./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:41:14,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:41:14,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:41:14,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:41:14,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:41:14,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:41:14,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:41:14,828 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:41:14,829 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:41:14,830 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:41:14,830 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:41:14,830 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:41:14,831 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:41:14,832 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:41:14,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:41:14,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:41:14,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:41:14,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:41:14,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:41:14,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:41:14,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:41:14,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:41:14,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:41:14,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:41:14,840 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:41:14,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:41:14,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:41:14,842 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:41:14,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:41:14,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:41:14,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:41:14,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:41:14,844 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:41:14,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:41:14,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:41:14,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:41:14,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:41:14,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:41:14,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:41:14,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:41:14,857 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:41:14,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:41:14,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:41:14,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:41:14,859 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:41:14,859 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:41:14,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:41:14,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:41:14,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:41:14,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:41:14,861 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_93d57233-8222-45f9-a6f3-6d0ce362f822/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-11-23 13:41:14,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:41:14,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:41:14,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:41:14,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:41:14,899 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:41:14,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-23 13:41:14,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/7e0c7e88e/d512909c998c42e08e61b6d98457ae01/FLAG73e83b477 [2018-11-23 13:41:15,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:41:15,284 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-23 13:41:15,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/7e0c7e88e/d512909c998c42e08e61b6d98457ae01/FLAG73e83b477 [2018-11-23 13:41:15,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/7e0c7e88e/d512909c998c42e08e61b6d98457ae01 [2018-11-23 13:41:15,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:41:15,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:41:15,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:15,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:41:15,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:41:15,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c1ff7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15, skipping insertion in model container [2018-11-23 13:41:15,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:41:15,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:41:15,844 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:15,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:41:15,858 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:15,871 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:41:15,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15 WrapperNode [2018-11-23 13:41:15,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:15,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:15,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:41:15,872 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:41:15,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:15,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:41:15,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:41:15,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:41:15,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... [2018-11-23 13:41:15,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:41:15,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:41:15,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:41:15,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:41:15,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:41:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 13:41:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:41:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 13:41:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:41:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:41:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:41:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:41:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:41:16,146 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:41:16,146 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 13:41:16,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:16 BoogieIcfgContainer [2018-11-23 13:41:16,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:41:16,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:41:16,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:41:16,155 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:41:16,155 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:16" (1/1) ... [2018-11-23 13:41:16,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:41:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-23 13:41:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-23 13:41:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:41:16,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:41:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:41:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-23 13:41:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 13:41:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 13:41:16,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:41:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:41:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:41:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:41:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:41:16,356 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);fabs_float_#in~x := main_~x~0;havoc fabs_float_#res;havoc fabs_float_#t~mem0, fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, fabs_float_#t~mem2, fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, fabs_float_~x, fabs_float_~ix~0;fabs_float_~x := fabs_float_#in~x;havoc fabs_float_~ix~0; VAL [ULTIMATE.start_fabs_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0] [?] call fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(fabs_float_~x, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4);call fabs_float_#t~mem0 := read~int(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4);fabs_float_~ix~0 := fabs_float_#t~mem0;call write~real(fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4);havoc fabs_float_#t~union1;havoc fabs_float_#t~mem0;call ULTIMATE.dealloc(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset);havoc fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0] [?] goto; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0] [?] call fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset := #Ultimate.alloc(4);call write~int(~bitwiseAnd(fabs_float_~ix~0, 2147483647), fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4);call fabs_float_#t~mem2 := read~real(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4);fabs_float_~x := fabs_float_#t~mem2;call write~int(fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4);havoc fabs_float_#t~union3;havoc fabs_float_#t~mem2;call ULTIMATE.dealloc(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset);havoc fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=1.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0] [?] goto; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=1.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0] [?] fabs_float_#res := fabs_float_~x;main_#t~ret4 := fabs_float_#res;main_~res~0 := main_#t~ret4;havoc main_#t~ret4;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0);main_#t~ret5 := isnan_float_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=1.0, ULTIMATE.start_isnan_float_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0, |ULTIMATE.start_fabs_float_#res|=1.0, |ULTIMATE.start_isnan_float_#in~x|=1.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret5|=0] [?] assume 0 == main_#t~ret5;havoc main_#t~ret5; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=1.0, ULTIMATE.start_isnan_float_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0, |ULTIMATE.start_fabs_float_#res|=1.0, |ULTIMATE.start_isnan_float_#in~x|=1.0, |ULTIMATE.start_isnan_float_#res|=0] [?] assume !false; VAL [ULTIMATE.start_fabs_float_~ix~0=2, ULTIMATE.start_fabs_float_~x=1.0, ULTIMATE.start_isnan_float_~x=1.0, ULTIMATE.start_main_~res~0=1.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_fabs_float_#in~x|=0.0, |ULTIMATE.start_fabs_float_#res|=1.0, |ULTIMATE.start_isnan_float_#in~x|=1.0, |ULTIMATE.start_isnan_float_#res|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L35] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L36] fabs_float_#in~x := main_~x~0; [L36] havoc fabs_float_#res; [L36] havoc fabs_float_#t~mem0, fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, fabs_float_#t~mem2, fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, fabs_float_~x, fabs_float_~ix~0; [L14-L27] fabs_float_~x := fabs_float_#in~x; [L15] havoc fabs_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~x=0.0, main_~x~0=0.0] [L17] call fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(fabs_float_~x, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] call fabs_float_#t~mem0 := read~int(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] fabs_float_~ix~0 := fabs_float_#t~mem0; [L19] call write~real(fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] havoc fabs_float_#t~union1; [L19] havoc fabs_float_#t~mem0; [L17] call ULTIMATE.dealloc(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset); [L17] havoc fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=0.0, main_~x~0=0.0] [L22] call fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset := #Ultimate.alloc(4); [L23] call write~int(~bitwiseAnd(fabs_float_~ix~0, 2147483647), fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] call fabs_float_#t~mem2 := read~real(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] fabs_float_~x := fabs_float_#t~mem2; [L24] call write~int(fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] havoc fabs_float_#t~union3; [L24] havoc fabs_float_#t~mem2; [L22] call ULTIMATE.dealloc(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset); [L22] havoc fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, main_~x~0=0.0] [L26] fabs_float_#res := fabs_float_~x; [L36] main_#t~ret4 := fabs_float_#res; [L36] main_~res~0 := main_#t~ret4; [L36] havoc main_#t~ret4; [L39] isnan_float_#in~x := main_~res~0; [L39] havoc isnan_float_#res; [L39] havoc isnan_float_~x; [L12] isnan_float_~x := isnan_float_#in~x; [L12] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L39] main_#t~ret5 := isnan_float_#res; [L39] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_#t~ret5=0, main_~res~0=1.0, main_~x~0=0.0] [L39-L42] assume 0 == main_#t~ret5; [L39] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [L40] assert false; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L35] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L36] fabs_float_#in~x := main_~x~0; [L36] havoc fabs_float_#res; [L36] havoc fabs_float_#t~mem0, fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, fabs_float_#t~mem2, fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, fabs_float_~x, fabs_float_~ix~0; [L14-L27] fabs_float_~x := fabs_float_#in~x; [L15] havoc fabs_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~x=0.0, main_~x~0=0.0] [L17] call fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(fabs_float_~x, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] call fabs_float_#t~mem0 := read~int(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] fabs_float_~ix~0 := fabs_float_#t~mem0; [L19] call write~real(fabs_float_#t~union1, fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset, 4); [L19] havoc fabs_float_#t~union1; [L19] havoc fabs_float_#t~mem0; [L17] call ULTIMATE.dealloc(fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset); [L17] havoc fabs_float_~#gf_u~0.base, fabs_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=0.0, main_~x~0=0.0] [L22] call fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset := #Ultimate.alloc(4); [L23] call write~int(~bitwiseAnd(fabs_float_~ix~0, 2147483647), fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] call fabs_float_#t~mem2 := read~real(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] fabs_float_~x := fabs_float_#t~mem2; [L24] call write~int(fabs_float_#t~union3, fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset, 4); [L24] havoc fabs_float_#t~union3; [L24] havoc fabs_float_#t~mem2; [L22] call ULTIMATE.dealloc(fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset); [L22] havoc fabs_float_~#sf_u~0.base, fabs_float_~#sf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, main_~x~0=0.0] [L26] fabs_float_#res := fabs_float_~x; [L36] main_#t~ret4 := fabs_float_#res; [L36] main_~res~0 := main_#t~ret4; [L36] havoc main_#t~ret4; [L39] isnan_float_#in~x := main_~res~0; [L39] havoc isnan_float_#res; [L39] havoc isnan_float_~x; [L12] isnan_float_~x := isnan_float_#in~x; [L12] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L39] main_#t~ret5 := isnan_float_#res; [L39] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_#t~ret5=0, main_~res~0=1.0, main_~x~0=0.0] [L39-L42] assume 0 == main_#t~ret5; [L39] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [L40] assert false; VAL [#NULL.base=0, #NULL.offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L35] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L36] fabs_float_#in~x := main_~x~0; [L36] havoc fabs_float_#res; [L36] havoc fabs_float_#t~mem0, fabs_float_#t~union1, fabs_float_~#gf_u~0, fabs_float_#t~mem2, fabs_float_#t~union3, fabs_float_~#sf_u~0, fabs_float_~x, fabs_float_~ix~0; [L14-L27] fabs_float_~x := fabs_float_#in~x; [L15] havoc fabs_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~x=0.0, main_~x~0=0.0] [L17] FCALL call fabs_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(fabs_float_~x, { base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] FCALL call fabs_float_#t~mem0 := read~int({ base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] fabs_float_~ix~0 := fabs_float_#t~mem0; [L19] FCALL call write~real(fabs_float_#t~union1, { base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] havoc fabs_float_#t~union1; [L19] havoc fabs_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(fabs_float_~#gf_u~0); [L17] havoc fabs_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=0.0, main_~x~0=0.0] [L22] FCALL call fabs_float_~#sf_u~0 := #Ultimate.alloc(4); [L23] FCALL call write~int(~bitwiseAnd(fabs_float_~ix~0, 2147483647), { base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] FCALL call fabs_float_#t~mem2 := read~real({ base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] fabs_float_~x := fabs_float_#t~mem2; [L24] FCALL call write~int(fabs_float_#t~union3, { base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] havoc fabs_float_#t~union3; [L24] havoc fabs_float_#t~mem2; [L22] FCALL call ULTIMATE.dealloc(fabs_float_~#sf_u~0); [L22] havoc fabs_float_~#sf_u~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, main_~x~0=0.0] [L26] fabs_float_#res := fabs_float_~x; [L36] main_#t~ret4 := fabs_float_#res; [L36] main_~res~0 := main_#t~ret4; [L36] havoc main_#t~ret4; [L39] isnan_float_#in~x := main_~res~0; [L39] havoc isnan_float_#res; [L39] havoc isnan_float_~x; [L12] isnan_float_~x := isnan_float_#in~x; [L12] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L39] main_#t~ret5 := isnan_float_#res; [L39] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_#t~ret5=0, main_~res~0=1.0, main_~x~0=0.0] [L39] COND TRUE 0 == main_#t~ret5 [L39] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [L40] assert false; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L35] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L36] fabs_float_#in~x := main_~x~0; [L36] havoc fabs_float_#res; [L36] havoc fabs_float_#t~mem0, fabs_float_#t~union1, fabs_float_~#gf_u~0, fabs_float_#t~mem2, fabs_float_#t~union3, fabs_float_~#sf_u~0, fabs_float_~x, fabs_float_~ix~0; [L14-L27] fabs_float_~x := fabs_float_#in~x; [L15] havoc fabs_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~x=0.0, main_~x~0=0.0] [L17] FCALL call fabs_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(fabs_float_~x, { base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] FCALL call fabs_float_#t~mem0 := read~int({ base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] fabs_float_~ix~0 := fabs_float_#t~mem0; [L19] FCALL call write~real(fabs_float_#t~union1, { base: fabs_float_~#gf_u~0!base, offset: fabs_float_~#gf_u~0!offset }, 4); [L19] havoc fabs_float_#t~union1; [L19] havoc fabs_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(fabs_float_~#gf_u~0); [L17] havoc fabs_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=0.0, main_~x~0=0.0] [L22] FCALL call fabs_float_~#sf_u~0 := #Ultimate.alloc(4); [L23] FCALL call write~int(~bitwiseAnd(fabs_float_~ix~0, 2147483647), { base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] FCALL call fabs_float_#t~mem2 := read~real({ base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] fabs_float_~x := fabs_float_#t~mem2; [L24] FCALL call write~int(fabs_float_#t~union3, { base: fabs_float_~#sf_u~0!base, offset: fabs_float_~#sf_u~0!offset }, 4); [L24] havoc fabs_float_#t~union3; [L24] havoc fabs_float_#t~mem2; [L22] FCALL call ULTIMATE.dealloc(fabs_float_~#sf_u~0); [L22] havoc fabs_float_~#sf_u~0; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, main_~x~0=0.0] [L26] fabs_float_#res := fabs_float_~x; [L36] main_#t~ret4 := fabs_float_#res; [L36] main_~res~0 := main_#t~ret4; [L36] havoc main_#t~ret4; [L39] isnan_float_#in~x := main_~res~0; [L39] havoc isnan_float_#res; [L39] havoc isnan_float_~x; [L12] isnan_float_~x := isnan_float_#in~x; [L12] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L39] main_#t~ret5 := isnan_float_#res; [L39] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_#t~ret5=0, main_~res~0=1.0, main_~x~0=0.0] [L39] COND TRUE 0 == main_#t~ret5 [L39] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [L40] assert false; VAL [#NULL!base=0, #NULL!offset=0, fabs_float_#in~x=0.0, fabs_float_#res=1.0, fabs_float_~ix~0=2, fabs_float_~x=1.0, isnan_float_#in~x=1.0, isnan_float_#res=0, isnan_float_~x=1.0, main_~res~0=1.0, main_~x~0=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L35] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L14-L27] ~x := #in~x; [L15] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~ix~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L22] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L23] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] ~x := #t~mem2; [L24] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] havoc #t~union3; [L24] havoc #t~mem2; [L22] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L22] havoc ~#sf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L26] #res := ~x; [L36] ~res~0 := #t~ret4; [L36] havoc #t~ret4; [L12] ~x := #in~x; [L12] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L39] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L39] COND TRUE 0 == #t~ret5 [L39] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0] [L40] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L35] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L14-L27] ~x := #in~x; [L15] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~ix~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L22] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L23] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] ~x := #t~mem2; [L24] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L24] havoc #t~union3; [L24] havoc #t~mem2; [L22] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L22] havoc ~#sf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L26] #res := ~x; [L36] ~res~0 := #t~ret4; [L36] havoc #t~ret4; [L12] ~x := #in~x; [L12] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L39] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L39] COND TRUE 0 == #t~ret5 [L39] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0] [L40] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L35] float x = 0.0f / 0.0f; [L15] __uint32_t ix; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; [L36] float res = fabs_float(x); [L12] return x != x; [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() ----- [2018-11-23 13:41:16,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:41:16 ImpRootNode [2018-11-23 13:41:16,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:41:16,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:41:16,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:41:16,388 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:41:16,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:16" (3/4) ... [2018-11-23 13:41:16,392 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:41:16,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:41:16,393 INFO L168 Benchmark]: Toolchain (without parser) took 686.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:16,395 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:16,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:16,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.98 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:16,396 INFO L168 Benchmark]: Boogie Preprocessor took 55.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:16,397 INFO L168 Benchmark]: RCFGBuilder took 197.96 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:16,397 INFO L168 Benchmark]: CodeCheck took 240.53 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:16,397 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:16,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L15] __uint32_t ix; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; [L36] float res = fabs_float(x); [L12] return x != x; [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 21.98 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.96 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 240.53 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.29 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-aa41828 [2018-11-23 13:41:17,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:41:17,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:41:17,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:41:17,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:41:17,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:41:17,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:41:17,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:41:17,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:41:17,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:41:17,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:41:17,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:41:17,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:41:17,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:41:17,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:41:17,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:41:17,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:41:17,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:41:17,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:41:17,847 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:41:17,848 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:41:17,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:41:17,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:41:17,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:41:17,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:41:17,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:41:17,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:41:17,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:41:17,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:41:17,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:41:17,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:41:17,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:41:17,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:41:17,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:41:17,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:41:17,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:41:17,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 13:41:17,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:41:17,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:41:17,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:41:17,870 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:41:17,871 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:41:17,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:41:17,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:41:17,872 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:41:17,872 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:41:17,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:41:17,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:41:17,873 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:41:17,874 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:41:17,874 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_93d57233-8222-45f9-a6f3-6d0ce362f822/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-11-23 13:41:17,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:41:17,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:41:17,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:41:17,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:41:17,912 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:41:17,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-23 13:41:17,949 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/a6c52f035/69a3ce31dc7840c79b068a8231ef00ac/FLAG022ea5f14 [2018-11-23 13:41:18,348 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:41:18,348 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-23 13:41:18,352 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/a6c52f035/69a3ce31dc7840c79b068a8231ef00ac/FLAG022ea5f14 [2018-11-23 13:41:18,362 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/data/a6c52f035/69a3ce31dc7840c79b068a8231ef00ac [2018-11-23 13:41:18,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:41:18,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:41:18,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:18,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:41:18,370 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:41:18,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69196480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18, skipping insertion in model container [2018-11-23 13:41:18,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:41:18,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:41:18,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:18,529 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:41:18,541 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:18,561 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:41:18,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18 WrapperNode [2018-11-23 13:41:18,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:18,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:18,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:41:18,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:41:18,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:18,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:41:18,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:41:18,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:41:18,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:41:18,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:41:18,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:41:18,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:41:18,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:41:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:41:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:41:18,785 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:41:18,843 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:41:18,843 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 13:41:18,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:18 BoogieIcfgContainer [2018-11-23 13:41:18,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:41:18,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:41:18,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:41:18,853 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:41:18,853 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:18" (1/1) ... [2018-11-23 13:41:18,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:41:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-23 13:41:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-23 13:41:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:41:18,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:41:18,939 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 13:41:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:18,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:41:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-23 13:41:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-23 13:41:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 13:41:18,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:41:18,975 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 13:41:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:18,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:41:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-23 13:41:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-23 13:41:19,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:41:19,175 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-23 13:41:19,181 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:41:19,195 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:41:19,197 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 13:41:19,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,204 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 13:41:19,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,205 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:41:19 ImpRootNode [2018-11-23 13:41:19,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:41:19,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:41:19,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:41:19,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:41:19,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:18" (3/4) ... [2018-11-23 13:41:19,210 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:41:19,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:41:19,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:41:19,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:41:19,250 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93d57233-8222-45f9-a6f3-6d0ce362f822/bin-2019/ukojak/witness.graphml [2018-11-23 13:41:19,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:41:19,250 INFO L168 Benchmark]: Toolchain (without parser) took 884.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -97.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:19,251 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:19,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.83 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:19,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:19,252 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:19,253 INFO L168 Benchmark]: RCFGBuilder took 238.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:19,253 INFO L168 Benchmark]: CodeCheck took 361.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:19,254 INFO L168 Benchmark]: Witness Printer took 44.39 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:19,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 10 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 40]: 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2018-11-23 13:41:19,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2018-11-23 13:41:19,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 13:41:19,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.83 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 238.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 361.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.39 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...