./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:09:48,429 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:48,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:48,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:48,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:48,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:48,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:48,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:48,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:48,444 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:48,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:48,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:48,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:48,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:48,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:48,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:48,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:48,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:48,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:48,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:48,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:48,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:48,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:48,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:48,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:48,456 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:48,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:48,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:48,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:48,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:48,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:48,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:48,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:48,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:48,460 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:48,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:48,461 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:09:48,471 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:48,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:48,472 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:48,472 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:48,473 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:48,473 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:48,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:48,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:09:48,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:09:48,473 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:09:48,473 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:48,474 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:48,474 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:09:48,476 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:09:48,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:48,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:48,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:09:48,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:48,477 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:48,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:48,477 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:09:48,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:48,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:09:48,477 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_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-10 07:09:48,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:48,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:48,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:48,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:48,515 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:48,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-10 07:09:48,558 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/002ca2650/e08dc0e17e6d471eaa86f3ba4ed89d39/FLAGa09666605 [2018-11-10 07:09:48,878 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:48,879 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-10 07:09:48,884 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/002ca2650/e08dc0e17e6d471eaa86f3ba4ed89d39/FLAGa09666605 [2018-11-10 07:09:48,895 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/002ca2650/e08dc0e17e6d471eaa86f3ba4ed89d39 [2018-11-10 07:09:48,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:48,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:09:48,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:48,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:48,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:48,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:48" (1/1) ... [2018-11-10 07:09:48,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ca410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:48, skipping insertion in model container [2018-11-10 07:09:48,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:48" (1/1) ... [2018-11-10 07:09:48,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:48,922 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:49,010 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:49,013 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:49,024 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:49,033 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:49,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49 WrapperNode [2018-11-10 07:09:49,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:49,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:49,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:09:49,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:09:49,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:49,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:49,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:49,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:49,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:49,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:49,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:49,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:49,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/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 07:09:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:49,236 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:49,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:49 BoogieIcfgContainer [2018-11-10 07:09:49,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:49,237 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:09:49,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:09:49,246 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:09:49,246 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:49" (1/1) ... [2018-11-10 07:09:49,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:09:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:09:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:09:49,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:09:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:49,374 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:09:49,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:09:49 ImpRootNode [2018-11-10 07:09:49,390 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:09:49,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:49,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:49,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:49,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:49" (3/4) ... [2018-11-10 07:09:49,394 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:09:49,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:49,395 INFO L168 Benchmark]: Toolchain (without parser) took 496.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:49,396 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:49,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:49,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.84 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 947.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:49,398 INFO L168 Benchmark]: Boogie Preprocessor took 8.69 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:49,399 INFO L168 Benchmark]: RCFGBuilder took 174.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:49,399 INFO L168 Benchmark]: CodeCheck took 152.98 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:49,400 INFO L168 Benchmark]: Witness Printer took 3.99 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 07:09:49,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryDOUBLEoperation at line 6, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 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 18.84 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 947.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.69 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * CodeCheck took 152.98 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 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 07:09:50,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:50,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:50,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:50,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:50,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:50,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:50,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:50,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:50,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:50,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:50,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:50,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:50,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:50,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:50,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:50,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:50,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:50,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:50,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:50,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:50,823 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:50,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:50,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:50,825 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:50,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:50,826 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:50,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:50,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:50,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:50,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:50,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:50,828 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:50,828 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:50,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:50,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:50,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:09:50,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:50,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:50,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:50,840 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:50,840 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:50,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:50,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:50,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:09:50,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:09:50,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:50,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:50,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:50,842 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:09:50,844 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:09:50,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:50,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:50,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:09:50,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:09:50,845 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:09:50,845 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_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-10 07:09:50,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:50,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:50,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:50,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:50,891 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:50,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-10 07:09:50,937 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/7b215a522/267a58bd7981400787ed899672ad075e/FLAG421ed4e78 [2018-11-10 07:09:51,258 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:51,258 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-10 07:09:51,262 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/7b215a522/267a58bd7981400787ed899672ad075e/FLAG421ed4e78 [2018-11-10 07:09:51,269 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/data/7b215a522/267a58bd7981400787ed899672ad075e [2018-11-10 07:09:51,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:51,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:09:51,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:51,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:51,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:51,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ef0fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51, skipping insertion in model container [2018-11-10 07:09:51,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:51,292 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:51,409 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:51,414 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:51,426 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:51,435 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:51,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51 WrapperNode [2018-11-10 07:09:51,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:51,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:51,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:09:51,436 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:09:51,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:51,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:51,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:51,455 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:51,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:51,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:51,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:51,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:51,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/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 07:09:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:51,631 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:51,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:51 BoogieIcfgContainer [2018-11-10 07:09:51,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:51,632 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:09:51,632 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:09:51,640 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:09:51,640 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:51" (1/1) ... [2018-11-10 07:09:51,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:09:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:09:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:09:51,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:09:51,702 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:09:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:51,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:09:51,802 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 07:09:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-10 07:09:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-10 07:09:51,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:09:51,924 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 07:09:51,934 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:09:51,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:09:51,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:09:51 ImpRootNode [2018-11-10 07:09:51,950 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:09:51,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:51,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:51,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:51,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:51" (3/4) ... [2018-11-10 07:09:51,954 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:09:51,963 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 07:09:51,963 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:09:51,963 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:09:51,986 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f52c305c-9dfa-467e-b196-bc15fc2f0f58/bin-2019/ukojak/witness.graphml [2018-11-10 07:09:51,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:51,987 INFO L168 Benchmark]: Toolchain (without parser) took 715.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:51,988 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 07:09:51,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:51,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.39 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 937.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:51,989 INFO L168 Benchmark]: Boogie Preprocessor took 10.96 ms. Allocated memory is still 1.0 GB. Free memory is still 937.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:51,990 INFO L168 Benchmark]: RCFGBuilder took 165.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:51,990 INFO L168 Benchmark]: CodeCheck took 317.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:51,991 INFO L168 Benchmark]: Witness Printer took 36.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:51,993 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, 0.2s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 162.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.4 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 19.39 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 937.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.96 ms. Allocated memory is still 1.0 GB. Free memory is still 937.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 317.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 36.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...