./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float12_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_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 c82214860fee184bc373305d606fd208dd65fd42 ............................................................................................................................................................................................................. 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_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 c82214860fee184bc373305d606fd208dd65fd42 ................................................................................................................................................................................................................. 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 07:11:35,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:11:35,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:11:35,745 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:11:35,745 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:11:35,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:11:35,747 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:11:35,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:11:35,749 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:11:35,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:11:35,751 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:11:35,751 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:11:35,751 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:11:35,752 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:11:35,753 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:11:35,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:11:35,754 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:11:35,755 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:11:35,757 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:11:35,758 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:11:35,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:11:35,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:11:35,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:11:35,761 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:11:35,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:11:35,762 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:11:35,763 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:11:35,763 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:11:35,764 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:11:35,764 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:11:35,765 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:11:35,765 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:11:35,765 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:11:35,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:11:35,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:11:35,767 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:11:35,767 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:11:35,777 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:11:35,777 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:11:35,778 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:11:35,778 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:11:35,778 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:11:35,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:11:35,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:11:35,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:11:35,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:11:35,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:11:35,779 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:11:35,780 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:11:35,780 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:11:35,781 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:11:35,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:11:35,781 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:11:35,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:11:35,781 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:11:35,781 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:11:35,782 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:11:35,782 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:11:35,782 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:11:35,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:11:35,782 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_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 -> c82214860fee184bc373305d606fd208dd65fd42 [2018-11-10 07:11:35,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:11:35,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:11:35,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:11:35,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:11:35,818 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:11:35,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-10 07:11:35,863 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/90f965fea/05f6d2c849fa46c799197f8abd7491a6/FLAG11f296338 [2018-11-10 07:11:36,259 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:11:36,259 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-10 07:11:36,264 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/90f965fea/05f6d2c849fa46c799197f8abd7491a6/FLAG11f296338 [2018-11-10 07:11:36,274 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/90f965fea/05f6d2c849fa46c799197f8abd7491a6 [2018-11-10 07:11:36,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:11:36,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:11:36,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:36,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:11:36,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:11:36,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69394d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36, skipping insertion in model container [2018-11-10 07:11:36,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:11:36,301 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:11:36,396 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:36,398 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:11:36,408 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:36,416 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:11:36,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36 WrapperNode [2018-11-10 07:11:36,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:36,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:36,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:11:36,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:11:36,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:36,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:11:36,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:11:36,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:11:36,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:11:36,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:11:36,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:11:36,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:11:36,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 07:11:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:11:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:11:36,606 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:11:36,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:36 BoogieIcfgContainer [2018-11-10 07:11:36,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:11:36,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:11:36,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:11:36,613 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:11:36,614 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:36" (1/1) ... [2018-11-10 07:11:36,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:11:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 07:11:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 07:11:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 07:11:36,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:11:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:11:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:11:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:11:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:11:36,718 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:11:36,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:11:36 ImpRootNode [2018-11-10 07:11:36,730 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:11:36,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:11:36,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:11:36,730 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:11:36,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:36" (3/4) ... [2018-11-10 07:11:36,733 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:11:36,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:11:36,734 INFO L168 Benchmark]: Toolchain (without parser) took 457.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -99.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:36,735 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:36,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:36,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:36,736 INFO L168 Benchmark]: Boogie Preprocessor took 10.25 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:36,736 INFO L168 Benchmark]: RCFGBuilder took 158.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:36,737 INFO L168 Benchmark]: CodeCheck took 123.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:36,738 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:36,741 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, 9 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: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L6] float f = __VERIFIER_nondet_float(); [L7] double d; [L8] unsigned char x = __VERIFIER_nondet_uchar(); [L10] d=f [L12] COND TRUE f==x [L13] COND TRUE !(d==x) [L13] __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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.72 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.25 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 158.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 123.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:11:38,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:11:38,200 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:11:38,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:11:38,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:11:38,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:11:38,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:11:38,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:11:38,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:11:38,212 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:11:38,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:11:38,213 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:11:38,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:11:38,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:11:38,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:11:38,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:11:38,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:11:38,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:11:38,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:11:38,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:11:38,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:11:38,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:11:38,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:11:38,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:11:38,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:11:38,225 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:11:38,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:11:38,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:11:38,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:11:38,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:11:38,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:11:38,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:11:38,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:11:38,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:11:38,230 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:11:38,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:11:38,231 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:11:38,242 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:11:38,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:11:38,243 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:11:38,243 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:11:38,243 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:11:38,243 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:11:38,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:11:38,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:11:38,245 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:11:38,245 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:11:38,246 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:11:38,246 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:11:38,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:11:38,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:11:38,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:11:38,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:11:38,246 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:11:38,247 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:11:38,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:11:38,247 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:11:38,247 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:11:38,247 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_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 -> c82214860fee184bc373305d606fd208dd65fd42 [2018-11-10 07:11:38,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:11:38,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:11:38,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:11:38,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:11:38,292 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:11:38,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-10 07:11:38,338 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/55d8d4737/5527a61879ca4853980059e25f6b2ded/FLAGfc4969086 [2018-11-10 07:11:38,645 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:11:38,645 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-11-10 07:11:38,649 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/55d8d4737/5527a61879ca4853980059e25f6b2ded/FLAGfc4969086 [2018-11-10 07:11:38,660 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/data/55d8d4737/5527a61879ca4853980059e25f6b2ded [2018-11-10 07:11:38,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:11:38,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:11:38,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:38,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:11:38,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:11:38,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3dcc49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38, skipping insertion in model container [2018-11-10 07:11:38,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:11:38,691 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:11:38,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:38,796 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:11:38,808 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:38,820 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:11:38,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38 WrapperNode [2018-11-10 07:11:38,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:38,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:38,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:11:38,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:11:38,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:38,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:11:38,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:11:38,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:11:38,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... [2018-11-10 07:11:38,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:11:38,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:11:38,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:11:38,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:11:38,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/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 07:11:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:11:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:11:39,148 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:11:39,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:39 BoogieIcfgContainer [2018-11-10 07:11:39,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:11:39,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:11:39,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:11:39,157 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:11:39,158 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:39" (1/1) ... [2018-11-10 07:11:39,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:11:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 07:11:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 07:11:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 07:11:39,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:11:39,225 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:11:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:39,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:11:41,243 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 07:11:43,844 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 07:11:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:11:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-11-10 07:11:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-11-10 07:11:45,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:11:45,496 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 07:11:45,504 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:11:45,607 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-10 07:11:45,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:11:45 ImpRootNode [2018-11-10 07:11:45,703 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:11:45,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:11:45,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:11:45,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:11:45,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:39" (3/4) ... [2018-11-10 07:11:45,707 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:11:45,715 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 07:11:45,715 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:11:45,715 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:11:45,746 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cce3db41-56b1-4c6c-bc8e-5e926f332012/bin-2019/ukojak/witness.graphml [2018-11-10 07:11:45,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:11:45,746 INFO L168 Benchmark]: Toolchain (without parser) took 7083.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:45,747 INFO L168 Benchmark]: CDTParser took 0.16 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 07:11:45,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:45,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:11:45,748 INFO L168 Benchmark]: Boogie Preprocessor took 14.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:45,749 INFO L168 Benchmark]: RCFGBuilder took 286.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:45,749 INFO L168 Benchmark]: CodeCheck took 6554.58 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:11:45,750 INFO L168 Benchmark]: Witness Printer took 42.37 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 07:11:45,752 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, 9 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 54 SizeOfPredicates, 3 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 156.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 286.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 6554.58 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.37 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 proved your program to be correct! Received shutdown request...