./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/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 c91754c7d707a58127a2dc4a18babac51d557647 .............................................................................................................................................................................................................................................. 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_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/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 c91754c7d707a58127a2dc4a18babac51d557647 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:17:13,053 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:17:13,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:17:13,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:17:13,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:17:13,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:17:13,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:17:13,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:17:13,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:17:13,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:17:13,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:17:13,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:17:13,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:17:13,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:17:13,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:17:13,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:17:13,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:17:13,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:17:13,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:17:13,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:17:13,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:17:13,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:17:13,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:17:13,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:17:13,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:17:13,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:17:13,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:17:13,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:17:13,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:17:13,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:17:13,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:17:13,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:17:13,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:17:13,087 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:17:13,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:17:13,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:17:13,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:17:13,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:17:13,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:17:13,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:17:13,101 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:17:13,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:17:13,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:17:13,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:17:13,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:17:13,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:17:13,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:17:13,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:17:13,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:17:13,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:17:13,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:17:13,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:17:13,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:17:13,105 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:17:13,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:17:13,105 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:17:13,106 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:17:13,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:17:13,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:17:13,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:17:13,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:17:13,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:17:13,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:17:13,107 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:17:13,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:17:13,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:17:13,109 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_e924ecee-9951-4000-b5f9-176d90f4d954/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-11-18 18:17:13,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:17:13,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:17:13,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:17:13,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:17:13,170 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:17:13,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-18 18:17:13,260 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/babd376c0/fab67b6a3bc24a51b7a02fff6c0aae7b/FLAG3626e0881 [2018-11-18 18:17:13,774 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:17:13,777 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-18 18:17:13,794 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/babd376c0/fab67b6a3bc24a51b7a02fff6c0aae7b/FLAG3626e0881 [2018-11-18 18:17:14,100 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/babd376c0/fab67b6a3bc24a51b7a02fff6c0aae7b [2018-11-18 18:17:14,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:17:14,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:17:14,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:17:14,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:17:14,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:17:14,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bfd195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14, skipping insertion in model container [2018-11-18 18:17:14,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:17:14,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:17:14,340 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:17:14,343 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:17:14,362 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:17:14,380 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:17:14,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14 WrapperNode [2018-11-18 18:17:14,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:17:14,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:17:14,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:17:14,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:17:14,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:17:14,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:17:14,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:17:14,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:17:14,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:14,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:17:14,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:17:14,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:17:14,438 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:17:14,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/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 [2018-11-18 18:17:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:17:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:17:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:17:14,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:17:14,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:14 BoogieIcfgContainer [2018-11-18 18:17:14,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:17:14,986 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:17:14,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:17:14,996 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:17:14,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:14" (1/1) ... [2018-11-18 18:17:15,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:17:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:17:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-11-18 18:17:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-11-18 18:17:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:17:15,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:17:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:17:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:17:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:17:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-18 18:17:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-18 18:17:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:17:15,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:17:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:17:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:17:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:17:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:17:15,296 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 18:17:15,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:17:15 ImpRootNode [2018-11-18 18:17:15,328 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:17:15,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:17:15,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:17:15,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:17:15,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:14" (3/4) ... [2018-11-18 18:17:15,333 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:17:15,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:17:15,334 INFO L168 Benchmark]: Toolchain (without parser) took 1230.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:17:15,337 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:17:15,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.86 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 940.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:15,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.0 GB. Free memory was 940.9 MB in the beginning and 938.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:15,341 INFO L168 Benchmark]: Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 938.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:17:15,341 INFO L168 Benchmark]: RCFGBuilder took 547.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:15,343 INFO L168 Benchmark]: CodeCheck took 341.98 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:15,344 INFO L168 Benchmark]: Witness Printer took 5.46 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. [2018-11-18 18:17:15,347 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, 17 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 49]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 33, overapproximation of bitwiseOr at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L43] float x = 0.0f / 0.0f; [L44] float y = __VERIFIER_nondet_float(); [L45] CALL, EXPR copysign_float(x, y) [L13] __uint32_t ix, iy; [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (ix) = gf_u.word [L18] COND FALSE !(0) [L20] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (y) [L22] EXPR, FCALL gf_u.word [L22] (iy) = gf_u.word [L23] COND FALSE !(0) [L25] FCALL ieee_float_shape_type sf_u; [L26] FCALL sf_u.word = ((ix & 0x7fffffff) | (iy & 0x80000000)) [L27] EXPR, FCALL sf_u.value [L27] (x) = sf_u.value [L28] COND FALSE !(0) [L29] RET return x; [L45] EXPR copysign_float(x, y) [L45] float res = copysign_float(x, y); [L48] CALL, EXPR isnan_float(res) [L33] RET return x != x; [L48] EXPR isnan_float(res) [L48] COND TRUE !isnan_float(res) [L49] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.86 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 940.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.0 GB. Free memory was 940.9 MB in the beginning and 938.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.0 GB. Free memory is still 938.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * CodeCheck took 341.98 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.46 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 0.1.23-5842f4b [2018-11-18 18:17:17,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:17:17,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:17:17,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:17:17,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:17:17,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:17:17,446 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:17:17,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:17:17,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:17:17,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:17:17,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:17:17,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:17:17,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:17:17,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:17:17,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:17:17,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:17:17,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:17:17,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:17:17,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:17:17,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:17:17,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:17:17,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:17:17,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:17:17,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:17:17,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:17:17,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:17:17,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:17:17,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:17:17,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:17:17,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:17:17,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:17:17,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:17:17,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:17:17,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:17:17,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:17:17,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:17:17,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 18:17:17,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:17:17,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:17:17,486 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:17:17,487 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:17:17,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:17:17,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:17:17,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:17:17,488 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:17:17,489 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:17:17,489 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:17:17,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:17:17,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:17:17,490 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:17:17,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:17:17,491 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:17:17,491 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:17:17,491 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_e924ecee-9951-4000-b5f9-176d90f4d954/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-11-18 18:17:17,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:17:17,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:17:17,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:17:17,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:17:17,557 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:17:17,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-18 18:17:17,605 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/1e2c6261c/f64bb4fc06ad425ea16f914c955bebb1/FLAGadbce005c [2018-11-18 18:17:17,948 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:17:17,948 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-11-18 18:17:17,953 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/1e2c6261c/f64bb4fc06ad425ea16f914c955bebb1/FLAGadbce005c [2018-11-18 18:17:18,376 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/data/1e2c6261c/f64bb4fc06ad425ea16f914c955bebb1 [2018-11-18 18:17:18,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:17:18,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:17:18,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:17:18,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:17:18,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:17:18,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15007527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18, skipping insertion in model container [2018-11-18 18:17:18,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:17:18,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:17:18,567 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:17:18,571 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:17:18,602 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:17:18,624 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:17:18,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18 WrapperNode [2018-11-18 18:17:18,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:17:18,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:17:18,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:17:18,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:17:18,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:17:18,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:17:18,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:17:18,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:17:18,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... [2018-11-18 18:17:18,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:17:18,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:17:18,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:17:18,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:17:18,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:17:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/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 [2018-11-18 18:17:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 18:17:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:17:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 18:17:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:17:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:17:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 18:17:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 18:17:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:17:18,896 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 18:17:19,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:17:19,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:19 BoogieIcfgContainer [2018-11-18 18:17:19,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:17:19,090 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:17:19,090 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:17:19,100 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:17:19,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:19" (1/1) ... [2018-11-18 18:17:19,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:17:19,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:17:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-11-18 18:17:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-11-18 18:17:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:17:19,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:17:19,170 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:17:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:17:19,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:17:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:17:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:17:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-18 18:17:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-18 18:17:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:17:19,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:17:19,230 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:17:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:17:19,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:17:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:17:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:17:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-18 18:17:19,512 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-18 18:17:19,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:17:19,513 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 18:17:19,520 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:17:19,555 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-18 18:17:19,560 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,564 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,565 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:17:19,565 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-18 18:17:19,565 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,566 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:17:19 ImpRootNode [2018-11-18 18:17:19,566 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:17:19,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:17:19,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:17:19,567 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:17:19,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:17:19" (3/4) ... [2018-11-18 18:17:19,571 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:17:19,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 18:17:19,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 18:17:19,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:17:19,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:17:19,620 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e924ecee-9951-4000-b5f9-176d90f4d954/bin-2019/ukojak/witness.graphml [2018-11-18 18:17:19,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:17:19,621 INFO L168 Benchmark]: Toolchain (without parser) took 1242.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:19,623 INFO L168 Benchmark]: CDTParser took 0.49 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. [2018-11-18 18:17:19,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.88 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:19,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.16 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:17:19,624 INFO L168 Benchmark]: Boogie Preprocessor took 25.91 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:17:19,624 INFO L168 Benchmark]: RCFGBuilder took 405.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:19,624 INFO L168 Benchmark]: CodeCheck took 476.34 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:19,625 INFO L168 Benchmark]: Witness Printer took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:17:19,627 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, 17 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 11 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 49]: 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: 24]: Loop Invariant [2018-11-18 18:17:19,627 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,628 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2018-11-18 18:17:19,628 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 18:17:19,628 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 243.88 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.16 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.91 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 405.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 476.34 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...