./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 e20164d66b413fd1e6480d779b873570f1c551b2 .................................................................................................................................................................................................................. 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_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 e20164d66b413fd1e6480d779b873570f1c551b2 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:06:14,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:06:14,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:06:14,817 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:06:14,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:06:14,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:06:14,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:06:14,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:06:14,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:06:14,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:06:14,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:06:14,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:06:14,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:06:14,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:06:14,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:06:14,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:06:14,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:06:14,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:06:14,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:06:14,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:06:14,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:06:14,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:06:14,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:06:14,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:06:14,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:06:14,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:06:14,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:06:14,838 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:06:14,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:06:14,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:06:14,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:06:14,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:06:14,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:06:14,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:06:14,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:06:14,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:06:14,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:06:14,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:06:14,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:06:14,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:06:14,852 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:06:14,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:06:14,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:06:14,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:06:14,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:06:14,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:06:14,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:06:14,854 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:06:14,854 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:06:14,854 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:06:14,854 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:06:14,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:06:14,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:06:14,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:06:14,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:06:14,856 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_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2018-11-18 12:06:14,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:06:14,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:06:14,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:06:14,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:06:14,894 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:06:14,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-11-18 12:06:14,936 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/31c591271/72ca1ec3989a43d3989cf03b195c8265/FLAGa87aa3aee [2018-11-18 12:06:15,282 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:06:15,282 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-11-18 12:06:15,286 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/31c591271/72ca1ec3989a43d3989cf03b195c8265/FLAGa87aa3aee [2018-11-18 12:06:15,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/31c591271/72ca1ec3989a43d3989cf03b195c8265 [2018-11-18 12:06:15,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:06:15,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:06:15,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:15,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:06:15,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:06:15,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f418ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15, skipping insertion in model container [2018-11-18 12:06:15,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:06:15,734 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:06:15,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:15,868 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:06:15,881 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:15,893 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:06:15,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15 WrapperNode [2018-11-18 12:06:15,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:15,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:15,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:06:15,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:06:15,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:15,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:06:15,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:06:15,925 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:06:15,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... [2018-11-18 12:06:15,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:06:15,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:06:15,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:06:15,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:06:15,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 [2018-11-18 12:06:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:06:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:06:16,189 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:06:16,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:16 BoogieIcfgContainer [2018-11-18 12:06:16,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:06:16,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:06:16,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:06:16,201 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:06:16,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:16" (1/1) ... [2018-11-18 12:06:16,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:06:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 12:06:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 12:06:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 12:06:16,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:06:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:06:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:06:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:06:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:06:16,348 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 12:06:16,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:06:16 ImpRootNode [2018-11-18 12:06:16,363 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:06:16,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:06:16,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:06:16,364 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:06:16,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:16" (3/4) ... [2018-11-18 12:06:16,367 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:06:16,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:06:16,368 INFO L168 Benchmark]: Toolchain (without parser) took 664.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:16,370 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:16,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.52 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:16,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:16,371 INFO L168 Benchmark]: Boogie Preprocessor took 17.60 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:16,371 INFO L168 Benchmark]: RCFGBuilder took 246.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:16,372 INFO L168 Benchmark]: CodeCheck took 173.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:16,373 INFO L168 Benchmark]: Witness Printer took 4.01 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. [2018-11-18 12:06:16,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 14, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x, y, z, r; [L10] x = 1e8 [L11] y = x + 1 [L12] z = x - 1 [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.52 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.60 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 246.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * CodeCheck took 173.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.01 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 0.1.23-5842f4b [2018-11-18 12:06:17,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:06:17,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:06:17,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:06:17,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:06:17,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:06:17,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:06:17,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:06:17,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:06:17,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:06:17,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:06:17,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:06:17,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:06:17,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:06:17,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:06:17,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:06:17,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:06:17,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:06:17,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:06:17,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:06:17,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:06:17,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:06:17,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:06:17,857 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:06:17,857 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:06:17,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:06:17,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:06:17,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:06:17,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:06:17,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:06:17,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:06:17,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:06:17,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:06:17,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:06:17,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:06:17,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:06:17,863 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 12:06:17,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:06:17,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:06:17,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:06:17,874 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:06:17,874 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:06:17,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:06:17,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:06:17,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:06:17,876 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:06:17,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:06:17,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:06:17,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:06:17,877 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:06:17,877 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_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2018-11-18 12:06:17,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:06:17,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:06:17,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:06:17,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:06:17,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:06:17,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-11-18 12:06:17,952 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/141cef587/1eae437f45d94f9b8bdfa019655db753/FLAGcf4135f3b [2018-11-18 12:06:18,345 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:06:18,346 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-11-18 12:06:18,349 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/141cef587/1eae437f45d94f9b8bdfa019655db753/FLAGcf4135f3b [2018-11-18 12:06:18,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/data/141cef587/1eae437f45d94f9b8bdfa019655db753 [2018-11-18 12:06:18,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:06:18,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:06:18,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:18,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:06:18,364 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:06:18,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785245bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18, skipping insertion in model container [2018-11-18 12:06:18,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:06:18,386 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:06:18,507 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:18,512 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:06:18,524 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:18,535 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:06:18,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18 WrapperNode [2018-11-18 12:06:18,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:18,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:18,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:06:18,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:06:18,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:18,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:06:18,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:06:18,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:06:18,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:06:18,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:06:18,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:06:18,580 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:06:18,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/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 [2018-11-18 12:06:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:06:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:06:18,847 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:06:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:18 BoogieIcfgContainer [2018-11-18 12:06:18,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:06:18,848 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:06:18,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:06:18,857 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:06:18,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:18" (1/1) ... [2018-11-18 12:06:18,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:06:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 12:06:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 12:06:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 12:06:18,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:06:18,931 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 12:06:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:19,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:06:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:06:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 12:06:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 12:06:20,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:06:20,928 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 12:06:20,935 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:06:20,946 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:06:20,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:06:20 ImpRootNode [2018-11-18 12:06:20,948 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:06:20,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:06:20,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:06:20,948 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:06:20,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:18" (3/4) ... [2018-11-18 12:06:20,951 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:06:20,957 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:06:20,958 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 12:06:20,958 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:06:20,980 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eeb0ce16-4399-4db9-ab4f-aafef62e4d05/bin-2019/ukojak/witness.graphml [2018-11-18 12:06:20,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:06:20,981 INFO L168 Benchmark]: Toolchain (without parser) took 2621.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:20,982 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 12:06:20,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 937.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:20,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.49 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:20,983 INFO L168 Benchmark]: Boogie Preprocessor took 17.01 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:20,983 INFO L168 Benchmark]: RCFGBuilder took 268.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 931.8 MB in the beginning and 1.2 GB in the end (delta: -238.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:20,984 INFO L168 Benchmark]: CodeCheck took 2100.15 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:20,984 INFO L168 Benchmark]: Witness Printer took 32.53 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. [2018-11-18 12:06:20,986 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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: 4]: 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 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 937.1 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 25.49 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.01 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 268.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 931.8 MB in the beginning and 1.2 GB in the end (delta: -238.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2100.15 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Witness Printer took 32.53 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...