./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 .............................................................................................................................................................................................................. 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_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:01:17,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:01:17,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:01:17,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:01:17,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:01:17,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:01:17,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:01:17,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:01:17,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:01:17,514 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:01:17,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:01:17,515 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:01:17,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:01:17,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:01:17,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:01:17,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:01:17,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:01:17,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:01:17,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:01:17,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:01:17,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:01:17,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:01:17,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:01:17,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:01:17,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:01:17,528 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:01:17,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:01:17,529 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:01:17,530 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:01:17,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:01:17,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:01:17,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:01:17,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:01:17,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:01:17,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:01:17,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:01:17,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:01:17,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:01:17,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:01:17,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:01:17,546 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:01:17,546 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:01:17,546 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:01:17,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:01:17,547 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:01:17,547 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:01:17,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:01:17,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:01:17,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:01:17,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:01:17,548 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:01:17,549 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:01:17,549 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:01:17,549 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:01:17,549 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:01:17,549 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:01:17,549 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:01:17,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:01:17,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:01:17,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:01:17,551 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_0b308538-ea57-470f-bb9f-a1ff0740a300/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-10-26 22:01:17,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:01:17,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:01:17,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:01:17,607 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:01:17,608 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:01:17,608 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-10-26 22:01:17,649 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/ee70afd9e/52adb92d64b7479d90f039470c9b56aa/FLAG5f1b2c7f0 [2018-10-26 22:01:17,994 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:01:17,995 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-10-26 22:01:17,999 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/ee70afd9e/52adb92d64b7479d90f039470c9b56aa/FLAG5f1b2c7f0 [2018-10-26 22:01:18,009 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/ee70afd9e/52adb92d64b7479d90f039470c9b56aa [2018-10-26 22:01:18,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:01:18,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:01:18,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:01:18,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:01:18,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:01:18,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d206d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18, skipping insertion in model container [2018-10-26 22:01:18,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:01:18,041 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:01:18,156 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:01:18,160 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:01:18,173 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:01:18,184 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:01:18,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18 WrapperNode [2018-10-26 22:01:18,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:01:18,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:01:18,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:01:18,186 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:01:18,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:01:18,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:01:18,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:01:18,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:01:18,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:01:18,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:01:18,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:01:18,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:01:18,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:01:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:01:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:01:18,597 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:01:18,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:18 BoogieIcfgContainer [2018-10-26 22:01:18,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:01:18,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:01:18,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:01:18,610 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:01:18,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:18" (1/1) ... [2018-10-26 22:01:18,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:01:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:01:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:01:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:01:18,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:01:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:01:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:01:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:01:18,836 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 22:01:18,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:01:18 ImpRootNode [2018-10-26 22:01:18,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:01:18,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:01:18,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:01:18,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:01:18,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:18" (3/4) ... [2018-10-26 22:01:18,866 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:01:18,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:01:18,867 INFO L168 Benchmark]: Toolchain (without parser) took 855.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:18,870 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:18,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:18,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:18,873 INFO L168 Benchmark]: Boogie Preprocessor took 9.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:18,874 INFO L168 Benchmark]: RCFGBuilder took 376.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:18,877 INFO L168 Benchmark]: CodeCheck took 262.94 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:18,878 INFO L168 Benchmark]: Witness Printer took 5.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:18,884 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryDOUBLEoperation at line 6, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 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 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 262.94 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:01:20,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:01:20,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:01:20,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:01:20,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:01:20,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:01:20,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:01:20,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:01:20,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:01:20,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:01:20,679 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:01:20,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:01:20,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:01:20,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:01:20,682 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:01:20,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:01:20,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:01:20,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:01:20,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:01:20,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:01:20,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:01:20,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:01:20,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:01:20,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:01:20,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:01:20,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:01:20,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:01:20,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:01:20,694 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:01:20,695 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:01:20,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:01:20,695 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:01:20,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:01:20,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:01:20,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:01:20,697 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:01:20,698 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:01:20,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:01:20,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:01:20,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:01:20,711 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:01:20,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:01:20,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:01:20,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:01:20,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:01:20,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:01:20,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:01:20,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:01:20,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:01:20,714 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:01:20,715 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:01:20,715 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:01:20,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:01:20,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:01:20,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:01:20,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:01:20,716 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:01:20,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:01:20,716 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:01:20,716 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:01:20,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:01:20,717 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:01:20,717 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:01:20,717 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_0b308538-ea57-470f-bb9f-a1ff0740a300/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-10-26 22:01:20,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:01:20,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:01:20,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:01:20,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:01:20,775 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:01:20,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-10-26 22:01:20,816 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/9c602e7ab/314d0a6bda97482c99e555146f790f07/FLAG638276db2 [2018-10-26 22:01:21,206 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:01:21,207 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-10-26 22:01:21,213 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/9c602e7ab/314d0a6bda97482c99e555146f790f07/FLAG638276db2 [2018-10-26 22:01:21,231 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/data/9c602e7ab/314d0a6bda97482c99e555146f790f07 [2018-10-26 22:01:21,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:01:21,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:01:21,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:01:21,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:01:21,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:01:21,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15adf722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21, skipping insertion in model container [2018-10-26 22:01:21,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:01:21,284 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:01:21,445 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:01:21,451 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:01:21,472 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:01:21,493 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:01:21,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21 WrapperNode [2018-10-26 22:01:21,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:01:21,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:01:21,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:01:21,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:01:21,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:01:21,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:01:21,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:01:21,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:01:21,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:01:21,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:01:21,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:01:21,557 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:01:21,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:01:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:01:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:01:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:01:21,930 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:01:21,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:21 BoogieIcfgContainer [2018-10-26 22:01:21,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:01:21,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:01:21,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:01:21,942 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:01:21,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:21" (1/1) ... [2018-10-26 22:01:21,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:01:21,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:01:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:01:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:01:21,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:01:22,041 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:01:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:01:22,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:01:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:01:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:01:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-26 22:01:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-26 22:01:22,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:01:22,480 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 22:01:22,489 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:01:22,515 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:01:22,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:01:22 ImpRootNode [2018-10-26 22:01:22,518 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:01:22,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:01:22,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:01:22,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:01:22,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:01:21" (3/4) ... [2018-10-26 22:01:22,522 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:01:22,531 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 22:01:22,531 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:01:22,531 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:01:22,568 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b308538-ea57-470f-bb9f-a1ff0740a300/bin-2019/ukojak/witness.graphml [2018-10-26 22:01:22,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:01:22,569 INFO L168 Benchmark]: Toolchain (without parser) took 1334.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:22,571 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:22,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:22,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.23 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:22,572 INFO L168 Benchmark]: Boogie Preprocessor took 28.92 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:01:22,572 INFO L168 Benchmark]: RCFGBuilder took 374.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:22,573 INFO L168 Benchmark]: CodeCheck took 586.12 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:22,573 INFO L168 Benchmark]: Witness Printer took 50.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:01:22,578 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, 0.5s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 9]: 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: 9]: Loop Invariant Derived loop invariant: 1 * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 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 32.23 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.92 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 374.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 586.12 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.75 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...