./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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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 [2018-11-10 09:12:00,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:12:00,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:12:00,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:12:00,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:12:00,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:12:00,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:12:00,680 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:12:00,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:12:00,682 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:12:00,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:12:00,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:12:00,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:12:00,684 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:12:00,685 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:12:00,686 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:12:00,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:12:00,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:12:00,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:12:00,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:12:00,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:12:00,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:12:00,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:12:00,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:12:00,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:12:00,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:12:00,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:12:00,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:12:00,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:12:00,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:12:00,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:12:00,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:12:00,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:12:00,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:12:00,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:12:00,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:12:00,702 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:12:00,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:12:00,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:12:00,713 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:12:00,714 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:12:00,714 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:12:00,714 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:12:00,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:12:00,715 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:12:00,716 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:12:00,716 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:12:00,716 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:12:00,716 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:12:00,716 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:12:00,716 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:12:00,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:12:00,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:12:00,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:12:00,718 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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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 [2018-11-10 09:12:00,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:12:00,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:12:00,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:12:00,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:12:00,754 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:12:00,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-10 09:12:00,802 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/4439a21ab/ca76693e2fdf4d988b16cf0d7e4282f6/FLAG7907c5fce [2018-11-10 09:12:01,119 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:12:01,119 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-10 09:12:01,123 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/4439a21ab/ca76693e2fdf4d988b16cf0d7e4282f6/FLAG7907c5fce [2018-11-10 09:12:01,132 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/4439a21ab/ca76693e2fdf4d988b16cf0d7e4282f6 [2018-11-10 09:12:01,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:12:01,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:12:01,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:12:01,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:12:01,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:12:01,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f863a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01, skipping insertion in model container [2018-11-10 09:12:01,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:12:01,162 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:12:01,268 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:12:01,270 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:12:01,284 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:12:01,297 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:12:01,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01 WrapperNode [2018-11-10 09:12:01,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:12:01,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:12:01,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:12:01,298 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:12:01,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:12:01,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:12:01,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:12:01,323 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:12:01,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:12:01,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:12:01,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:12:01,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:12:01,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:12:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 09:12:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 09:12:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 09:12:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 09:12:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:12:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:12:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 09:12:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 09:12:01,828 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:12:01,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:01 BoogieIcfgContainer [2018-11-10 09:12:01,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:12:01,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:12:01,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:12:01,839 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:12:01,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:01" (1/1) ... [2018-11-10 09:12:01,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:12:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-10 09:12:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-10 09:12:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 09:12:01,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:12:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-10 09:12:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-10 09:12:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 09:12:01,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:02,055 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 09:12:02,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:12:02 ImpRootNode [2018-11-10 09:12:02,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:12:02,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:12:02,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:12:02,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:12:02,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:01" (3/4) ... [2018-11-10 09:12:02,085 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 09:12:02,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:12:02,086 INFO L168 Benchmark]: Toolchain (without parser) took 951.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,088 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:12:02,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,089 INFO L168 Benchmark]: Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,090 INFO L168 Benchmark]: RCFGBuilder took 489.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,090 INFO L168 Benchmark]: CodeCheck took 252.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:02,091 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:12:02,094 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.14 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.60 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 489.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 252.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 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 [2018-11-10 09:12:03,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:12:03,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:12:03,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:12:03,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:12:03,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:12:03,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:12:03,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:12:03,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:12:03,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:12:03,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:12:03,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:12:03,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:12:03,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:12:03,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:12:03,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:12:03,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:12:03,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:12:03,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:12:03,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:12:03,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:12:03,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:12:03,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:12:03,623 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:12:03,623 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:12:03,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:12:03,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:12:03,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:12:03,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:12:03,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:12:03,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:12:03,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:12:03,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:12:03,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:12:03,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:12:03,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:12:03,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 09:12:03,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:12:03,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:12:03,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:12:03,642 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:12:03,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:12:03,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:12:03,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:12:03,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:12:03,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:12:03,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:12:03,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:12:03,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:12:03,645 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:12:03,645 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:12:03,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:12:03,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:12:03,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:12:03,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:12:03,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 09:12:03,646 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 09:12:03,646 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_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/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 [2018-11-10 09:12:03,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:12:03,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:12:03,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:12:03,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:12:03,694 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:12:03,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-10 09:12:03,734 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/451901737/a83906e33a8b4a7784c3d117ca97f55e/FLAG55ca154be [2018-11-10 09:12:04,133 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:12:04,133 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/sv-benchmarks/c/float-newlib/float_req_bl_1252b_false-unreach-call.c [2018-11-10 09:12:04,138 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/451901737/a83906e33a8b4a7784c3d117ca97f55e/FLAG55ca154be [2018-11-10 09:12:04,148 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/data/451901737/a83906e33a8b4a7784c3d117ca97f55e [2018-11-10 09:12:04,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:12:04,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:12:04,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:12:04,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:12:04,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:12:04,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de27aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04, skipping insertion in model container [2018-11-10 09:12:04,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:12:04,181 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:12:04,302 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:12:04,306 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:12:04,325 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:12:04,343 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:12:04,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04 WrapperNode [2018-11-10 09:12:04,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:12:04,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:12:04,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:12:04,344 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:12:04,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:12:04,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:12:04,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:12:04,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:12:04,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:12:04,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:12:04,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:12:04,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:12:04,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:12:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:12:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 09:12:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 09:12:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 09:12:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 09:12:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:12:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:12:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 09:12:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 09:12:04,601 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:12:04,610 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:12:04,656 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:12:04,666 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:12:04,907 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:12:04,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:04 BoogieIcfgContainer [2018-11-10 09:12:04,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:12:04,908 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:12:04,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:12:04,918 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:12:04,918 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:04" (1/1) ... [2018-11-10 09:12:04,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:12:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-10 09:12:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-10 09:12:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 09:12:04,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:05,016 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:05,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:12:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:12:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 09:12:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 09:12:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 09:12:05,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:05,060 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:05,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:12:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:12:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-10 09:12:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-10 09:12:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 09:12:05,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:05,200 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:05,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:12:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:12:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-10 09:12:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-10 09:12:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 09:12:05,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:05,224 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:05,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:12:06,289 WARN L179 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-10 09:12:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:12:06,777 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-11-10 09:12:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-11-10 09:12:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-10 09:12:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 09:12:07,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:07,067 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:12:07,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:12:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 09:12:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:12:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-11-10 09:12:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-11-10 09:12:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 09:12:08,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:12:08,657 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:12:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:12:08,712 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-10 09:12:08,734 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,735 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,735 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,736 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,736 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,737 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,737 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,737 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,737 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,737 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:12:08 ImpRootNode [2018-11-10 09:12:08,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:12:08,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:12:08,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:12:08,743 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:12:08,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:12:04" (3/4) ... [2018-11-10 09:12:08,746 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 09:12:08,750 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,751 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,751 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,751 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,751 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-11-10 09:12:08,751 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,752 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,752 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,752 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,752 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-11-10 09:12:08,795 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1bd197e8-d9ea-4adf-b8fc-03319e19d08c/bin-2019/ukojak/witness.graphml [2018-11-10 09:12:08,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:12:08,796 INFO L168 Benchmark]: Toolchain (without parser) took 4646.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:08,797 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:12:08,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.15 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:08,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.09 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:12:08,798 INFO L168 Benchmark]: Boogie Preprocessor took 21.42 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:12:08,798 INFO L168 Benchmark]: RCFGBuilder took 513.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:08,799 INFO L168 Benchmark]: CodeCheck took 3834.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -854.0 kB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:08,800 INFO L168 Benchmark]: Witness Printer took 52.63 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:12:08,803 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, 3.7s 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, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.4s 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 0.15 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 192.15 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 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 29.09 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.42 ms. Allocated memory is still 1.0 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 513.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3834.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -854.0 kB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.63 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: 7.8 MB). Peak memory consumption was 7.8 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...