./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_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_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 .............................................................................................................................................................................................................. 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_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ............................................................................................................................................................................................................... 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 20:57:23,963 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:57:23,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:57:23,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:57:23,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:57:23,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:57:23,977 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:57:23,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:57:23,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:57:23,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:57:23,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:57:23,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:57:23,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:57:23,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:57:23,985 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:57:23,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:57:23,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:57:23,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:57:23,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:57:23,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:57:23,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:57:23,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:57:24,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:57:24,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:57:24,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:57:24,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:57:24,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:57:24,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:57:24,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:57:24,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:57:24,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:57:24,008 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:57:24,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:57:24,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:57:24,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:57:24,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:57:24,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:57:24,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:57:24,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:57:24,029 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:57:24,029 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:57:24,030 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:57:24,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:57:24,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:57:24,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:57:24,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:57:24,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:57:24,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:57:24,033 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:57:24,033 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:57:24,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:57:24,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:57:24,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:57:24,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:57:24,034 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_674a1466-9186-4eb1-a292-e8021a38ed79/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-10-26 20:57:24,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:57:24,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:57:24,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:57:24,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:57:24,084 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:57:24,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-10-26 20:57:24,126 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/a24695c45/94718e92ab2a47d2bfe29b7dfdf7da93/FLAG593545815 [2018-10-26 20:57:24,511 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:57:24,512 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-10-26 20:57:24,516 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/a24695c45/94718e92ab2a47d2bfe29b7dfdf7da93/FLAG593545815 [2018-10-26 20:57:24,529 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/a24695c45/94718e92ab2a47d2bfe29b7dfdf7da93 [2018-10-26 20:57:24,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:57:24,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:57:24,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:57:24,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:57:24,538 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:57:24,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731e95d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24, skipping insertion in model container [2018-10-26 20:57:24,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:57:24,568 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:57:24,695 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:57:24,698 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:57:24,710 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:57:24,721 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:57:24,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24 WrapperNode [2018-10-26 20:57:24,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:57:24,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:57:24,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:57:24,723 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:57:24,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:57:24,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:57:24,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:57:24,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:57:24,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:24,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:57:24,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:57:24,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:57:24,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:57:24,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/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 20:57:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:57:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:57:24,987 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:57:24,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:24 BoogieIcfgContainer [2018-10-26 20:57:24,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:57:24,988 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:57:24,988 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:57:24,997 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:57:24,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:24" (1/1) ... [2018-10-26 20:57:25,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:57:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:57:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 20:57:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 20:57:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 20:57:25,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:57:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:57:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:57:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:57:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:57:25,136 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 20:57:25,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:57:25 ImpRootNode [2018-10-26 20:57:25,154 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:57:25,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:57:25,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:57:25,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:57:25,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:24" (3/4) ... [2018-10-26 20:57:25,159 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:57:25,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:57:25,159 INFO L168 Benchmark]: Toolchain (without parser) took 627.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:57:25,161 INFO L168 Benchmark]: CDTParser took 0.20 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 20:57:25,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:25,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:57:25,163 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:25,164 INFO L168 Benchmark]: RCFGBuilder took 223.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:25,164 INFO L168 Benchmark]: CodeCheck took 165.88 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:25,165 INFO L168 Benchmark]: Witness Printer took 4.32 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 20:57:25,168 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, 8 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 187.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 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 26.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 165.88 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.32 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 20:57:27,028 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:57:27,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:57:27,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:57:27,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:57:27,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:57:27,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:57:27,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:57:27,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:57:27,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:57:27,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:57:27,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:57:27,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:57:27,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:57:27,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:57:27,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:57:27,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:57:27,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:57:27,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:57:27,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:57:27,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:57:27,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:57:27,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:57:27,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:57:27,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:57:27,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:57:27,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:57:27,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:57:27,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:57:27,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:57:27,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:57:27,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:57:27,063 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:57:27,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:57:27,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:57:27,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:57:27,064 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:57:27,076 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:57:27,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:57:27,077 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:57:27,077 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:57:27,078 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:57:27,078 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:57:27,078 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:57:27,078 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:57:27,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:57:27,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:57:27,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:57:27,080 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:57:27,080 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:57:27,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:57:27,080 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:57:27,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:57:27,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:57:27,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:57:27,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:57:27,081 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:57:27,083 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:57:27,083 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:57:27,084 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:57:27,084 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:57:27,084 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_674a1466-9186-4eb1-a292-e8021a38ed79/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-10-26 20:57:27,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:57:27,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:57:27,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:57:27,133 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:57:27,133 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:57:27,134 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-10-26 20:57:27,180 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/fee1d4906/6ccf997a58784b26972fd6b07ac24a68/FLAG5cd91a1ed [2018-10-26 20:57:27,570 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:57:27,571 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-10-26 20:57:27,575 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/fee1d4906/6ccf997a58784b26972fd6b07ac24a68/FLAG5cd91a1ed [2018-10-26 20:57:27,588 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/data/fee1d4906/6ccf997a58784b26972fd6b07ac24a68 [2018-10-26 20:57:27,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:57:27,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:57:27,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:57:27,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:57:27,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:57:27,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bef8af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27, skipping insertion in model container [2018-10-26 20:57:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:57:27,623 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:57:27,751 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:57:27,757 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:57:27,770 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:57:27,785 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:57:27,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27 WrapperNode [2018-10-26 20:57:27,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:57:27,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:57:27,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:57:27,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:57:27,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:57:27,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:57:27,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:57:27,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:57:27,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... [2018-10-26 20:57:27,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:57:27,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:57:27,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:57:27,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:57:27,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:57:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/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 20:57:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:57:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:57:28,118 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:57:28,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:28 BoogieIcfgContainer [2018-10-26 20:57:28,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:57:28,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:57:28,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:57:28,129 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:57:28,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:28" (1/1) ... [2018-10-26 20:57:28,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:57:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:57:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 20:57:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 20:57:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 20:57:28,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:57:28,217 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:57:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:57:28,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:57:28,569 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 20:57:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:57:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-26 20:57:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-26 20:57:28,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:57:28,999 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 20:57:29,011 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:57:29,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:57:29 ImpRootNode [2018-10-26 20:57:29,031 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:57:29,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:57:29,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:57:29,032 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:57:29,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:57:28" (3/4) ... [2018-10-26 20:57:29,035 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:57:29,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 20:57:29,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 20:57:29,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 20:57:29,077 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_674a1466-9186-4eb1-a292-e8021a38ed79/bin-2019/ukojak/witness.graphml [2018-10-26 20:57:29,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:57:29,078 INFO L168 Benchmark]: Toolchain (without parser) took 1486.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:57:29,079 INFO L168 Benchmark]: CDTParser took 0.18 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 20:57:29,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.16 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 20:57:29,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.67 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 20:57:29,080 INFO L168 Benchmark]: Boogie Preprocessor took 16.63 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 20:57:29,081 INFO L168 Benchmark]: RCFGBuilder took 288.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -228.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:29,082 INFO L168 Benchmark]: CodeCheck took 911.90 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:57:29,083 INFO L168 Benchmark]: Witness Printer took 45.46 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 20:57:29,086 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, 8 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 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: 10]: 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 0.18 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 193.16 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 27.67 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 16.63 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 288.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -228.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 911.90 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.46 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...