./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 064927d7c1e3d8158c8524deee46f65d988c7936 ................................................................................................................................................................................................................................................. 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_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 064927d7c1e3d8158c8524deee46f65d988c7936 .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:08:40,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:08:40,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:08:40,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:08:40,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:08:40,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:08:40,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:08:40,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:08:40,334 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:08:40,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:08:40,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:08:40,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:08:40,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:08:40,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:08:40,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:08:40,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:08:40,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:08:40,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:08:40,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:08:40,339 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:08:40,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:08:40,341 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:08:40,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:08:40,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:08:40,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:08:40,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:08:40,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:08:40,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:08:40,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:08:40,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:08:40,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:08:40,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:08:40,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:08:40,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:08:40,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:08:40,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:08:40,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:08:40,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:08:40,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:08:40,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:08:40,354 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:08:40,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:08:40,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:08:40,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:08:40,356 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:08:40,356 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:08:40,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:08:40,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:08:40,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:08:40,358 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_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 -> 064927d7c1e3d8158c8524deee46f65d988c7936 [2018-12-02 03:08:40,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:08:40,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:08:40,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:08:40,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:08:40,384 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:08:40,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-02 03:08:40,416 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/e40f35ae5/77aa4a366ebb4d9587c7bca43705867b/FLAG4168aadc4 [2018-12-02 03:08:40,845 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:08:40,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-02 03:08:40,850 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/e40f35ae5/77aa4a366ebb4d9587c7bca43705867b/FLAG4168aadc4 [2018-12-02 03:08:40,860 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/e40f35ae5/77aa4a366ebb4d9587c7bca43705867b [2018-12-02 03:08:40,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:08:40,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:08:40,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:08:40,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:08:40,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:08:40,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:40" (1/1) ... [2018-12-02 03:08:40,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eade82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:40, skipping insertion in model container [2018-12-02 03:08:40,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:40" (1/1) ... [2018-12-02 03:08:40,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:08:40,885 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:08:40,992 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:08:40,994 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:08:41,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:08:41,022 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:08:41,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41 WrapperNode [2018-12-02 03:08:41,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:08:41,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:08:41,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:08:41,023 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:08:41,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:08:41,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:08:41,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:08:41,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:08:41,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:08:41,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:08:41,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:08:41,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:08:41,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 [2018-12-02 03:08:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 03:08:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 03:08:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 03:08:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:08:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:08:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:08:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:08:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:08:41,351 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:08:41,351 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 03:08:41,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:41 BoogieIcfgContainer [2018-12-02 03:08:41,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:08:41,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:08:41,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:08:41,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:08:41,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:41" (1/1) ... [2018-12-02 03:08:41,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:08:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-02 03:08:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-02 03:08:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 03:08:41,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:08:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-02 03:08:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-02 03:08:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:08:41,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:41,556 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 03:08:41,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:08:41 ImpRootNode [2018-12-02 03:08:41,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:08:41,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:08:41,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:08:41,581 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:08:41,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:41" (3/4) ... [2018-12-02 03:08:41,585 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:08:41,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:08:41,585 INFO L168 Benchmark]: Toolchain (without parser) took 722.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:41,587 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:08:41,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.58 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:41,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:41,588 INFO L168 Benchmark]: Boogie Preprocessor took 20.99 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. [2018-12-02 03:08:41,589 INFO L168 Benchmark]: RCFGBuilder took 255.21 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:41,589 INFO L168 Benchmark]: CodeCheck took 228.78 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:41,590 INFO L168 Benchmark]: Witness Printer took 3.93 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. [2018-12-02 03:08:41,592 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 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 74. Possible FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L46] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L19] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] RET, EXPR __fpclassify_double(x) [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.58 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.99 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. * RCFGBuilder took 255.21 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * CodeCheck took 228.78 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.93 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 0.1.23-635dfa2 [2018-12-02 03:08:42,920 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:08:42,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:08:42,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:08:42,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:08:42,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:08:42,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:08:42,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:08:42,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:08:42,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:08:42,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:08:42,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:08:42,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:08:42,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:08:42,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:08:42,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:08:42,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:08:42,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:08:42,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:08:42,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:08:42,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:08:42,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:08:42,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:08:42,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:08:42,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:08:42,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:08:42,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:08:42,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:08:42,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:08:42,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:08:42,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:08:42,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:08:42,940 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:08:42,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:08:42,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:08:42,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:08:42,941 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 03:08:42,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:08:42,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:08:42,949 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:08:42,949 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:08:42,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:08:42,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:08:42,950 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:08:42,951 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:08:42,951 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:08:42,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:08:42,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 03:08:42,952 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 03:08:42,952 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_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 -> 064927d7c1e3d8158c8524deee46f65d988c7936 [2018-12-02 03:08:42,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:08:42,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:08:42,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:08:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:08:42,979 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:08:42,980 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-02 03:08:43,014 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/6b882d359/ca12b285ed0941c6a270a16288016682/FLAG123fcde5e [2018-12-02 03:08:43,425 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:08:43,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-02 03:08:43,430 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/6b882d359/ca12b285ed0941c6a270a16288016682/FLAG123fcde5e [2018-12-02 03:08:43,437 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/data/6b882d359/ca12b285ed0941c6a270a16288016682 [2018-12-02 03:08:43,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:08:43,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:08:43,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:08:43,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:08:43,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:08:43,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43, skipping insertion in model container [2018-12-02 03:08:43,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:08:43,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:08:43,553 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:08:43,556 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:08:43,573 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:08:43,591 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:08:43,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43 WrapperNode [2018-12-02 03:08:43,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:08:43,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:08:43,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:08:43,592 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:08:43,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:08:43,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:08:43,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:08:43,620 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:08:43,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... [2018-12-02 03:08:43,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:08:43,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:08:43,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:08:43,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:08:43,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:08:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/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 [2018-12-02 03:08:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 03:08:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 03:08:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 03:08:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:08:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 03:08:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:08:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:08:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:08:43,818 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:08:43,900 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:08:44,023 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:08:44,023 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 03:08:44,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:44 BoogieIcfgContainer [2018-12-02 03:08:44,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:08:44,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:08:44,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:08:44,030 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:08:44,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:44" (1/1) ... [2018-12-02 03:08:44,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:08:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-02 03:08:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-02 03:08:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 03:08:44,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:44,093 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:44,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:08:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:08:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-02 03:08:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-02 03:08:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 03:08:44,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:44,132 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:44,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:08:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:08:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-02 03:08:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-02 03:08:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 03:08:44,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:44,256 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:44,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:08:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:08:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-02 03:08:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-02 03:08:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 03:08:44,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:44,271 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:44,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:08:44,353 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 03:08:44,354 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 03:08:44,357 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-02 03:08:44,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-02 03:08:44,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 03:08:44,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-02 03:08:44,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-02 03:08:44,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 03:08:44,465 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:08:44,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:08:44,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 03:08:44,477 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-02 03:08:50,829 WARN L180 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 4206 DAG size of output: 217 [2018-12-02 03:08:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:08:52,379 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-12-02 03:08:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-02 03:08:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-02 03:08:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 03:08:52,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:52,739 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:08:52,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:08:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 03:08:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:08:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 22 transitions. [2018-12-02 03:08:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-02 03:08:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:08:53,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:08:53,384 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 03:08:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:08:53,565 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-02 03:08:53,580 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,581 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,581 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,581 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,582 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,582 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:08:53 ImpRootNode [2018-12-02 03:08:53,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:08:53,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:08:53,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:08:53,585 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:08:53,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:08:44" (3/4) ... [2018-12-02 03:08:53,587 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 03:08:53,590 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,590 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,590 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 03:08:53,591 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,591 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,591 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 03:08:53,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_645bb4de-9b92-4d27-b45d-b45fb5252ae9/bin-2019/ukojak/witness.graphml [2018-12-02 03:08:53,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:08:53,620 INFO L168 Benchmark]: Toolchain (without parser) took 10180.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 181.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:53,620 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:08:53,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:53,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.87 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:08:53,621 INFO L168 Benchmark]: Boogie Preprocessor took 52.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:53,622 INFO L168 Benchmark]: RCFGBuilder took 351.52 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:53,622 INFO L168 Benchmark]: CodeCheck took 9561.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:08:53,623 INFO L168 Benchmark]: Witness Printer took 34.37 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:08:53,625 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 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 9.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 432 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 545 GetRequests, 511 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 7808 SizeOfPredicates, 19 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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 - CounterExampleResult [Line: 80]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L46] CALL, EXPR __fpclassify_double(x) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L30] return 2; [L46] RET, EXPR __fpclassify_double(x) [L46] COND FALSE !(__fpclassify_double(x) == 0) [L48] CALL, EXPR __fpclassify_double(y) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L30] return 2; [L48] RET, EXPR __fpclassify_double(y) [L48] COND FALSE !(__fpclassify_double(y) == 0) [L51] EXPR x < y ? x : y [L51] return x < y ? x : y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L55] __uint32_t msw; [L58] ieee_double_shape_type gh_u; [L59] gh_u.value = (x) [L60] EXPR gh_u.parts.msw [L60] (msw) = gh_u.parts.msw [L63] return (msw & 0x80000000) != 0; [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.87 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.52 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * CodeCheck took 9561.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. * Witness Printer took 34.37 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...