./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c --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_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/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 773baadb55b498633b84884838d360efb3aec808 .............................................................................................................................................................................................................. 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_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/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 773baadb55b498633b84884838d360efb3aec808 .................................................................................................................................................................................................................. 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 05:13:23,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:13:23,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:13:23,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:13:23,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:13:23,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:13:23,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:13:23,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:13:23,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:13:23,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:13:23,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:13:23,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:13:23,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:13:23,165 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:13:23,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:13:23,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:13:23,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:13:23,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:13:23,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:13:23,171 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:13:23,172 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:13:23,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:13:23,174 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:13:23,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:13:23,175 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:13:23,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:13:23,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:13:23,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:13:23,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:13:23,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:13:23,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:13:23,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:13:23,180 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:13:23,180 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:13:23,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:13:23,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:13:23,181 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:13:23,192 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:13:23,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:13:23,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:13:23,193 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:13:23,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:13:23,194 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:13:23,194 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:13:23,194 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:13:23,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:13:23,194 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:13:23,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:13:23,196 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:13:23,196 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:13:23,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:13:23,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:13:23,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:13:23,197 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:13:23,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:13:23,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:13:23,197 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:13:23,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:13:23,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:13:23,197 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_08509236-17d3-4b91-9480-68b2d8edb7e8/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-10 05:13:23,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:13:23,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:13:23,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:13:23,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:13:23,234 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:13:23,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 05:13:23,279 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/21cd3380e/7e4cf2290abf41f2b46a3837f19de591/FLAGa0fa6c2b8 [2018-11-10 05:13:23,669 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:13:23,670 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 05:13:23,674 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/21cd3380e/7e4cf2290abf41f2b46a3837f19de591/FLAGa0fa6c2b8 [2018-11-10 05:13:23,684 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/21cd3380e/7e4cf2290abf41f2b46a3837f19de591 [2018-11-10 05:13:23,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:13:23,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:13:23,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:13:23,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:13:23,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:13:23,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23, skipping insertion in model container [2018-11-10 05:13:23,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:13:23,708 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:13:23,803 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:13:23,806 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:13:23,815 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:13:23,822 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:13:23,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23 WrapperNode [2018-11-10 05:13:23,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:13:23,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:13:23,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:13:23,824 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:13:23,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:13:23,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:13:23,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:13:23,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:13:23,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:23,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:13:23,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:13:23,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:13:23,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:13:23,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/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 05:13:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:13:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:13:23,998 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:13:23,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:23 BoogieIcfgContainer [2018-11-10 05:13:23,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:13:23,999 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:13:23,999 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:13:24,005 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:13:24,005 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:23" (1/1) ... [2018-11-10 05:13:24,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:13:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:13:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 05:13:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 05:13:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 05:13:24,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:13:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:13:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:13:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:13:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:13:24,103 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 05:13:24,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:13:24 ImpRootNode [2018-11-10 05:13:24,114 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:13:24,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:13:24,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:13:24,114 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:13:24,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:23" (3/4) ... [2018-11-10 05:13:24,117 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:13:24,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:13:24,117 INFO L168 Benchmark]: Toolchain (without parser) took 431.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:13:24,119 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:13:24,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:24,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.15 ms. Allocated memory is still 1.0 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:13:24,120 INFO L168 Benchmark]: Boogie Preprocessor took 8.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.0 MB in the beginning and 941.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:24,120 INFO L168 Benchmark]: RCFGBuilder took 147.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 941.3 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:24,121 INFO L168 Benchmark]: CodeCheck took 115.45 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:24,122 INFO L168 Benchmark]: Witness Printer took 2.84 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 05:13:24,126 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, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; [L10] CALL __VERIFIER_assert(x != y) [L4] COND TRUE !(cond) [L4] __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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.15 ms. Allocated memory is still 1.0 GB. Free memory is still 944.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.0 MB in the beginning and 941.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 147.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 941.3 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 115.45 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 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 05:13:25,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:13:25,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:13:25,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:13:25,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:13:25,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:13:25,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:13:25,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:13:25,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:13:25,531 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:13:25,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:13:25,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:13:25,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:13:25,533 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:13:25,534 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:13:25,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:13:25,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:13:25,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:13:25,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:13:25,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:13:25,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:13:25,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:13:25,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:13:25,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:13:25,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:13:25,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:13:25,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:13:25,544 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:13:25,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:13:25,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:13:25,546 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:13:25,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:13:25,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:13:25,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:13:25,547 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:13:25,547 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:13:25,548 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 05:13:25,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:13:25,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:13:25,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:13:25,559 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:13:25,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:13:25,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:13:25,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:13:25,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:13:25,561 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:13:25,562 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:13:25,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:13:25,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:13:25,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:13:25,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:13:25,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:13:25,563 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:13:25,563 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_08509236-17d3-4b91-9480-68b2d8edb7e8/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 -> 773baadb55b498633b84884838d360efb3aec808 [2018-11-10 05:13:25,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:13:25,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:13:25,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:13:25,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:13:25,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:13:25,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 05:13:25,645 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/c6c0d5751/3d364411ebf843159b895bd5c187e5a9/FLAG014aa173b [2018-11-10 05:13:26,028 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:13:26,028 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/sv-benchmarks/c/float-benchs/float_double_true-unreach-call_true-termination.c [2018-11-10 05:13:26,032 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/c6c0d5751/3d364411ebf843159b895bd5c187e5a9/FLAG014aa173b [2018-11-10 05:13:26,040 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/data/c6c0d5751/3d364411ebf843159b895bd5c187e5a9 [2018-11-10 05:13:26,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:13:26,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:13:26,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:13:26,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:13:26,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:13:26,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3871e03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26, skipping insertion in model container [2018-11-10 05:13:26,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:13:26,064 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:13:26,158 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:13:26,163 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:13:26,171 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:13:26,180 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:13:26,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26 WrapperNode [2018-11-10 05:13:26,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:13:26,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:13:26,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:13:26,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:13:26,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:13:26,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:13:26,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:13:26,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:13:26,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:13:26,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:13:26,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:13:26,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:13:26,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:13:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/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 05:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:13:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:13:26,447 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:13:26,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:26 BoogieIcfgContainer [2018-11-10 05:13:26,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:13:26,448 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:13:26,448 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:13:26,455 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:13:26,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:26" (1/1) ... [2018-11-10 05:13:26,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:13:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:13:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 05:13:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 05:13:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 05:13:26,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:13:26,518 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 05:13:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:13:26,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:13:26,688 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 05:13:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:13:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-10 05:13:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-10 05:13:26,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:13:26,851 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 05:13:26,858 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:13:26,863 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:13:26,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:13:26 ImpRootNode [2018-11-10 05:13:26,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:13:26,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:13:26,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:13:26,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:13:26,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:13:26" (3/4) ... [2018-11-10 05:13:26,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:13:26,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:13:26,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 05:13:26,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:13:26,902 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08509236-17d3-4b91-9480-68b2d8edb7e8/bin-2019/ukojak/witness.graphml [2018-11-10 05:13:26,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:13:26,903 INFO L168 Benchmark]: Toolchain (without parser) took 860.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:13:26,904 INFO L168 Benchmark]: CDTParser took 0.14 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 05:13:26,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.68 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 05:13:26,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.56 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 05:13:26,905 INFO L168 Benchmark]: Boogie Preprocessor took 11.27 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 05:13:26,905 INFO L168 Benchmark]: RCFGBuilder took 236.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:26,906 INFO L168 Benchmark]: CodeCheck took 417.10 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:26,906 INFO L168 Benchmark]: Witness Printer took 36.48 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:13:26,909 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, 0.3s 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, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8 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: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 137.68 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 18.56 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 11.27 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 236.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 417.10 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.48 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...