./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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 0.1.23-1dbac8b [2018-10-26 23:00:54,965 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:00:54,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:00:54,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:00:54,980 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:00:54,981 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:00:54,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:00:54,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:00:54,987 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:00:54,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:00:54,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:00:54,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:00:54,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:00:54,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:00:54,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:00:54,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:00:54,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:00:54,997 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:00:54,999 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:00:55,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:00:55,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:00:55,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:00:55,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:00:55,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:00:55,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:00:55,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:00:55,008 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:00:55,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:00:55,009 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:00:55,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:00:55,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:00:55,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:00:55,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:00:55,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:00:55,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:00:55,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:00:55,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:00:55,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:00:55,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:00:55,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:00:55,025 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:00:55,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:00:55,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:00:55,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:00:55,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:00:55,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:00:55,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:00:55,027 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:00:55,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:00:55,029 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:00:55,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:00:55,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:00:55,030 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:00:55,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:00:55,031 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_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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 [2018-10-26 23:00:55,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:00:55,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:00:55,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:00:55,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:00:55,076 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:00:55,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-10-26 23:00:55,128 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/5e9a7af2e/23e3a835d60f414ba4c6dcf9b9c34d00/FLAG532de90b2 [2018-10-26 23:00:55,489 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:00:55,490 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-10-26 23:00:55,495 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/5e9a7af2e/23e3a835d60f414ba4c6dcf9b9c34d00/FLAG532de90b2 [2018-10-26 23:00:55,505 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/5e9a7af2e/23e3a835d60f414ba4c6dcf9b9c34d00 [2018-10-26 23:00:55,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:00:55,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:00:55,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:55,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:00:55,513 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:00:55,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0d9b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55, skipping insertion in model container [2018-10-26 23:00:55,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:00:55,541 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:00:55,666 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:55,668 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:00:55,686 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:55,702 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:00:55,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55 WrapperNode [2018-10-26 23:00:55,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:55,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:00:55,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:00:55,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:00:55,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:00:55,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:00:55,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:00:55,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:00:55,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... [2018-10-26 23:00:55,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:00:55,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:00:55,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:00:55,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:00:55,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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 [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-10-26 23:00:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:00:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 23:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:00:56,848 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:00:56,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:00:56 BoogieIcfgContainer [2018-10-26 23:00:56,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:00:56,849 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:00:56,849 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:00:56,855 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:00:56,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:00:56" (1/1) ... [2018-10-26 23:00:56,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:00:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:00:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-10-26 23:00:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-10-26 23:00:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:00:56,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:00:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:00:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:00:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:00:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-26 23:00:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-26 23:00:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:00:57,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:00:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:00:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:00:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:00:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:00:57,165 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 23:00:57,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:00:57 ImpRootNode [2018-10-26 23:00:57,193 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:00:57,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:00:57,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:00:57,194 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:00:57,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:00:56" (3/4) ... [2018-10-26 23:00:57,197 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:00:57,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:00:57,198 INFO L168 Benchmark]: Toolchain (without parser) took 1690.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:57,200 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:00:57,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.43 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:57,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.03 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:57,204 INFO L168 Benchmark]: Boogie Preprocessor took 44.87 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:00:57,205 INFO L168 Benchmark]: RCFGBuilder took 1067.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:57,205 INFO L168 Benchmark]: CodeCheck took 344.63 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:00:57,207 INFO L168 Benchmark]: Witness Printer took 4.02 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. [2018-10-26 23:00:57,210 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, 47 locations, 1 error locations. UNSAFE Result, 0.2s 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; [L75] CALL, EXPR fmax_float(x, y) [L44] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L21] __uint32_t w; VAL [\old(x)=0, x=0] [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [\old(x)=0, w=2139095041, x=0] [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] RET return 0; [L44] EXPR __fpclassify_float(x) [L44] COND TRUE __fpclassify_float(x) == 0 [L45] RET return y; [L75] EXPR fmax_float(x, 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.43 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 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 32.03 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.87 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1067.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 344.63 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 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 0.1.23-1dbac8b [2018-10-26 23:00:59,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:00:59,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:00:59,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:00:59,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:00:59,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:00:59,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:00:59,080 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:00:59,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:00:59,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:00:59,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:00:59,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:00:59,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:00:59,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:00:59,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:00:59,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:00:59,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:00:59,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:00:59,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:00:59,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:00:59,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:00:59,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:00:59,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:00:59,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:00:59,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:00:59,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:00:59,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:00:59,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:00:59,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:00:59,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:00:59,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:00:59,098 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:00:59,098 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:00:59,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:00:59,099 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:00:59,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:00:59,100 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 23:00:59,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:00:59,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:00:59,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:00:59,117 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:00:59,118 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:00:59,118 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:00:59,118 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:00:59,119 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:00:59,120 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:00:59,120 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:00:59,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:00:59,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:00:59,120 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:00:59,120 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:00:59,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:00:59,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 23:00:59,121 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 23:00:59,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:00:59,122 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:00:59,122 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:00:59,122 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_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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 [2018-10-26 23:00:59,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:00:59,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:00:59,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:00:59,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:00:59,181 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:00:59,182 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-10-26 23:00:59,231 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/22e50b9d2/bc2edeae56bf4736bb552eb56deaf12a/FLAGd127918e2 [2018-10-26 23:00:59,605 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:00:59,605 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-10-26 23:00:59,610 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/22e50b9d2/bc2edeae56bf4736bb552eb56deaf12a/FLAGd127918e2 [2018-10-26 23:00:59,620 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/data/22e50b9d2/bc2edeae56bf4736bb552eb56deaf12a [2018-10-26 23:00:59,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:00:59,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:00:59,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:59,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:00:59,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:00:59,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205a6579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59, skipping insertion in model container [2018-10-26 23:00:59,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:00:59,658 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:00:59,789 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:59,793 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:00:59,814 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:00:59,835 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:00:59,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59 WrapperNode [2018-10-26 23:00:59,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:00:59,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:00:59,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:00:59,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:00:59,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:00:59,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:00:59,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:00:59,868 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:00:59,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... [2018-10-26 23:00:59,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:00:59,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:00:59,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:00:59,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:00:59,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:00:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/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 [2018-10-26 23:00:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-10-26 23:00:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-10-26 23:00:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:00:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 23:00:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:00:59,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:00:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 23:00:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:01:00,232 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:01:00,272 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:01:00,368 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:01:00,381 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:01:00,933 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:01:00,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:00 BoogieIcfgContainer [2018-10-26 23:01:00,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:01:00,934 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:01:00,934 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:01:00,944 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:01:00,944 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:00" (1/1) ... [2018-10-26 23:01:00,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:01:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-26 23:01:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-26 23:01:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:01:00,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:01,039 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:01,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:01:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-26 23:01:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-26 23:01:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:01:01,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:01,097 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:01,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:01:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-10-26 23:01:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-10-26 23:01:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:01:01,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:01,418 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:01,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:01:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-10-26 23:01:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-10-26 23:01:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:01:01,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:01,458 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:01,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:01:03,001 WARN L179 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-10-26 23:01:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:01:03,639 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-26 23:01:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-10-26 23:01:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-10-26 23:01:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:01:03,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:03,985 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:01:04,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:01:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:01:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:01:05,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-10-26 23:01:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-10-26 23:01:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:01:05,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:01:05,793 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 23:01:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:01:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:01:05,869 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-10-26 23:01:05,891 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,892 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,893 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,893 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,893 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,894 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,894 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,894 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,894 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,895 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:01:05 ImpRootNode [2018-10-26 23:01:05,900 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:01:05,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:01:05,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:01:05,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:01:05,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:01:00" (3/4) ... [2018-10-26 23:01:05,906 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:01:05,910 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,911 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,911 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,911 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,911 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-10-26 23:01:05,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-10-26 23:01:05,961 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3e7df48f-42ed-4f0c-8ed8-35d902f7966e/bin-2019/ukojak/witness.graphml [2018-10-26 23:01:05,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:01:05,962 INFO L168 Benchmark]: Toolchain (without parser) took 6339.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:05,963 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. [2018-10-26 23:01:05,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:05,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:01:05,965 INFO L168 Benchmark]: Boogie Preprocessor took 21.80 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:01:05,966 INFO L168 Benchmark]: RCFGBuilder took 1044.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:05,967 INFO L168 Benchmark]: CodeCheck took 4966.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:05,967 INFO L168 Benchmark]: Witness Printer took 61.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:01:05,973 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, 45 locations, 1 error locations. UNSAFE Result, 4.9s 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, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15171 SizeOfPredicates, 22 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 39 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; [L75] CALL, EXPR fmax_float(x, y) [L44] CALL, EXPR __fpclassify_float(x) [L21] __uint32_t w; [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [w=0] [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] RET return 2; [L44] EXPR __fpclassify_float(x) [L44] COND FALSE !(__fpclassify_float(x) == 0) [L48] CALL, EXPR __fpclassify_float(y) [L21] __uint32_t w; [L24] FCALL ieee_float_shape_type gf_u; [L25] FCALL gf_u.value = (x) [L26] EXPR, FCALL gf_u.word [L26] (w) = gf_u.word [L27] COND FALSE !(0) VAL [w=2147483648] [L29] COND TRUE w == 0x00000000 || w == 0x80000000 [L30] RET return 2; [L48] EXPR __fpclassify_float(y) [L48] COND FALSE !(__fpclassify_float(y) == 0) [L51] COND FALSE, EXPR !(x > y ? x : y) [L51] RET return x > y ? x : y; [L75] EXPR fmax_float(x, y) [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] CALL, EXPR __signbit_float(res) [L55] __uint32_t w; [L58] FCALL ieee_float_shape_type gf_u; [L59] FCALL gf_u.value = (x) [L60] EXPR, FCALL gf_u.word [L60] (w) = gf_u.word [L61] COND FALSE !(0) [L63] RET return (w & 0x80000000) != 0; [L78] EXPR __signbit_float(res) [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 0.14 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 211.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 31.07 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.80 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1044.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 4966.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.9 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.12 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. 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 ~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 ~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 ~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 ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...