./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/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 8ccc35369aa7fc4059706b8166915b481ecdc09d ............................................................................................................................................................................................................ 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_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/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 8ccc35369aa7fc4059706b8166915b481ecdc09d ..................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:19:48,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:19:48,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:19:48,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:19:48,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:19:48,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:19:48,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:19:48,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:19:48,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:19:48,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:19:48,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:19:48,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:19:48,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:19:48,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:19:48,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:19:48,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:19:48,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:19:48,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:19:48,714 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:19:48,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:19:48,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:19:48,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:19:48,718 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:19:48,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:19:48,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:19:48,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:19:48,719 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:19:48,720 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:19:48,720 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:19:48,721 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:19:48,721 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:19:48,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:19:48,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:19:48,722 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:19:48,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:19:48,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:19:48,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:19:48,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:19:48,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:19:48,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:19:48,732 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:19:48,732 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:19:48,732 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:19:48,732 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:19:48,733 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:19:48,734 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:19:48,734 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:19:48,734 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:19:48,734 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:19:48,734 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:19:48,734 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:19:48,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:19:48,735 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:19:48,735 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:19:48,735 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:19:48,735 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:19:48,735 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:19:48,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:19:48,735 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_8370fccb-de30-453b-a5fe-503b7c7022b0/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 -> 8ccc35369aa7fc4059706b8166915b481ecdc09d [2018-11-10 04:19:48,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:19:48,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:19:48,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:19:48,772 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:19:48,772 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:19:48,773 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-11-10 04:19:48,819 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/76674b8c4/f107dacf13e0449dacd6a6ab2322dd15/FLAG7a2800925 [2018-11-10 04:19:49,146 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:19:49,147 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-11-10 04:19:49,150 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/76674b8c4/f107dacf13e0449dacd6a6ab2322dd15/FLAG7a2800925 [2018-11-10 04:19:49,159 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/76674b8c4/f107dacf13e0449dacd6a6ab2322dd15 [2018-11-10 04:19:49,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:19:49,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:19:49,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:49,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:19:49,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:19:49,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45819369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49, skipping insertion in model container [2018-11-10 04:19:49,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:19:49,191 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:19:49,296 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:49,299 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:19:49,315 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:49,324 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:19:49,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49 WrapperNode [2018-11-10 04:19:49,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:49,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:19:49,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:19:49,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:19:49,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:19:49,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:19:49,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:19:49,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:19:49,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:19:49,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:19:49,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:19:49,353 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:19:49,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:19:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:19:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:19:49,516 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:19:49,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:49 BoogieIcfgContainer [2018-11-10 04:19:49,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:19:49,516 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:19:49,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:19:49,523 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:19:49,523 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:49" (1/1) ... [2018-11-10 04:19:49,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:19:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 04:19:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 04:19:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:19:49,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:19:49,643 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 04:19:49,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:19:49 ImpRootNode [2018-11-10 04:19:49,658 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:19:49,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:19:49,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:19:49,659 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:19:49,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:49" (3/4) ... [2018-11-10 04:19:49,663 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:19:49,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:19:49,664 INFO L168 Benchmark]: Toolchain (without parser) took 502.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:49,665 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:49,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:49,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:49,667 INFO L168 Benchmark]: Boogie Preprocessor took 8.50 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:49,667 INFO L168 Benchmark]: RCFGBuilder took 163.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:49,668 INFO L168 Benchmark]: CodeCheck took 142.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:49,668 INFO L168 Benchmark]: Witness Printer took 4.39 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. [2018-11-10 04:19:49,670 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, 17 locations, 3 error locations. UNSAFE Result, 0.1s 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, 3 NumberOfCodeBlocks, 3 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L34] CALL multiply() [L5] float f1=0x1.000000p-1f; [L6] float f2=0x1.fffffep-126f; [L8] float res = f1 * f2; [L10] COND TRUE !(res == 0x1.0p-126f) [L10] __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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 19.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.50 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 163.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 142.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.39 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 0.1.23-1dbac8b [2018-11-10 04:19:51,097 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:19:51,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:19:51,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:19:51,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:19:51,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:19:51,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:19:51,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:19:51,109 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:19:51,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:19:51,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:19:51,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:19:51,111 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:19:51,112 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:19:51,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:19:51,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:19:51,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:19:51,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:19:51,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:19:51,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:19:51,118 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:19:51,119 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:19:51,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:19:51,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:19:51,121 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:19:51,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:19:51,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:19:51,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:19:51,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:19:51,124 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:19:51,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:19:51,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:19:51,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:19:51,125 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:19:51,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:19:51,126 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:19:51,126 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:19:51,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:19:51,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:19:51,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:19:51,138 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:19:51,138 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:19:51,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:19:51,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:19:51,138 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:19:51,139 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:19:51,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:19:51,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:19:51,140 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:19:51,140 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:19:51,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:19:51,140 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:19:51,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:19:51,140 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:19:51,141 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:19:51,141 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_8370fccb-de30-453b-a5fe-503b7c7022b0/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 -> 8ccc35369aa7fc4059706b8166915b481ecdc09d [2018-11-10 04:19:51,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:19:51,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:19:51,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:19:51,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:19:51,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:19:51,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-11-10 04:19:51,216 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/b6062e5a3/1d516a28d3e949ba84eedc6f204e5fb0/FLAGa6c482c19 [2018-11-10 04:19:51,604 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:19:51,604 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6_true-unreach-call_true-termination.i [2018-11-10 04:19:51,608 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/b6062e5a3/1d516a28d3e949ba84eedc6f204e5fb0/FLAGa6c482c19 [2018-11-10 04:19:51,616 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/data/b6062e5a3/1d516a28d3e949ba84eedc6f204e5fb0 [2018-11-10 04:19:51,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:19:51,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:19:51,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:51,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:19:51,622 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:19:51,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66158202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51, skipping insertion in model container [2018-11-10 04:19:51,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:19:51,644 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:19:51,765 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:51,770 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:19:51,784 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:19:51,794 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:19:51,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51 WrapperNode [2018-11-10 04:19:51,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:19:51,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:19:51,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:19:51,795 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:19:51,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:19:51,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:19:51,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:19:51,815 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:19:51,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... [2018-11-10 04:19:51,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:19:51,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:19:51,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:19:51,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:19:51,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:19:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:19:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:19:52,031 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:19:52,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:52 BoogieIcfgContainer [2018-11-10 04:19:52,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:19:52,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:19:52,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:19:52,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:19:52,040 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:52" (1/1) ... [2018-11-10 04:19:52,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:19:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 04:19:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 04:19:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:19:52,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:52,102 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:19:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:19:52,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:19:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:19:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 04:19:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 04:19:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:19:52,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:52,486 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:19:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:19:53,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:19:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:19:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 04:19:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 04:19:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:19:54,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:19:54,503 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:19:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:19:54,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:19:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:19:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:19:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2018-11-10 04:19:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2018-11-10 04:19:54,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:19:54,773 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 04:19:54,780 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-10 04:19:54,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:19:54 ImpRootNode [2018-11-10 04:19:54,792 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:19:54,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:19:54,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:19:54,793 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:19:54,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:19:52" (3/4) ... [2018-11-10 04:19:54,799 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:19:54,806 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:19:54,807 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:19:54,807 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:19:54,833 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8370fccb-de30-453b-a5fe-503b7c7022b0/bin-2019/ukojak/witness.graphml [2018-11-10 04:19:54,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:19:54,833 INFO L168 Benchmark]: Toolchain (without parser) took 3215.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -98.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:54,834 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:54,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:54,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.44 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:54,835 INFO L168 Benchmark]: Boogie Preprocessor took 11.08 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:19:54,835 INFO L168 Benchmark]: RCFGBuilder took 205.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:54,836 INFO L168 Benchmark]: CodeCheck took 2760.50 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:19:54,836 INFO L168 Benchmark]: Witness Printer took 40.65 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. [2018-11-10 04:19:54,838 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, 17 locations, 3 error locations. SAFE Result, 2.7s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 12 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - PositiveResult [Line: 29]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.44 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.08 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 205.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2760.50 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.65 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 proved your program to be correct! Received shutdown request...