./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20_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_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ........................................................................................................................................................................................................... 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_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:00:04,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:00:04,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:00:04,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:00:04,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:00:04,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:00:04,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:00:04,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:00:04,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:00:04,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:00:04,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:00:04,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:00:04,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:00:04,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:00:04,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:00:04,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:00:04,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:00:04,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:00:04,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:00:04,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:00:04,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:00:04,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:00:04,862 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:00:04,862 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:00:04,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:00:04,863 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:00:04,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:00:04,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:00:04,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:00:04,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:00:04,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:00:04,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:00:04,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:00:04,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:00:04,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:00:04,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:00:04,868 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:00:04,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:00:04,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:00:04,877 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:00:04,877 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:00:04,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:00:04,878 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:00:04,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:00:04,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:00:04,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:00:04,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:00:04,880 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:00:04,880 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:00:04,880 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:00:04,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:00:04,880 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:00:04,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:04,881 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:00:04,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:00:04,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:00:04,881 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:00:04,881 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:00:04,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:00:04,882 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_dc010676-4fd4-490f-ac58-820ed4d913b3/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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2018-11-10 12:00:04,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:00:04,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:00:04,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:00:04,918 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:00:04,918 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:00:04,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-10 12:00:04,957 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/b24bf8a81/43d72e7263c3407fb5d2d825d746f2b9/FLAG67140f8bf [2018-11-10 12:00:05,346 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:00:05,346 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-10 12:00:05,350 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/b24bf8a81/43d72e7263c3407fb5d2d825d746f2b9/FLAG67140f8bf [2018-11-10 12:00:05,360 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/b24bf8a81/43d72e7263c3407fb5d2d825d746f2b9 [2018-11-10 12:00:05,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:00:05,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:00:05,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:05,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:00:05,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:00:05,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a05bbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05, skipping insertion in model container [2018-11-10 12:00:05,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:00:05,384 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:00:05,482 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:05,484 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:00:05,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:05,508 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:00:05,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05 WrapperNode [2018-11-10 12:00:05,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:05,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:05,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:00:05,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:00:05,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:05,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:00:05,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:00:05,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:00:05,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:00:05,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:00:05,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:00:05,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:00:05,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:00:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:00:05,763 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:05,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:05 BoogieIcfgContainer [2018-11-10 12:00:05,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:05,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:00:05,764 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:00:05,774 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:00:05,774 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:05" (1/1) ... [2018-11-10 12:00:05,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 12:00:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 12:00:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 12:00:05,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:05,926 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 12:00:05,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:00:05 ImpRootNode [2018-11-10 12:00:05,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:00:05,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:00:05,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:00:05,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:00:05,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:05" (3/4) ... [2018-11-10 12:00:05,942 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:00:05,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:00:05,943 INFO L168 Benchmark]: Toolchain (without parser) took 580.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:05,944 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:05,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.02 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:05,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 1.0 GB. Free memory is still 946.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:05,945 INFO L168 Benchmark]: Boogie Preprocessor took 11.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.7 MB in the beginning and 944.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:05,946 INFO L168 Benchmark]: RCFGBuilder took 222.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:05,946 INFO L168 Benchmark]: CodeCheck took 175.19 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: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:05,947 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:05,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L37] float f=__VERIFIER_nondet_float(); [L38] CALL bug(f) [L7] float modifier = (0x1.0p-23 * (1<<1)); [L8] float ulpdiff = min * modifier; [L10] COND TRUE !(ulpdiff == 0x1p-126f) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.02 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 1.0 GB. Free memory is still 946.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.7 MB in the beginning and 944.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 175.19 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: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:00:07,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:00:07,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:00:07,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:00:07,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:00:07,389 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:00:07,390 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:00:07,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:00:07,392 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:00:07,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:00:07,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:00:07,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:00:07,394 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:00:07,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:00:07,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:00:07,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:00:07,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:00:07,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:00:07,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:00:07,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:00:07,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:00:07,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:00:07,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:00:07,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:00:07,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:00:07,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:00:07,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:00:07,406 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:00:07,406 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:00:07,407 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:00:07,407 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:00:07,408 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:00:07,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:00:07,408 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:00:07,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:00:07,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:00:07,409 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:00:07,420 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:00:07,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:00:07,420 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:00:07,420 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:00:07,421 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:00:07,421 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:00:07,421 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:00:07,421 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:00:07,421 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:00:07,422 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:00:07,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:00:07,423 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:00:07,423 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:00:07,423 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:00:07,423 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:00:07,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:00:07,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:07,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:00:07,424 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:00:07,425 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_dc010676-4fd4-490f-ac58-820ed4d913b3/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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2018-11-10 12:00:07,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:00:07,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:00:07,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:00:07,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:00:07,463 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:00:07,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-10 12:00:07,503 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/10a804412/89523907d9f24fd9bf7d882a12593f17/FLAGbf13ceab3 [2018-11-10 12:00:07,828 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:00:07,828 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-10 12:00:07,832 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/10a804412/89523907d9f24fd9bf7d882a12593f17/FLAGbf13ceab3 [2018-11-10 12:00:07,842 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/data/10a804412/89523907d9f24fd9bf7d882a12593f17 [2018-11-10 12:00:07,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:00:07,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:00:07,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:07,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:00:07,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:00:07,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:07" (1/1) ... [2018-11-10 12:00:07,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b46582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:07, skipping insertion in model container [2018-11-10 12:00:07,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:07" (1/1) ... [2018-11-10 12:00:07,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:00:07,873 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:00:08,004 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:08,007 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:00:08,025 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:08,035 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:00:08,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08 WrapperNode [2018-11-10 12:00:08,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:08,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:08,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:00:08,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:00:08,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:08,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:00:08,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:00:08,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:00:08,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:00:08,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:00:08,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:00:08,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:00:08,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:00:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:00:08,940 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:08,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:08 BoogieIcfgContainer [2018-11-10 12:00:08,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:08,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:00:08,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:00:08,950 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:00:08,950 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:08" (1/1) ... [2018-11-10 12:00:08,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 12:00:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 12:00:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 12:00:08,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:09,020 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:09,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-10 12:00:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-10 12:00:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:00:09,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:09,959 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:12,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:19,744 WARN L179 SmtUtils]: Spent 3.57 s on a formula simplification that was a NOOP. DAG size: 19 [2018-11-10 12:00:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:27,279 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 20 [2018-11-10 12:00:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 12:00:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 12:00:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:00:40,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:40,018 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:40,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:48,496 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 12:00:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2018-11-10 12:00:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2018-11-10 12:00:48,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:00:48,800 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 12:00:48,807 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-10 12:00:48,913 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-10 12:00:50,050 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 19 [2018-11-10 12:00:50,053 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:00:50,055 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:00:50,055 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:00:50,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:00:50 ImpRootNode [2018-11-10 12:00:50,056 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:00:50,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:00:50,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:00:50,056 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:00:50,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:08" (3/4) ... [2018-11-10 12:00:50,059 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:00:50,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:00:50,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:00:50,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:00:50,095 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc010676-4fd4-490f-ac58-820ed4d913b3/bin-2019/ukojak/witness.graphml [2018-11-10 12:00:50,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:00:50,096 INFO L168 Benchmark]: Toolchain (without parser) took 42250.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:50,096 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:50,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:50,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:50,097 INFO L168 Benchmark]: Boogie Preprocessor took 14.87 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:50,097 INFO L168 Benchmark]: RCFGBuilder took 868.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:50,098 INFO L168 Benchmark]: CodeCheck took 41115.05 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:50,098 INFO L168 Benchmark]: Witness Printer took 39.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:50,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 3 error locations. SAFE Result, 39.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 3 QuantifiedInterpolants, 272 SizeOfPredicates, 13 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.87 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 868.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * CodeCheck took 41115.05 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 39.23 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...