./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-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_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .................................................................................................................................................................................................................................................. 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_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:44:14,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:44:14,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:44:14,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:44:14,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:44:14,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:44:14,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:44:14,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:44:14,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:44:14,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:44:14,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:44:14,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:44:14,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:44:14,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:44:14,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:44:14,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:44:14,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:44:14,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:44:14,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:44:14,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:44:14,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:44:14,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:44:14,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:44:14,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:44:14,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:44:14,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:44:14,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:44:14,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:44:14,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:44:14,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:44:14,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:44:14,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:44:14,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:44:14,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:44:14,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:44:14,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:44:14,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 11:44:14,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:44:14,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:44:14,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:44:14,344 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:44:14,344 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:44:14,344 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:44:14,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:44:14,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:44:14,345 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:44:14,345 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:44:14,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:44:14,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:44:14,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:44:14,346 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_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-12-08 11:44:14,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:44:14,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:44:14,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:44:14,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:44:14,373 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:44:14,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-12-08 11:44:14,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/594970a6d/f42e63a22e364523ab6ee8c1f176efdc/FLAG3ce1c53c7 [2018-12-08 11:44:14,790 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:44:14,790 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-12-08 11:44:14,795 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/594970a6d/f42e63a22e364523ab6ee8c1f176efdc/FLAG3ce1c53c7 [2018-12-08 11:44:14,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/594970a6d/f42e63a22e364523ab6ee8c1f176efdc [2018-12-08 11:44:14,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:44:14,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:44:14,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:44:14,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:44:14,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:44:14,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:14,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e9f86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14, skipping insertion in model container [2018-12-08 11:44:14,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:14,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:44:14,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:44:14,917 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:44:14,919 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:44:14,932 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:44:14,944 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:44:14,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14 WrapperNode [2018-12-08 11:44:14,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:44:14,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:44:14,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:44:14,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:44:14,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:14,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:14,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:44:14,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:44:15,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:44:15,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:44:15,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... [2018-12-08 11:44:15,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:44:15,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:44:15,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:44:15,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:44:15,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 [2018-12-08 11:44:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 11:44:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:44:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:44:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:44:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 11:44:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 11:44:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 11:44:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:44:15,249 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:44:15,249 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 11:44:15,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:15 BoogieIcfgContainer [2018-12-08 11:44:15,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:44:15,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:44:15,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:44:15,257 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:44:15,258 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:15" (1/1) ... [2018-12-08 11:44:15,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:44:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-08 11:44:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-08 11:44:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 11:44:15,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:44:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:44:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:44:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-08 11:44:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-08 11:44:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 11:44:15,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:44:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:44:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:44:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:44:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:44:15,440 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 11:44:15,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:44:15 ImpRootNode [2018-12-08 11:44:15,458 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:44:15,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:44:15,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:44:15,458 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:44:15,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:15" (3/4) ... [2018-12-08 11:44:15,461 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:44:15,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:44:15,462 INFO L168 Benchmark]: Toolchain (without parser) took 656.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,463 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:44:15,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -198.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,464 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,464 INFO L168 Benchmark]: RCFGBuilder took 235.24 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,465 INFO L168 Benchmark]: CodeCheck took 208.18 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: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:15,465 INFO L168 Benchmark]: Witness Printer took 3.05 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. [2018-12-08 11:44:15,467 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, 27 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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: 65]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L60] float x = 0.0f / 0.0f; [L61] float y = 0.0f / 0.0f; [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L62] float res = fmax_float(x, y); [L54] return x != x; [L64] COND TRUE !isnan_float(res) [L65] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.55 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -198.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 235.24 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * CodeCheck took 208.18 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: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 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 [2018-12-08 11:44:16,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:44:16,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:44:16,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:44:16,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:44:16,771 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:44:16,772 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:44:16,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:44:16,773 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:44:16,774 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:44:16,774 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:44:16,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:44:16,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:44:16,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:44:16,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:44:16,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:44:16,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:44:16,777 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:44:16,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:44:16,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:44:16,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:44:16,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:44:16,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:44:16,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:44:16,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:44:16,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:44:16,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:44:16,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:44:16,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:44:16,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:44:16,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:44:16,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:44:16,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:44:16,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:44:16,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:44:16,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:44:16,786 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 11:44:16,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:44:16,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:44:16,794 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:44:16,794 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:44:16,795 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:44:16,795 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:44:16,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:44:16,795 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:44:16,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:44:16,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:44:16,796 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:44:16,797 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:44:16,797 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:44:16,797 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:44:16,797 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 11:44:16,798 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 11:44:16,798 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:44:16,798 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 11:44:16,798 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 11:44:16,798 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_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-12-08 11:44:16,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:44:16,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:44:16,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:44:16,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:44:16,830 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:44:16,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-12-08 11:44:16,872 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/8e7581960/0e1420f5224b459cb2b3a4a328f67602/FLAG12644d4fa [2018-12-08 11:44:17,302 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:44:17,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-12-08 11:44:17,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/8e7581960/0e1420f5224b459cb2b3a4a328f67602/FLAG12644d4fa [2018-12-08 11:44:17,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/data/8e7581960/0e1420f5224b459cb2b3a4a328f67602 [2018-12-08 11:44:17,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:44:17,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:44:17,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:44:17,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:44:17,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:44:17,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17, skipping insertion in model container [2018-12-08 11:44:17,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:44:17,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:44:17,445 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:44:17,449 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:44:17,465 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:44:17,480 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:44:17,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17 WrapperNode [2018-12-08 11:44:17,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:44:17,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:44:17,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:44:17,481 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:44:17,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:44:17,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:44:17,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:44:17,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:44:17,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:44:17,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:44:17,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:44:17,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:44:17,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/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 [2018-12-08 11:44:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:44:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 11:44:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:44:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:44:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 11:44:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 11:44:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 11:44:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:44:17,721 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 11:44:17,829 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:44:17,830 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 11:44:17,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:17 BoogieIcfgContainer [2018-12-08 11:44:17,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:44:17,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:44:17,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:44:17,837 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:44:17,837 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:17" (1/1) ... [2018-12-08 11:44:17,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:44:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-08 11:44:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-08 11:44:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 11:44:17,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:44:17,900 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 11:44:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:44:17,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:44:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:44:17,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-08 11:44:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-08 11:44:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 11:44:17,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:44:17,935 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 11:44:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:44:17,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:44:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:44:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-12-08 11:44:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-08 11:44:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 11:44:18,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:44:18,057 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 11:44:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:44:18,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:44:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 11:44:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:44:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-12-08 11:44:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-08 11:44:18,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:44:18,221 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-08 11:44:18,226 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 11:44:18,241 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:44:18,243 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:44:18,243 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:44:18,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:44:18 ImpRootNode [2018-12-08 11:44:18,243 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:44:18,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:44:18,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:44:18,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:44:18,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:17" (3/4) ... [2018-12-08 11:44:18,246 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:44:18,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-12-08 11:44:18,252 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 11:44:18,253 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 11:44:18,253 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:44:18,282 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd0e0bef-c471-4e51-bce3-3c3e14e40960/bin-2019/ukojak/witness.graphml [2018-12-08 11:44:18,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:44:18,283 INFO L168 Benchmark]: Toolchain (without parser) took 964.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -59.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,284 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-08 11:44:18,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.18 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,285 INFO L168 Benchmark]: Boogie Preprocessor took 17.89 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:44:18,286 INFO L168 Benchmark]: RCFGBuilder took 306.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,286 INFO L168 Benchmark]: CodeCheck took 412.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,286 INFO L168 Benchmark]: Witness Printer took 39.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:44:18,288 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, 25 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 22 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - PositiveResult [Line: 65]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.18 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.89 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 306.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 412.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...