./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/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 36a0a55241cede481b157c1ab9f348d708a5b166 ........................................................................................................................................................................................................................................ 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_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/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 36a0a55241cede481b157c1ab9f348d708a5b166 .................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:16:29,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:16:29,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:16:29,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:16:29,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:16:29,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:16:29,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:16:29,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:16:29,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:16:29,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:16:29,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:16:29,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:16:29,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:16:29,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:16:29,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:16:29,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:16:29,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:16:29,752 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:16:29,753 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:16:29,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:16:29,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:16:29,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:16:29,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:16:29,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:16:29,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:16:29,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:16:29,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:16:29,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:16:29,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:16:29,760 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:16:29,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:16:29,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:16:29,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:16:29,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:16:29,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:16:29,762 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:16:29,762 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 15:16:29,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:16:29,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:16:29,772 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:16:29,772 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 15:16:29,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:16:29,773 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:16:29,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:16:29,774 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 15:16:29,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:16:29,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:16:29,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:16:29,775 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 15:16:29,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:16:29,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:16:29,775 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_4e49630c-1209-4a3a-9279-31af4817d405/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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-12-08 15:16:29,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:16:29,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:16:29,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:16:29,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:16:29,805 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:16:29,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-12-08 15:16:29,841 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/86f9eea12/4dbd8a9dded84a15b771a3e78e3b7060/FLAGe5386304a [2018-12-08 15:16:30,240 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:16:30,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-12-08 15:16:30,244 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/86f9eea12/4dbd8a9dded84a15b771a3e78e3b7060/FLAGe5386304a [2018-12-08 15:16:30,253 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/86f9eea12/4dbd8a9dded84a15b771a3e78e3b7060 [2018-12-08 15:16:30,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:16:30,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:16:30,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:16:30,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:16:30,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:16:30,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30, skipping insertion in model container [2018-12-08 15:16:30,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:16:30,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:16:30,368 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:16:30,371 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:16:30,386 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:16:30,398 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:16:30,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30 WrapperNode [2018-12-08 15:16:30,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:16:30,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:16:30,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:16:30,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:16:30,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:16:30,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:16:30,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:16:30,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:16:30,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:16:30,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:16:30,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:16:30,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:16:30,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:16:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 15:16:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 15:16:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 15:16:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:16:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:16:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:16:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 15:16:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:16:30,707 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:16:30,708 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 15:16:30,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:30 BoogieIcfgContainer [2018-12-08 15:16:30,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:16:30,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 15:16:30,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 15:16:30,715 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 15:16:30,715 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:30" (1/1) ... [2018-12-08 15:16:30,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:16:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 15:16:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 15:16:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 15:16:30,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:16:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-08 15:16:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-08 15:16:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 15:16:30,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:30,893 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 15:16:30,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 03:16:30 ImpRootNode [2018-12-08 15:16:30,912 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 15:16:30,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:16:30,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:16:30,912 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:16:30,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:30" (3/4) ... [2018-12-08 15:16:30,915 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 15:16:30,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:16:30,916 INFO L168 Benchmark]: Toolchain (without parser) took 661.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -90.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:30,917 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:16:30,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:30,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:30,918 INFO L168 Benchmark]: Boogie Preprocessor took 15.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:16:30,918 INFO L168 Benchmark]: RCFGBuilder took 242.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:30,919 INFO L168 Benchmark]: CodeCheck took 203.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:30,919 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:16:30,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L13] __uint32_t w; VAL [\old(x)=1, x=1] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; [L36] RET, EXPR __fpclassify_float(x) [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.90 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 242.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 203.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:16:32,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:16:32,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:16:32,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:16:32,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:16:32,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:16:32,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:16:32,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:16:32,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:16:32,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:16:32,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:16:32,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:16:32,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:16:32,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:16:32,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:16:32,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:16:32,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:16:32,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:16:32,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:16:32,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:16:32,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:16:32,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:16:32,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:16:32,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:16:32,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:16:32,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:16:32,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:16:32,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:16:32,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:16:32,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:16:32,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:16:32,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:16:32,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:16:32,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:16:32,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:16:32,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:16:32,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 15:16:32,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:16:32,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:16:32,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:16:32,259 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 15:16:32,259 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:16:32,259 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:16:32,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 15:16:32,260 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:16:32,261 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 15:16:32,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:16:32,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:16:32,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 15:16:32,262 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 15:16:32,262 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_4e49630c-1209-4a3a-9279-31af4817d405/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 -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-12-08 15:16:32,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:16:32,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:16:32,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:16:32,294 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:16:32,294 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:16:32,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-12-08 15:16:32,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/26c4e1743/7e3199f92ac94e2a8ee19fc310bda7cc/FLAG78c33ee3a [2018-12-08 15:16:32,732 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:16:32,733 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-12-08 15:16:32,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/26c4e1743/7e3199f92ac94e2a8ee19fc310bda7cc/FLAG78c33ee3a [2018-12-08 15:16:32,744 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/data/26c4e1743/7e3199f92ac94e2a8ee19fc310bda7cc [2018-12-08 15:16:32,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:16:32,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:16:32,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:16:32,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:16:32,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:16:32,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32, skipping insertion in model container [2018-12-08 15:16:32,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:16:32,765 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:16:32,858 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:16:32,862 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:16:32,877 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:16:32,891 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:16:32,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32 WrapperNode [2018-12-08 15:16:32,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:16:32,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:16:32,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:16:32,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:16:32,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:16:32,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:16:32,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:16:32,916 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:16:32,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... [2018-12-08 15:16:32,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:16:32,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:16:32,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:16:32,966 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:16:32,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:16:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:16:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-12-08 15:16:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-12-08 15:16:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:16:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 15:16:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:16:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:16:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 15:16:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:16:33,104 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:16:33,143 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:16:33,244 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:16:33,244 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 15:16:33,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:33 BoogieIcfgContainer [2018-12-08 15:16:33,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:16:33,244 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 15:16:33,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 15:16:33,250 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 15:16:33,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:33" (1/1) ... [2018-12-08 15:16:33,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:16:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 15:16:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 15:16:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 15:16:33,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:33,322 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:33,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:16:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:16:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-08 15:16:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-08 15:16:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 15:16:33,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:33,366 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:33,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:16:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:16:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-08 15:16:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-08 15:16:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 15:16:33,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:33,474 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:33,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:16:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:16:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-08 15:16:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-08 15:16:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 15:16:33,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:33,492 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:33,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:16:34,335 WARN L180 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-12-08 15:16:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:16:34,921 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-12-08 15:16:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-08 15:16:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 15:16:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 15:16:35,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:35,215 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:16:35,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:16:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 15:16:36,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:16:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2018-12-08 15:16:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-12-08 15:16:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 15:16:36,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:16:36,679 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 15:16:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 15:16:36,740 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-08 15:16:36,756 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,757 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,757 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,758 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,758 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,758 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 03:16:36 ImpRootNode [2018-12-08 15:16:36,761 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 15:16:36,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:16:36,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:16:36,762 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:16:36,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:16:33" (3/4) ... [2018-12-08 15:16:36,764 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 15:16:36,766 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,767 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,767 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 15:16:36,767 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,767 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,767 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 15:16:36,799 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e49630c-1209-4a3a-9279-31af4817d405/bin-2019/ukojak/witness.graphml [2018-12-08 15:16:36,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:16:36,800 INFO L168 Benchmark]: Toolchain (without parser) took 4053.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,800 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:16:36,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,802 INFO L168 Benchmark]: Boogie Preprocessor took 49.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,802 INFO L168 Benchmark]: RCFGBuilder took 278.28 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,803 INFO L168 Benchmark]: CodeCheck took 3516.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,803 INFO L168 Benchmark]: Witness Printer took 37.81 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:16:36,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 3.4s 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, 516 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 15162 SizeOfPredicates, 22 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 70]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; [L36] CALL, EXPR __fpclassify_float(x) [L13] __uint32_t w; [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] return 2; [L36] RET, EXPR __fpclassify_float(x) [L36] COND FALSE !(__fpclassify_float(x) == 0) [L38] CALL, EXPR __fpclassify_float(y) [L13] __uint32_t w; [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] return 2; [L38] RET, EXPR __fpclassify_float(y) [L38] COND FALSE !(__fpclassify_float(y) == 0) [L41] EXPR x < y ? x : y [L41] return x < y ? x : y; [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L45] __uint32_t w; [L48] ieee_float_shape_type gf_u; [L49] gf_u.value = (x) [L50] EXPR gf_u.word [L50] (w) = gf_u.word [L53] return (w & 0x80000000) != 0; [L69] EXPR res == -0.0f && __signbit_float(res) == 1 [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.68 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.28 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3516.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.81 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: 7.9 MB). Peak memory consumption was 7.9 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 ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...