./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2_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_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/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 0572227f16868054f9308a9d75f98d2abad6a63b ....................................................................................................................................................................................................................... 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_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/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 0572227f16868054f9308a9d75f98d2abad6a63b ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:10:07,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:10:07,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:10:07,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:10:07,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:10:07,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:10:07,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:10:07,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:10:07,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:10:07,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:10:07,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:10:07,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:10:07,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:10:07,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:10:07,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:10:07,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:10:07,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:10:07,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:10:07,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:10:07,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:10:07,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:10:07,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:10:07,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:10:07,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:10:07,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:10:07,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:10:07,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:10:07,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:10:07,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:10:07,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:10:07,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:10:07,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:10:07,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:10:07,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:10:07,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:10:07,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:10:07,704 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:10:07,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:10:07,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:10:07,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:10:07,715 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:10:07,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:10:07,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:10:07,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:10:07,717 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:10:07,717 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:10:07,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:10:07,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:10:07,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:10:07,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:10:07,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:10:07,718 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:10:07,719 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:10:07,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:10:07,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:10:07,719 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_4483ae77-2291-4b44-ac13-76d780b8d7ae/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-11-10 04:10:07,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:10:07,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:10:07,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:10:07,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:10:07,759 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:10:07,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-11-10 04:10:07,805 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/e31adf965/77fef9480e0746bc858bdcfed0358e41/FLAGd5a4829ae [2018-11-10 04:10:08,198 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:10:08,198 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-11-10 04:10:08,202 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/e31adf965/77fef9480e0746bc858bdcfed0358e41/FLAGd5a4829ae [2018-11-10 04:10:08,210 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/e31adf965/77fef9480e0746bc858bdcfed0358e41 [2018-11-10 04:10:08,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:10:08,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:10:08,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:10:08,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:10:08,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:10:08,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe138f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08, skipping insertion in model container [2018-11-10 04:10:08,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:10:08,236 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:10:08,327 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:10:08,329 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:10:08,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:10:08,347 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:10:08,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08 WrapperNode [2018-11-10 04:10:08,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:10:08,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:10:08,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:10:08,348 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:10:08,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:10:08,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:10:08,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:10:08,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:10:08,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:10:08,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:10:08,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:10:08,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:10:08,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:10:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:10:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:10:08,523 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:10:08,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:08 BoogieIcfgContainer [2018-11-10 04:10:08,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:10:08,524 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:10:08,524 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:10:08,532 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:10:08,532 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:08" (1/1) ... [2018-11-10 04:10:08,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:10:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 04:10:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 04:10:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:10:08,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:10:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:10:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:10:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:10:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:10:08,645 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 04:10:08,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:10:08 ImpRootNode [2018-11-10 04:10:08,657 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:10:08,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:10:08,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:10:08,657 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:10:08,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:08" (3/4) ... [2018-11-10 04:10:08,660 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:10:08,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:10:08,660 INFO L168 Benchmark]: Toolchain (without parser) took 447.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:08,661 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:08,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:08,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:08,663 INFO L168 Benchmark]: Boogie Preprocessor took 9.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:08,663 INFO L168 Benchmark]: RCFGBuilder took 148.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:08,664 INFO L168 Benchmark]: CodeCheck took 132.36 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:08,664 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:08,667 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, 20 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L [L10] COND TRUE !(a==1.25) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 18.24 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.21 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 132.36 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:10:10,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:10:10,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:10:10,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:10:10,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:10:10,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:10:10,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:10:10,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:10:10,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:10:10,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:10:10,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:10:10,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:10:10,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:10:10,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:10:10,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:10:10,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:10:10,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:10:10,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:10:10,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:10:10,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:10:10,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:10:10,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:10:10,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:10:10,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:10:10,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:10:10,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:10:10,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:10:10,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:10:10,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:10:10,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:10:10,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:10:10,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:10:10,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:10:10,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:10:10,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:10:10,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:10:10,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:10:10,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:10:10,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:10:10,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:10:10,155 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:10:10,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:10:10,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:10:10,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:10:10,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:10:10,157 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:10:10,157 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:10:10,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:10:10,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:10:10,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:10:10,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:10:10,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:10:10,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:10:10,158 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:10:10,159 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:10:10,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:10:10,159 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:10:10,159 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:10:10,159 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_4483ae77-2291-4b44-ac13-76d780b8d7ae/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-11-10 04:10:10,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:10:10,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:10:10,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:10:10,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:10:10,204 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:10:10,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-11-10 04:10:10,250 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/6aa5cc088/77f9115ec84246f9af585d045440aef5/FLAGad091e226 [2018-11-10 04:10:10,641 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:10:10,641 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-11-10 04:10:10,645 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/6aa5cc088/77f9115ec84246f9af585d045440aef5/FLAGad091e226 [2018-11-10 04:10:10,652 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/data/6aa5cc088/77f9115ec84246f9af585d045440aef5 [2018-11-10 04:10:10,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:10:10,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:10:10,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:10:10,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:10:10,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:10:10,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bfe8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10, skipping insertion in model container [2018-11-10 04:10:10,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:10:10,679 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:10:10,774 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:10:10,779 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:10:10,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:10:10,796 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:10:10,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10 WrapperNode [2018-11-10 04:10:10,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:10:10,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:10:10,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:10:10,798 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:10:10,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:10:10,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:10:10,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:10:10,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:10:10,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... [2018-11-10 04:10:10,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:10:10,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:10:10,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:10:10,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:10:10,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:10:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:10:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:10:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:10:11,184 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:10:11,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:11 BoogieIcfgContainer [2018-11-10 04:10:11,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:10:11,185 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:10:11,185 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:10:11,195 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:10:11,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:11" (1/1) ... [2018-11-10 04:10:11,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:10:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 04:10:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 04:10:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:10:11,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:10:11,269 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:10:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:10:11,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:10:11,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:10:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 04:10:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 04:10:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:10:11,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:10:11,597 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:10:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:10:11,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:10:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:10:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-11-10 04:10:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-10 04:10:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:10:11,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:10:11,653 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:10:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:10:11,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:10:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:10:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-10 04:10:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-10 04:10:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:10:11,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:10:11,705 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:10:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:10:11,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:10:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:10:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:10:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-11-10 04:10:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-11-10 04:10:11,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:10:11,774 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-10 04:10:11,783 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 04:10:11,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:10:11 ImpRootNode [2018-11-10 04:10:11,801 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:10:11,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:10:11,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:10:11,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:10:11,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:10:11" (3/4) ... [2018-11-10 04:10:11,805 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:10:11,811 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 04:10:11,811 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 04:10:11,811 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:10:11,847 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4483ae77-2291-4b44-ac13-76d780b8d7ae/bin-2019/ukojak/witness.graphml [2018-11-10 04:10:11,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:10:11,848 INFO L168 Benchmark]: Toolchain (without parser) took 1193.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:11,850 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:11,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:11,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:10:11,851 INFO L168 Benchmark]: Boogie Preprocessor took 11.65 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:11,851 INFO L168 Benchmark]: RCFGBuilder took 356.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:11,852 INFO L168 Benchmark]: CodeCheck took 615.44 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:10:11,852 INFO L168 Benchmark]: Witness Printer took 46.77 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. [2018-11-10 04:10:11,855 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, 20 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 66 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 4 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 141.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.65 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 356.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 615.44 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.77 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...