./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_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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 [2018-10-26 23:58:19,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:58:19,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:58:19,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:58:19,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:58:19,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:58:19,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:58:19,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:58:19,111 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:58:19,112 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:58:19,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:58:19,113 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:58:19,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:58:19,115 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:58:19,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:58:19,116 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:58:19,117 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:58:19,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:58:19,120 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:58:19,121 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:58:19,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:58:19,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:58:19,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:58:19,125 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:58:19,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:58:19,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:58:19,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:58:19,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:58:19,129 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:58:19,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:58:19,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:58:19,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:58:19,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:58:19,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:58:19,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:58:19,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:58:19,133 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:58:19,145 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:58:19,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:58:19,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:58:19,146 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:58:19,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:58:19,147 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:58:19,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:58:19,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:58:19,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:58:19,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:58:19,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:58:19,149 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:58:19,149 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:58:19,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:58:19,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:58:19,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:58:19,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:58:19,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:58:19,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:58:19,152 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:58:19,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:58:19,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:58:19,152 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_620a43ea-89e3-4c3b-8494-029d0f889f72/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 [2018-10-26 23:58:19,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:58:19,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:58:19,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:58:19,195 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:58:19,195 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:58:19,196 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-10-26 23:58:19,244 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/debddb677/64bbff77d3a24771a71e54c82601d1b8/FLAG5726ab5c0 [2018-10-26 23:58:19,622 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:58:19,623 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-10-26 23:58:19,628 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/debddb677/64bbff77d3a24771a71e54c82601d1b8/FLAG5726ab5c0 [2018-10-26 23:58:19,639 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/debddb677/64bbff77d3a24771a71e54c82601d1b8 [2018-10-26 23:58:19,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:58:19,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:58:19,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:58:19,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:58:19,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:58:19,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d134b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19, skipping insertion in model container [2018-10-26 23:58:19,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:58:19,676 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:58:19,798 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:58:19,801 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:58:19,812 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:58:19,824 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:58:19,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19 WrapperNode [2018-10-26 23:58:19,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:58:19,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:58:19,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:58:19,826 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:58:19,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:58:19,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:58:19,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:58:19,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:58:19,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... [2018-10-26 23:58:19,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:58:19,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:58:19,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:58:19,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:58:19,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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 [2018-10-26 23:58:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:58:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:58:20,263 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:58:20,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:20 BoogieIcfgContainer [2018-10-26 23:58:20,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:58:20,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:58:20,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:58:20,276 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:58:20,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:20" (1/1) ... [2018-10-26 23:58:20,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:58:20,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:58:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-26 23:58:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-26 23:58:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-26 23:58:20,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:58:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:58:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:58:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:58:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:58:20,475 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 23:58:20,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:58:20 ImpRootNode [2018-10-26 23:58:20,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:58:20,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:58:20,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:58:20,506 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:58:20,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:20" (3/4) ... [2018-10-26 23:58:20,510 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:58:20,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:58:20,511 INFO L168 Benchmark]: Toolchain (without parser) took 869.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:20,513 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:20,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.71 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:20,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:20,516 INFO L168 Benchmark]: Boogie Preprocessor took 12.21 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:20,516 INFO L168 Benchmark]: RCFGBuilder took 400.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:20,517 INFO L168 Benchmark]: CodeCheck took 241.26 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:20,519 INFO L168 Benchmark]: Witness Printer took 4.88 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. [2018-10-26 23:58:20,524 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, 0.1s 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, 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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.71 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.21 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 400.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 241.26 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.88 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 [2018-10-26 23:58:22,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:58:22,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:58:22,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:58:22,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:58:22,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:58:22,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:58:22,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:58:22,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:58:22,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:58:22,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:58:22,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:58:22,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:58:22,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:58:22,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:58:22,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:58:22,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:58:22,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:58:22,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:58:22,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:58:22,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:58:22,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:58:22,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:58:22,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:58:22,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:58:22,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:58:22,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:58:22,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:58:22,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:58:22,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:58:22,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:58:22,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:58:22,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:58:22,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:58:22,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:58:22,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:58:22,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 23:58:22,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:58:22,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:58:22,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:58:22,613 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:58:22,613 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:58:22,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:58:22,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:58:22,614 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:58:22,615 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:58:22,616 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:58:22,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:58:22,616 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:58:22,616 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:58:22,616 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:58:22,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:58:22,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:58:22,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:58:22,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:58:22,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:58:22,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:58:22,617 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 23:58:22,620 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:58:22,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:58:22,620 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:58:22,620 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:58:22,620 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_620a43ea-89e3-4c3b-8494-029d0f889f72/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 [2018-10-26 23:58:22,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:58:22,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:58:22,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:58:22,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:58:22,673 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:58:22,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-10-26 23:58:22,724 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/e4bedf0db/cefc0a8e7517470e9591d989426e191b/FLAG167441b08 [2018-10-26 23:58:23,095 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:58:23,096 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/sv-benchmarks/c/floats-cbmc-regression/float12_true-unreach-call_true-termination.i [2018-10-26 23:58:23,100 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/e4bedf0db/cefc0a8e7517470e9591d989426e191b/FLAG167441b08 [2018-10-26 23:58:23,111 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/data/e4bedf0db/cefc0a8e7517470e9591d989426e191b [2018-10-26 23:58:23,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:58:23,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:58:23,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:58:23,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:58:23,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:58:23,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e77f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23, skipping insertion in model container [2018-10-26 23:58:23,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:58:23,150 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:58:23,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:58:23,289 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:58:23,301 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:58:23,315 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:58:23,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23 WrapperNode [2018-10-26 23:58:23,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:58:23,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:58:23,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:58:23,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:58:23,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:58:23,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:58:23,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:58:23,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:58:23,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:58:23,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:58:23,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:58:23,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:58:23,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:58:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/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 [2018-10-26 23:58:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:58:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:58:23,727 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:58:23,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:23 BoogieIcfgContainer [2018-10-26 23:58:23,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:58:23,728 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:58:23,728 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:58:23,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:58:23,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:23" (1/1) ... [2018-10-26 23:58:23,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:58:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:58:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-26 23:58:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-26 23:58:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-26 23:58:23,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:58:23,844 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 23:58:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:58:24,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:58:24,800 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-10-26 23:58:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:58:29,609 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:58:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:58:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-26 23:58:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-26 23:58:31,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:58:31,557 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 23:58:31,568 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:58:31,700 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-10-26 23:58:31,807 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 23:58:31,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:58:31 ImpRootNode [2018-10-26 23:58:31,808 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:58:31,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:58:31,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:58:31,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:58:31,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:58:23" (3/4) ... [2018-10-26 23:58:31,813 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:58:31,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 23:58:31,823 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:58:31,823 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:58:31,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_620a43ea-89e3-4c3b-8494-029d0f889f72/bin-2019/ukojak/witness.graphml [2018-10-26 23:58:31,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:58:31,868 INFO L168 Benchmark]: Toolchain (without parser) took 8753.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:31,869 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 23:58:31,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.30 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 942.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:31,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:58:31,871 INFO L168 Benchmark]: Boogie Preprocessor took 17.75 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:31,872 INFO L168 Benchmark]: RCFGBuilder took 362.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -215.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:31,873 INFO L168 Benchmark]: CodeCheck took 8080.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:58:31,874 INFO L168 Benchmark]: Witness Printer took 58.18 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. [2018-10-26 23:58:31,878 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, 7.7s 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, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s 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 0.21 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 200.30 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 942.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.75 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -215.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 8080.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 58.18 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...