./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 .................................................................................................................................................................................................................................................. 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_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/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 c8e4dbe5a9ab518912f1108432d43f490ec977d7 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:24:28,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:24:28,996 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:24:29,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:24:29,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:24:29,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:24:29,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:24:29,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:24:29,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:24:29,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:24:29,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:24:29,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:24:29,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:24:29,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:24:29,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:24:29,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:24:29,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:24:29,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:24:29,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:24:29,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:24:29,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:24:29,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:24:29,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:24:29,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:24:29,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:24:29,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:24:29,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:24:29,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:24:29,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:24:29,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:24:29,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:24:29,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:24:29,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:24:29,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:24:29,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:24:29,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:24:29,019 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 15:24:29,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:24:29,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:24:29,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:24:29,027 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:24:29,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:24:29,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:24:29,028 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:24:29,029 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:24:29,029 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:24:29,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:24:29,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:24:29,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:24:29,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:24:29,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:24:29,030 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:24:29,030 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 15:24:29,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:24:29,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:24:29,031 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_1e2a9ff1-3d08-46a2-b531-5004796b17ce/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-12-02 15:24:29,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:24:29,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:24:29,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:24:29,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:24:29,057 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:24:29,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-02 15:24:29,093 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/e6c394051/74908fabe91941ce835ae74eadde2d1a/FLAGc93730044 [2018-12-02 15:24:29,520 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:24:29,520 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-02 15:24:29,524 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/e6c394051/74908fabe91941ce835ae74eadde2d1a/FLAGc93730044 [2018-12-02 15:24:29,934 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/e6c394051/74908fabe91941ce835ae74eadde2d1a [2018-12-02 15:24:29,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:24:29,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:24:29,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:24:29,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:24:29,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:24:29,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:29" (1/1) ... [2018-12-02 15:24:29,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a347b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:29, skipping insertion in model container [2018-12-02 15:24:29,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:29" (1/1) ... [2018-12-02 15:24:29,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:24:29,964 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:24:30,062 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:24:30,064 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:24:30,079 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:24:30,091 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:24:30,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30 WrapperNode [2018-12-02 15:24:30,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:24:30,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:24:30,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:24:30,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:24:30,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:24:30,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:24:30,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:24:30,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:24:30,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:24:30,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:24:30,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:24:30,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:24:30,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:24:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-02 15:24:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-02 15:24:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 15:24:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 15:24:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:24:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:24:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 15:24:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 15:24:30,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:24:30,417 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 15:24:30,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:30 BoogieIcfgContainer [2018-12-02 15:24:30,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:24:30,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:24:30,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:24:30,424 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:24:30,424 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:30" (1/1) ... [2018-12-02 15:24:30,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:24:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-02 15:24:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-02 15:24:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 15:24:30,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:24:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-02 15:24:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-02 15:24:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 15:24:30,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:30,603 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 15:24:30,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:24:30 ImpRootNode [2018-12-02 15:24:30,627 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:24:30,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:24:30,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:24:30,628 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:24:30,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:30" (3/4) ... [2018-12-02 15:24:30,630 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 15:24:30,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:24:30,631 INFO L168 Benchmark]: Toolchain (without parser) took 694.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 56.1 MB). Free memory was 956.0 MB in the beginning and 989.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,632 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:24:30,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 56.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -112.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,633 INFO L168 Benchmark]: Boogie Preprocessor took 17.29 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,633 INFO L168 Benchmark]: RCFGBuilder took 257.53 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,634 INFO L168 Benchmark]: CodeCheck took 209.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:30,634 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 989.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:24:30,637 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 74. Possible FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L31-L32] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L34-L35] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L37] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L40] return 0; [L44] RET, EXPR __fpclassify_float(x) [L44] COND TRUE __fpclassify_float(x) == 0 [L45] return y; [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 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 50.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 56.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -112.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.29 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 257.53 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * CodeCheck took 209.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 989.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:24:31,905 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:24:31,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:24:31,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:24:31,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:24:31,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:24:31,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:24:31,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:24:31,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:24:31,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:24:31,918 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:24:31,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:24:31,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:24:31,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:24:31,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:24:31,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:24:31,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:24:31,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:24:31,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:24:31,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:24:31,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:24:31,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:24:31,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:24:31,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:24:31,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:24:31,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:24:31,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:24:31,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:24:31,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:24:31,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:24:31,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:24:31,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:24:31,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:24:31,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:24:31,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:24:31,930 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:24:31,930 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 15:24:31,940 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:24:31,940 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:24:31,941 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:24:31,941 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:24:31,941 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:24:31,941 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:24:31,942 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:24:31,942 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:24:31,943 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:24:31,943 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:24:31,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:24:31,944 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 15:24:31,944 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 15:24:31,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:24:31,945 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 15:24:31,945 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 15:24:31,945 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_1e2a9ff1-3d08-46a2-b531-5004796b17ce/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 -> c8e4dbe5a9ab518912f1108432d43f490ec977d7 [2018-12-02 15:24:31,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:24:31,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:24:31,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:24:31,978 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:24:31,979 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:24:31,979 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-02 15:24:32,011 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/8697451a5/dd1c0455e821400ca57f2d312a5e7ce4/FLAGa4fdc5d6a [2018-12-02 15:24:32,387 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:24:32,388 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-12-02 15:24:32,392 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/8697451a5/dd1c0455e821400ca57f2d312a5e7ce4/FLAGa4fdc5d6a [2018-12-02 15:24:32,400 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/data/8697451a5/dd1c0455e821400ca57f2d312a5e7ce4 [2018-12-02 15:24:32,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:24:32,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:24:32,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:24:32,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:24:32,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:24:32,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32, skipping insertion in model container [2018-12-02 15:24:32,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:24:32,421 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:24:32,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:24:32,519 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:24:32,534 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:24:32,549 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:24:32,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32 WrapperNode [2018-12-02 15:24:32,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:24:32,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:24:32,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:24:32,550 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:24:32,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:24:32,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:24:32,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:24:32,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:24:32,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:24:32,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:24:32,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:24:32,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:24:32,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:24:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:24:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-02 15:24:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-02 15:24:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 15:24:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 15:24:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:24:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:24:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 15:24:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 15:24:32,766 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 15:24:32,803 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 15:24:32,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:24:32,898 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 15:24:32,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:32 BoogieIcfgContainer [2018-12-02 15:24:32,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:24:32,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:24:32,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:24:32,905 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:24:32,905 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:32" (1/1) ... [2018-12-02 15:24:32,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:24:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-02 15:24:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-02 15:24:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 15:24:32,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:32,969 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:32,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:24:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:24:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-02 15:24:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-02 15:24:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 15:24:33,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:33,007 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:33,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:24:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:24:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-02 15:24:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-02 15:24:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 15:24:33,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:33,112 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:33,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:24:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:24:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-02 15:24:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-02 15:24:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 15:24:33,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:33,130 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:33,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:24:33,968 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-12-02 15:24:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:24:34,505 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-12-02 15:24:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-02 15:24:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-02 15:24:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 15:24:34,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:34,959 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:24:34,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:24:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 15:24:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:24:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-12-02 15:24:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-12-02 15:24:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 15:24:36,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:24:36,683 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 15:24:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:24:36,793 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-02 15:24:36,809 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,809 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,810 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,810 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,810 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,810 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:24:36 ImpRootNode [2018-12-02 15:24:36,813 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:24:36,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:24:36,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:24:36,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:24:36,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:24:32" (3/4) ... [2018-12-02 15:24:36,816 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 15:24:36,818 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,819 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,819 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-02 15:24:36,819 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,819 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,819 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-02 15:24:36,849 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e2a9ff1-3d08-46a2-b531-5004796b17ce/bin-2019/ukojak/witness.graphml [2018-12-02 15:24:36,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:24:36,850 INFO L168 Benchmark]: Toolchain (without parser) took 4447.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:36,850 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:24:36,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.28 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:36,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.83 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. [2018-12-02 15:24:36,851 INFO L168 Benchmark]: Boogie Preprocessor took 18.62 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. [2018-12-02 15:24:36,851 INFO L168 Benchmark]: RCFGBuilder took 305.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:36,852 INFO L168 Benchmark]: CodeCheck took 3914.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.1 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-12-02 15:24:36,852 INFO L168 Benchmark]: Witness Printer took 35.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:24:36,855 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 3.8s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 416 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15171 SizeOfPredicates, 22 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 79]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L73] float x = 0.0f; [L74] float y = -0.0f; [L44] CALL, EXPR __fpclassify_float(x) [L21] __uint32_t w; [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; [L44] RET, EXPR __fpclassify_float(x) [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) [L21] __uint32_t w; [L24] ieee_float_shape_type gf_u; [L25] gf_u.value = (x) [L26] EXPR gf_u.word [L26] (w) = gf_u.word [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] return 2; [L48] RET, EXPR __fpclassify_float(y) [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] EXPR x > y ? x : y [L51] return x > y ? x : y; [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L55] __uint32_t w; [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (w) = gf_u.word [L63] return (w & 0x80000000) != 0; [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 146.28 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 23.83 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 18.62 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 305.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3914.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.1 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * Witness Printer took 35.79 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...