./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/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 6f57b560c2271100a3cc213cf38aa06905e4b86e ................................................................................................................................................................................................................................................ 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_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/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 6f57b560c2271100a3cc213cf38aa06905e4b86e ............................................................................................................................................................................................................................................................................................................................................... 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 12:26:26,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:26:26,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:26:26,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:26:26,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:26:26,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:26:26,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:26:26,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:26:26,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:26:26,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:26:26,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:26:26,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:26:26,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:26:26,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:26:26,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:26:26,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:26:26,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:26:26,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:26:26,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:26:26,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:26:26,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:26:26,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:26:26,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:26:26,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:26:26,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:26:26,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:26:26,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:26:26,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:26:26,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:26:26,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:26:26,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:26:26,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:26:26,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:26:26,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:26:26,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:26:26,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:26:26,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:26:26,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:26:26,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:26:26,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:26:26,930 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:26:26,931 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:26:26,931 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:26:26,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:26:26,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:26:26,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:26:26,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:26:26,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:26:26,933 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:26:26,933 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:26:26,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:26:26,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:26:26,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:26:26,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:26:26,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:26:26,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:26:26,934 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:26:26,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:26:26,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:26:26,934 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_f427a3a0-b161-4d03-81cf-76f741245e1a/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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-12-08 12:26:26,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:26:26,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:26:26,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:26:26,961 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:26:26,961 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:26:26,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-12-08 12:26:26,996 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/f356fe9cd/1ddd048527bc4960812cd8d4423cd961/FLAG9011a6ba4 [2018-12-08 12:26:27,432 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:26:27,432 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-12-08 12:26:27,436 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/f356fe9cd/1ddd048527bc4960812cd8d4423cd961/FLAG9011a6ba4 [2018-12-08 12:26:27,444 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/f356fe9cd/1ddd048527bc4960812cd8d4423cd961 [2018-12-08 12:26:27,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:26:27,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:26:27,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:26:27,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:26:27,451 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:26:27,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27, skipping insertion in model container [2018-12-08 12:26:27,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:26:27,468 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:26:27,581 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:26:27,584 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:26:27,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:26:27,617 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:26:27,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27 WrapperNode [2018-12-08 12:26:27,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:26:27,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:26:27,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:26:27,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:26:27,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:26:27,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:26:27,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:26:27,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:26:27,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:26:27,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:26:27,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:26:27,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:26:27,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/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 12:26:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 12:26:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 12:26:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 12:26:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:26:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:26:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:26:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 12:26:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:26:27,939 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:26:27,939 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 12:26:27,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:27 BoogieIcfgContainer [2018-12-08 12:26:27,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:26:27,939 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:26:27,940 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:26:27,946 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:26:27,946 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:27" (1/1) ... [2018-12-08 12:26:27,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:26:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 12:26:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 12:26:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 12:26:27,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:28,042 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 12:26:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-08 12:26:28,048 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-08 12:26:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 12:26:28,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:28,133 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 12:26:28,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:26:28 ImpRootNode [2018-12-08 12:26:28,156 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:26:28,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:26:28,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:26:28,157 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:26:28,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:27" (3/4) ... [2018-12-08 12:26:28,159 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:26:28,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:26:28,160 INFO L168 Benchmark]: Toolchain (without parser) took 712.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:28,161 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:26:28,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.96 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:28,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:28,162 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:26:28,162 INFO L168 Benchmark]: RCFGBuilder took 245.42 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:28,163 INFO L168 Benchmark]: CodeCheck took 217.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:28,163 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:26:28,165 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: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 80. Possible FailurePath: [L79] double x = 0.0; [L80] double y = -0.0; [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L24] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; [L52] RET, EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.96 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.92 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. * RCFGBuilder took 245.42 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * CodeCheck took 217.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.2 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 12:26:29,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:26:29,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:26:29,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:26:29,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:26:29,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:26:29,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:26:29,523 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:26:29,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:26:29,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:26:29,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:26:29,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:26:29,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:26:29,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:26:29,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:26:29,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:26:29,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:26:29,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:26:29,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:26:29,530 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:26:29,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:26:29,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:26:29,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:26:29,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:26:29,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:26:29,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:26:29,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:26:29,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:26:29,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:26:29,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:26:29,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:26:29,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:26:29,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:26:29,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:26:29,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:26:29,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:26:29,537 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 12:26:29,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:26:29,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:26:29,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:26:29,548 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:26:29,549 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:26:29,549 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:26:29,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:26:29,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:26:29,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 12:26:29,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:26:29,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:26:29,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:26:29,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:26:29,551 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:26:29,551 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:26:29,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:26:29,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:26:29,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:26:29,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:26:29,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:26:29,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:26:29,552 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 12:26:29,553 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 12:26:29,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:26:29,553 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 12:26:29,553 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 12:26:29,553 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_f427a3a0-b161-4d03-81cf-76f741245e1a/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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-12-08 12:26:29,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:26:29,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:26:29,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:26:29,587 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:26:29,587 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:26:29,588 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-12-08 12:26:29,623 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/13e0865f9/902ee2872bdf4503969320f2cc9de389/FLAG4aeb42056 [2018-12-08 12:26:29,950 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:26:29,951 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-12-08 12:26:29,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/13e0865f9/902ee2872bdf4503969320f2cc9de389/FLAG4aeb42056 [2018-12-08 12:26:30,362 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/data/13e0865f9/902ee2872bdf4503969320f2cc9de389 [2018-12-08 12:26:30,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:26:30,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:26:30,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:26:30,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:26:30,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:26:30,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11778b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30, skipping insertion in model container [2018-12-08 12:26:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:26:30,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:26:30,499 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:26:30,502 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:26:30,521 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:26:30,538 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:26:30,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30 WrapperNode [2018-12-08 12:26:30,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:26:30,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:26:30,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:26:30,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:26:30,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:26:30,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:26:30,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:26:30,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:26:30,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:26:30,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:26:30,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:26:30,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:26:30,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:26:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/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 12:26:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 12:26:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 12:26:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 12:26:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:26:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 12:26:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:26:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:26:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:26:30,769 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 12:26:30,838 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 12:26:30,948 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:26:30,949 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 12:26:30,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:30 BoogieIcfgContainer [2018-12-08 12:26:30,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:26:30,949 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:26:30,949 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:26:30,955 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:26:30,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:30" (1/1) ... [2018-12-08 12:26:30,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:26:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 12:26:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 12:26:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 12:26:30,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:31,017 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:31,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:26:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:26:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-08 12:26:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-08 12:26:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 12:26:31,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:31,059 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:31,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:26:31,110 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 12:26:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-08 12:26:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-08 12:26:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 12:26:31,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:31,174 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:31,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:26:31,187 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 12:26:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-08 12:26:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-08 12:26:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 12:26:31,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:31,190 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:31,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:26:36,960 WARN L180 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 3751 DAG size of output: 175 [2018-12-08 12:26:37,004 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 12:26:37,684 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-12-08 12:26:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-08 12:26:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 12:26:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 12:26:38,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:38,028 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:26:38,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:26:38,124 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 12:26:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:26:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 22 transitions. [2018-12-08 12:26:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-08 12:26:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 12:26:38,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:26:38,633 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 12:26:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:26:38,819 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-08 12:26:38,839 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,840 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,840 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,840 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,841 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,841 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:26:38 ImpRootNode [2018-12-08 12:26:38,845 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:26:38,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:26:38,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:26:38,845 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:26:38,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:26:30" (3/4) ... [2018-12-08 12:26:38,847 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 12:26:38,851 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,851 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,852 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-08 12:26:38,852 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,852 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,852 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-08 12:26:38,884 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f427a3a0-b161-4d03-81cf-76f741245e1a/bin-2019/ukojak/witness.graphml [2018-12-08 12:26:38,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:26:38,885 INFO L168 Benchmark]: Toolchain (without parser) took 8520.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 149.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:38,885 INFO L168 Benchmark]: CDTParser took 0.11 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 12:26:38,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:38,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.13 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:26:38,886 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:38,887 INFO L168 Benchmark]: RCFGBuilder took 332.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:38,887 INFO L168 Benchmark]: CodeCheck took 7895.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.4 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:26:38,888 INFO L168 Benchmark]: Witness Printer took 39.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:26:38,891 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, 7.8s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 436 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 547 GetRequests, 513 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 6469 SizeOfPredicates, 19 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 30 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: 85]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L79] double x = 0.0; [L80] double y = -0.0; [L52] CALL, EXPR __fpclassify_double(x) [L24] __uint32_t msw, lsw; [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L35] return 2; [L52] RET, EXPR __fpclassify_double(x) [L52] COND FALSE !(__fpclassify_double(x) == 0) [L54] CALL, EXPR __fpclassify_double(y) [L24] __uint32_t msw, lsw; [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L35] return 2; [L54] RET, EXPR __fpclassify_double(y) [L54] COND FALSE !(__fpclassify_double(y) == 0) [L57] EXPR x > y ? x : y [L57] return x > y ? x : y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L61] __uint32_t msw; [L64] ieee_double_shape_type gh_u; [L65] gh_u.value = (x) [L66] EXPR gh_u.parts.msw [L66] (msw) = gh_u.parts.msw [L69] return (msw & 0x80000000) != 0; [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 28.13 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 332.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * CodeCheck took 7895.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -18.4 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...