./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/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 cdec0b8c4f67592438879c69401fb208f793f01e ................................................................................................................................................................................................................... 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_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/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 cdec0b8c4f67592438879c69401fb208f793f01e .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:06:31,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:06:31,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:06:31,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:06:31,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:06:31,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:06:31,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:06:31,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:06:31,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:06:31,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:06:31,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:06:31,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:06:31,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:06:31,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:06:31,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:06:31,943 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:06:31,943 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:06:31,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:06:31,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:06:31,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:06:31,947 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:06:31,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:06:31,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:06:31,948 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:06:31,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:06:31,949 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:06:31,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:06:31,950 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:06:31,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:06:31,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:06:31,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:06:31,951 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:06:31,951 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:06:31,952 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:06:31,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:06:31,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:06:31,953 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:06:31,960 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:06:31,960 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:06:31,960 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:06:31,960 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:06:31,961 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:06:31,961 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:06:31,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:06:31,962 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:06:31,962 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:06:31,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:06:31,963 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:06:31,963 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:06:31,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:06:31,963 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:06:31,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:06:31,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:06:31,963 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_26f16859-3369-4c32-9855-0a1e767a8777/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 -> cdec0b8c4f67592438879c69401fb208f793f01e [2018-12-08 20:06:31,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:06:31,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:06:31,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:06:31,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:06:31,994 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:06:31,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-12-08 20:06:32,035 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/0525c36e7/b9688d3c734a4d69a5d6ea343303c992/FLAG318f7676c [2018-12-08 20:06:32,437 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:06:32,437 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-12-08 20:06:32,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/0525c36e7/b9688d3c734a4d69a5d6ea343303c992/FLAG318f7676c [2018-12-08 20:06:32,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/0525c36e7/b9688d3c734a4d69a5d6ea343303c992 [2018-12-08 20:06:32,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:06:32,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:06:32,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:06:32,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:06:32,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:06:32,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf44b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32, skipping insertion in model container [2018-12-08 20:06:32,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:06:32,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:06:32,553 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:06:32,556 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:06:32,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:06:32,575 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:06:32,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32 WrapperNode [2018-12-08 20:06:32,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:06:32,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:06:32,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:06:32,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:06:32,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:06:32,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:06:32,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:06:32,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:06:32,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:06:32,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:06:32,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:06:32,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:06:32,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/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 [2018-12-08 20:06:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:06:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:06:32,743 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:06:32,743 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 20:06:32,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:32 BoogieIcfgContainer [2018-12-08 20:06:32,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:06:32,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:06:32,743 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:06:32,750 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:06:32,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:32" (1/1) ... [2018-12-08 20:06:32,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:06:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:06:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 20:06:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 20:06:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 20:06:32,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:06:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:06:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:06:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:06:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:06:32,853 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-08 20:06:32,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:06:32 ImpRootNode [2018-12-08 20:06:32,866 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:06:32,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:06:32,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:06:32,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:06:32,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:32" (3/4) ... [2018-12-08 20:06:32,869 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 20:06:32,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:06:32,870 INFO L168 Benchmark]: Toolchain (without parser) took 419.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:06:32,871 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:06:32,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:32,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:06:32,872 INFO L168 Benchmark]: Boogie Preprocessor took 12.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:32,872 INFO L168 Benchmark]: RCFGBuilder took 134.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:32,873 INFO L168 Benchmark]: CodeCheck took 122.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:32,873 INFO L168 Benchmark]: Witness Printer took 3.00 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. [2018-12-08 20:06:32,875 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 someBinaryArithmeticFLOAToperation at line 8, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; [L10] COND TRUE !(result == target) [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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 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 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.58 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * CodeCheck took 122.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.00 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 0.1.23-635dfa2 [2018-12-08 20:06:34,102 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:06:34,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:06:34,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:06:34,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:06:34,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:06:34,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:06:34,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:06:34,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:06:34,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:06:34,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:06:34,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:06:34,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:06:34,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:06:34,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:06:34,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:06:34,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:06:34,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:06:34,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:06:34,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:06:34,123 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:06:34,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:06:34,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:06:34,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:06:34,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:06:34,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:06:34,127 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:06:34,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:06:34,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:06:34,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:06:34,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:06:34,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:06:34,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:06:34,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:06:34,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:06:34,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:06:34,131 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 20:06:34,141 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:06:34,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:06:34,141 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:06:34,142 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:06:34,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:06:34,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:06:34,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:06:34,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:06:34,143 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:06:34,144 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:06:34,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:06:34,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:06:34,144 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 20:06:34,145 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 20:06:34,145 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:06:34,145 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 20:06:34,145 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 20:06:34,145 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_26f16859-3369-4c32-9855-0a1e767a8777/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 -> cdec0b8c4f67592438879c69401fb208f793f01e [2018-12-08 20:06:34,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:06:34,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:06:34,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:06:34,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:06:34,178 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:06:34,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-12-08 20:06:34,213 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/4d093e481/33d069e797fd468aacaf6000641ad2c7/FLAG2579ff75b [2018-12-08 20:06:34,530 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:06:34,531 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7_true-unreach-call_true-termination.i [2018-12-08 20:06:34,534 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/4d093e481/33d069e797fd468aacaf6000641ad2c7/FLAG2579ff75b [2018-12-08 20:06:34,950 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/data/4d093e481/33d069e797fd468aacaf6000641ad2c7 [2018-12-08 20:06:34,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:06:34,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:06:34,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:06:34,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:06:34,955 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:06:34,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:06:34" (1/1) ... [2018-12-08 20:06:34,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e29c583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:34, skipping insertion in model container [2018-12-08 20:06:34,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:06:34" (1/1) ... [2018-12-08 20:06:34,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:06:34,974 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:06:35,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:06:35,070 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:06:35,080 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:06:35,088 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:06:35,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35 WrapperNode [2018-12-08 20:06:35,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:06:35,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:06:35,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:06:35,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:06:35,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:06:35,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:06:35,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:06:35,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:06:35,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:06:35,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:06:35,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:06:35,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:06:35,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:06:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/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 [2018-12-08 20:06:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:06:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:06:35,271 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:06:35,272 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 20:06:35,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:35 BoogieIcfgContainer [2018-12-08 20:06:35,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:06:35,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:06:35,273 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:06:35,282 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:06:35,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:35" (1/1) ... [2018-12-08 20:06:35,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:06:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:06:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 20:06:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 20:06:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 20:06:35,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:06:35,355 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 20:06:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:06:35,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:06:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:06:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:06:35,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-12-08 20:06:35,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-12-08 20:06:35,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:06:35,783 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-12-08 20:06:35,788 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:06:35,798 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 20:06:35,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:06:35 ImpRootNode [2018-12-08 20:06:35,800 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:06:35,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:06:35,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:06:35,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:06:35,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:06:35" (3/4) ... [2018-12-08 20:06:35,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:06:35,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 20:06:35,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:06:35,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:06:35,829 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_26f16859-3369-4c32-9855-0a1e767a8777/bin-2019/ukojak/witness.graphml [2018-12-08 20:06:35,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:06:35,830 INFO L168 Benchmark]: Toolchain (without parser) took 877.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:06:35,830 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:06:35,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.87 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:35,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.36 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. [2018-12-08 20:06:35,831 INFO L168 Benchmark]: Boogie Preprocessor took 12.35 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:35,831 INFO L168 Benchmark]: RCFGBuilder took 150.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:35,832 INFO L168 Benchmark]: CodeCheck took 527.68 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:06:35,832 INFO L168 Benchmark]: Witness Printer took 28.76 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. [2018-12-08 20:06:35,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. SAFE Result, 0.4s 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, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 4 NumberOfNonLiveVariables, 14 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.87 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 19.36 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 12.35 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * CodeCheck took 527.68 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 28.76 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...