./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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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 [2018-12-08 15:20:36,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:20:36,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:20:36,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:20:36,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:20:36,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:20:36,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:20:36,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:20:36,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:20:36,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:20:36,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:20:36,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:20:36,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:20:36,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:20:36,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:20:36,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:20:36,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:20:36,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:20:36,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:20:36,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:20:36,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:20:36,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:20:36,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:20:36,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:20:36,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:20:36,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:20:36,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:20:36,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:20:36,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:20:36,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:20:36,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:20:36,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:20:36,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:20:36,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:20:36,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:20:36,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:20:36,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 15:20:36,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:20:36,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:20:36,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:20:36,866 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 15:20:36,866 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:20:36,866 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:20:36,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:20:36,867 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:20:36,868 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 15:20:36,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:20:36,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:20:36,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:20:36,868 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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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 [2018-12-08 15:20:36,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:20:36,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:20:36,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:20:36,899 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:20:36,900 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:20:36,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-08 15:20:36,942 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/bfab638b9/e147da21246b45418a798bfa9a61281d/FLAG0b819bc8f [2018-12-08 15:20:37,349 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:20:37,350 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-08 15:20:37,353 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/bfab638b9/e147da21246b45418a798bfa9a61281d/FLAG0b819bc8f [2018-12-08 15:20:37,361 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/bfab638b9/e147da21246b45418a798bfa9a61281d [2018-12-08 15:20:37,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:20:37,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:20:37,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:20:37,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:20:37,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:20:37,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37, skipping insertion in model container [2018-12-08 15:20:37,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:20:37,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:20:37,467 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:20:37,469 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:20:37,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:20:37,485 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:20:37,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37 WrapperNode [2018-12-08 15:20:37,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:20:37,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:20:37,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:20:37,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:20:37,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:20:37,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:20:37,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:20:37,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:20:37,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:20:37,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:20:37,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:20:37,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:20:37,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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 [2018-12-08 15:20:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:20:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:20:37,658 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:20:37,659 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 15:20:37,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:20:37 BoogieIcfgContainer [2018-12-08 15:20:37,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:20:37,659 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 15:20:37,659 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 15:20:37,666 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 15:20:37,666 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:20:37" (1/1) ... [2018-12-08 15:20:37,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:20:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:20:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-08 15:20:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-08 15:20:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 15:20:37,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:20:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:20:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:20:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:20:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:20:37,763 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-08 15:20:37,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 03:20:37 ImpRootNode [2018-12-08 15:20:37,774 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 15:20:37,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:20:37,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:20:37,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:20:37,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:20:37" (3/4) ... [2018-12-08 15:20:37,777 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 15:20:37,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:20:37,778 INFO L168 Benchmark]: Toolchain (without parser) took 414.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -80.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:20:37,779 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. [2018-12-08 15:20:37,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.56 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:20:37,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:20:37,780 INFO L168 Benchmark]: Boogie Preprocessor took 39.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-08 15:20:37,781 INFO L168 Benchmark]: RCFGBuilder took 115.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:20:37,781 INFO L168 Benchmark]: CodeCheck took 115.00 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 15:20:37,782 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:20:37,784 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 0.14 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 121.56 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 115.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * CodeCheck took 115.00 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 [2018-12-08 15:20:39,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:20:39,106 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:20:39,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:20:39,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:20:39,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:20:39,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:20:39,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:20:39,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:20:39,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:20:39,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:20:39,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:20:39,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:20:39,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:20:39,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:20:39,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:20:39,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:20:39,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:20:39,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:20:39,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:20:39,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:20:39,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:20:39,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:20:39,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:20:39,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:20:39,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:20:39,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:20:39,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:20:39,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:20:39,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:20:39,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:20:39,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:20:39,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:20:39,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:20:39,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:20:39,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:20:39,128 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 15:20:39,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:20:39,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:20:39,138 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:20:39,138 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 15:20:39,139 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:20:39,139 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:20:39,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:20:39,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:20:39,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 15:20:39,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:20:39,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:20:39,141 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:20:39,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:20:39,141 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 15:20:39,141 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 15:20:39,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:20:39,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 15:20:39,142 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 15:20:39,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:20:39,143 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 15:20:39,143 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 15:20:39,143 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_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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 [2018-12-08 15:20:39,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:20:39,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:20:39,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:20:39,177 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:20:39,177 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:20:39,177 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-08 15:20:39,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/1ab56a353/1dbb3c8b6b2b441ea1277df87d6ff010/FLAGc0e92a91b [2018-12-08 15:20:39,636 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:20:39,636 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-12-08 15:20:39,640 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/1ab56a353/1dbb3c8b6b2b441ea1277df87d6ff010/FLAGc0e92a91b [2018-12-08 15:20:39,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/bin-2019/ukojak/data/1ab56a353/1dbb3c8b6b2b441ea1277df87d6ff010 [2018-12-08 15:20:39,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:20:39,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:20:39,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:20:39,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:20:39,653 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:20:39,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3325a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39, skipping insertion in model container [2018-12-08 15:20:39,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:20:39,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:20:39,754 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:20:39,757 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:20:39,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:20:39,775 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:20:39,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39 WrapperNode [2018-12-08 15:20:39,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:20:39,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:20:39,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:20:39,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:20:39,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:20:39,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:20:39,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:20:39,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:20:39,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... [2018-12-08 15:20:39,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:20:39,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:20:39,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:20:39,812 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:20:39,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:20:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48a5e40e-121a-4cc4-8f1d-880dd66d69b6/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 [2018-12-08 15:20:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:20:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:20:41,298 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:20:41,298 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 15:20:41,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:20:41 BoogieIcfgContainer [2018-12-08 15:20:41,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:20:41,299 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 15:20:41,299 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 15:20:41,305 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 15:20:41,305 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:20:41" (1/1) ... [2018-12-08 15:20:41,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:20:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:20:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-08 15:20:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-08 15:20:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 15:20:41,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:20:41,364 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:20:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:20:41,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:20:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:20:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:20:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-08 15:20:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-08 15:20:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 15:20:54,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:20:54,212 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:20:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:20:56,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:20:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:21:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:21:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 15:21:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 15:21:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 15:21:25,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:21:25,218 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:21:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-08 15:21:35,452 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) [2018-12-08 15:21:35,456 INFO L168 Benchmark]: Toolchain (without parser) took 55805.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:21:35,458 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. [2018-12-08 15:21:35,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:21:35,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.57 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:21:35,459 INFO L168 Benchmark]: Boogie Preprocessor took 15.48 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:21:35,460 INFO L168 Benchmark]: RCFGBuilder took 1487.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:21:35,461 INFO L168 Benchmark]: CodeCheck took 54155.36 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:21:35,464 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 125.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 19.57 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.48 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1487.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * CodeCheck took 54155.36 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...