgContainer [2018-12-02 20:34:11,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:34:11,064 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:34:11,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:34:11,070 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:34:11,070 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:11" (1/1) ... [2018-12-02 20:34:11,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:34:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 20:34:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 20:34:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 20:34:11,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:34:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:34:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:34:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:34:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:34:11,165 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 20:34:11,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:34:11 ImpRootNode [2018-12-02 20:34:11,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:34:11,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:34:11,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:34:11,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:34:11,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:11" (3/4) ... [2018-12-02 20:34:11,179 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:34:11,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:34:11,179 INFO L168 Benchmark]: Toolchain (without parser) took 412.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:11,180 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:11,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.49 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:11,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.80 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:11,182 INFO L168 Benchmark]: Boogie Preprocessor took 39.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:11,182 INFO L168 Benchmark]: RCFGBuilder took 112.21 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:11,183 INFO L168 Benchmark]: CodeCheck took 112.04 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:11,183 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:11,186 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 someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/1.6f; [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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.49 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 18.80 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 112.21 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * CodeCheck took 112.04 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:34:12,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:34:12,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:34:12,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:34:12,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:34:12,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:34:12,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:34:12,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:34:12,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:34:12,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:34:12,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:34:12,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:34:12,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:34:12,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:34:12,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:34:12,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:34:12,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:34:12,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:34:12,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:34:12,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:34:12,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:34:12,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:34:12,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:34:12,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:34:12,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:34:12,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:34:12,455 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:34:12,456 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:34:12,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:34:12,457 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:34:12,457 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:34:12,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:34:12,457 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:34:12,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:34:12,458 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:34:12,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:34:12,458 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 20:34:12,466 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:34:12,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:34:12,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:34:12,466 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:34:12,467 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:34:12,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:34:12,467 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:34:12,468 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:34:12,468 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:34:12,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:34:12,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:34:12,469 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 20:34:12,470 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_f4d391ab-1b58-47bd-a7ae-489fab208a07/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 [2018-12-02 20:34:12,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:34:12,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:34:12,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:34:12,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:34:12,501 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:34:12,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-12-02 20:34:12,542 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/ad2e442d2/f117f1b241a14eccaef6d98a9af9c4b4/FLAG1f0479ef9 [2018-12-02 20:34:12,971 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:34:12,971 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-12-02 20:34:12,975 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/ad2e442d2/f117f1b241a14eccaef6d98a9af9c4b4/FLAG1f0479ef9 [2018-12-02 20:34:12,983 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/bin-2019/ukojak/data/ad2e442d2/f117f1b241a14eccaef6d98a9af9c4b4 [2018-12-02 20:34:12,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:34:12,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:34:12,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:12,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:34:12,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:34:12,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:12" (1/1) ... [2018-12-02 20:34:12,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5a08fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:12, skipping insertion in model container [2018-12-02 20:34:12,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:12" (1/1) ... [2018-12-02 20:34:12,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:34:13,007 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:34:13,096 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:13,100 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:34:13,110 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:13,120 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:34:13,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13 WrapperNode [2018-12-02 20:34:13,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:13,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:13,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:34:13,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:34:13,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:13,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:34:13,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:34:13,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:34:13,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:34:13,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:34:13,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:34:13,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:34:13,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4d391ab-1b58-47bd-a7ae-489fab208a07/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 20:34:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:34:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:34:13,392 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:34:13,392 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 20:34:13,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:13 BoogieIcfgContainer [2018-12-02 20:34:13,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:34:13,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:34:13,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:34:13,399 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:34:13,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:13" (1/1) ... [2018-12-02 20:34:13,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:34:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 20:34:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 20:34:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 20:34:13,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:34:13,458 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 20:34:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:13,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:34:14,173 WARN L180 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 20:34:14,183 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 20:34:14,444 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-02 20:34:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:34:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-02 20:34:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-02 20:34:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 20:34:18,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:34:18,043 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 20:34:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:22,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:34:23,097 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-02 20:34:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:24,222 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-02 20:34:27,355 WARN L180 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 20:34:34,565 WARN L180 SmtUtils]: Spent 3.47 s on a formula simplification that was a NOOP. DAG size: 18 [2018-12-02 20:34:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:34:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 20:34:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 20:34:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 20:34:41,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:34:41,682 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-02 20:34:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-02 20:34:51,961 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 20:34:51,963 INFO L168 Benchmark]: Toolchain (without parser) took 38977.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -102.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:51,964 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 20:34:51,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.85 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:51,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.12 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:51,965 INFO L168 Benchmark]: Boogie Preprocessor took 13.96 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:51,965 INFO L168 Benchmark]: RCFGBuilder took 238.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:51,965 INFO L168 Benchmark]: CodeCheck took 38569.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:51,967 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 133.85 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 19.12 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.96 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 238.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * CodeCheck took 38569.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...