./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_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_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/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 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 ............................................................................................................................................................................................................ 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_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/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 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:58:03,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:58:03,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:58:03,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:58:03,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:58:03,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:58:03,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:58:03,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:58:03,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:58:03,618 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:58:03,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:58:03,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:58:03,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:58:03,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:58:03,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:58:03,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:58:03,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:58:03,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:58:03,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:58:03,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:58:03,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:58:03,628 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:58:03,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:58:03,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:58:03,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:58:03,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:58:03,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:58:03,632 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:58:03,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:58:03,633 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:58:03,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:58:03,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:58:03,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:58:03,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:58:03,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:58:03,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:58:03,636 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:58:03,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:58:03,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:58:03,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:58:03,647 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:58:03,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:58:03,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:58:03,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:58:03,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:58:03,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:58:03,650 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:58:03,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:58:03,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:58:03,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:58:03,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:58:03,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:58:03,651 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:58:03,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:58:03,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:58:03,651 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_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/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 -> 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 [2018-12-02 02:58:03,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:58:03,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:58:03,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:58:03,680 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:58:03,680 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:58:03,681 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-02 02:58:03,718 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/93f40bc73/8df33aba02fe42d29dd73049818746cd/FLAG678159a31 [2018-12-02 02:58:04,034 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:58:04,035 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-02 02:58:04,038 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/93f40bc73/8df33aba02fe42d29dd73049818746cd/FLAG678159a31 [2018-12-02 02:58:04,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/93f40bc73/8df33aba02fe42d29dd73049818746cd [2018-12-02 02:58:04,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:58:04,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:58:04,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:58:04,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:58:04,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:58:04,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15319f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04, skipping insertion in model container [2018-12-02 02:58:04,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:58:04,476 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:58:04,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:58:04,567 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:58:04,577 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:58:04,585 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:58:04,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04 WrapperNode [2018-12-02 02:58:04,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:58:04,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:58:04,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:58:04,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:58:04,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:58:04,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:58:04,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:58:04,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:58:04,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:58:04,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:58:04,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:58:04,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:58:04,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:58:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:58:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:58:04,770 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:58:04,770 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:58:04,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:04 BoogieIcfgContainer [2018-12-02 02:58:04,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:58:04,771 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:58:04,771 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:58:04,778 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:58:04,778 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:04" (1/1) ... [2018-12-02 02:58:04,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:58:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:58:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 02:58:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 02:58:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 02:58:04,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:58:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:58:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:58:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:58:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:58:04,880 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 02:58:04,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:58:04 ImpRootNode [2018-12-02 02:58:04,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:58:04,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:58:04,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:58:04,891 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:58:04,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:04" (3/4) ... [2018-12-02 02:58:04,894 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 02:58:04,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:58:04,894 INFO L168 Benchmark]: Toolchain (without parser) took 437.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:58:04,896 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:58:04,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:58:04,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.96 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:58:04,897 INFO L168 Benchmark]: Boogie Preprocessor took 41.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:58:04,897 INFO L168 Benchmark]: RCFGBuilder took 121.70 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:58:04,898 INFO L168 Benchmark]: CodeCheck took 120.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:58:04,898 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:58:04,901 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 someBinaryLONGDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 6. Possible FailurePath: [L6] long double x = 1.0/7.0; [L7] long long res = 0; [L9] int i = 1; [L10] COND FALSE !(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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 20.96 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 121.70 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * CodeCheck took 120.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:58:06,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:58:06,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:58:06,179 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:58:06,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:58:06,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:58:06,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:58:06,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:58:06,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:58:06,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:58:06,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:58:06,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:58:06,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:58:06,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:58:06,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:58:06,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:58:06,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:58:06,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:58:06,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:58:06,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:58:06,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:58:06,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:58:06,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:58:06,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:58:06,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:58:06,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:58:06,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:58:06,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:58:06,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:58:06,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:58:06,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:58:06,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:58:06,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:58:06,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:58:06,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:58:06,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:58:06,193 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 02:58:06,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:58:06,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:58:06,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:58:06,201 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:58:06,202 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:58:06,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:58:06,202 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:58:06,203 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:58:06,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:58:06,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:58:06,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 02:58:06,204 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 02:58:06,204 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_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/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 -> 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 [2018-12-02 02:58:06,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:58:06,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:58:06,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:58:06,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:58:06,233 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:58:06,233 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-02 02:58:06,270 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/b78bd38d6/51175558362a4e7aa5dce067c03e563c/FLAG2ce113998 [2018-12-02 02:58:06,724 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:58:06,725 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-02 02:58:06,728 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/b78bd38d6/51175558362a4e7aa5dce067c03e563c/FLAG2ce113998 [2018-12-02 02:58:06,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/data/b78bd38d6/51175558362a4e7aa5dce067c03e563c [2018-12-02 02:58:06,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:58:06,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:58:06,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:58:06,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:58:06,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:58:06,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06, skipping insertion in model container [2018-12-02 02:58:06,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:58:06,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:58:06,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:58:06,848 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:58:06,858 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:58:06,866 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:58:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06 WrapperNode [2018-12-02 02:58:06,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:58:06,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:58:06,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:58:06,867 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:58:06,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:58:06,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:58:06,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:58:06,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:58:06,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... [2018-12-02 02:58:06,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:58:06,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:58:06,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:58:06,902 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:58:06,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:58:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eab1d646-898a-4cd1-ad8b-e8a71cae79b2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:58:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:58:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:58:08,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:58:08,444 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 02:58:08,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:08 BoogieIcfgContainer [2018-12-02 02:58:08,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:58:08,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:58:08,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:58:08,453 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:58:08,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:58:08" (1/1) ... [2018-12-02 02:58:08,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:58:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:58:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 02:58:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 02:58:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 02:58:08,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:58:08,525 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 02:58:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:58:08,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:58:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:58:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:58:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-02 02:58:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-02 02:58:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:58:21,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:58:21,955 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 02:58:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:58:23,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:58:23,840 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 02:58:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:58:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 02:58:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 02:58:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 02:58:54,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:58:54,329 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 02:59:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-02 02:59:04,580 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 02:59:04,583 INFO L168 Benchmark]: Toolchain (without parser) took 57844.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:59:04,584 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:59:04,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.09 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 02:59:04,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.71 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 02:59:04,586 INFO L168 Benchmark]: Boogie Preprocessor took 14.76 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 02:59:04,587 INFO L168 Benchmark]: RCFGBuilder took 1542.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:59:04,588 INFO L168 Benchmark]: CodeCheck took 56137.12 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:59:04,591 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 0.12 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 127.09 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 19.71 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 14.76 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 1542.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * CodeCheck took 56137.12 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...