./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-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_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 c91754c7d707a58127a2dc4a18babac51d557647 .................................................................................................................................................................................................................................... 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_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 c91754c7d707a58127a2dc4a18babac51d557647 ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:42:28,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:42:28,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:42:28,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:42:28,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:42:28,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:42:28,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:42:28,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:42:28,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:42:28,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:42:28,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:42:28,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:42:28,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:42:28,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:42:28,158 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:42:28,159 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:42:28,159 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:42:28,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:42:28,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:42:28,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:42:28,162 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:42:28,163 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:42:28,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:42:28,164 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:42:28,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:42:28,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:42:28,165 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:42:28,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:42:28,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:42:28,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:42:28,166 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:42:28,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:42:28,167 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:42:28,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:42:28,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:42:28,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:42:28,168 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:42:28,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:42:28,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:42:28,176 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:42:28,176 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:42:28,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:42:28,176 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:42:28,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:42:28,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:42:28,177 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:42:28,177 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:42:28,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:42:28,178 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:42:28,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:42:28,178 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_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-12-08 20:42:28,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:42:28,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:42:28,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:42:28,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:42:28,205 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:42:28,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-12-08 20:42:28,242 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/5c0769c5b/0d779908bd7d4afe9e9d730f34d7da55/FLAGf021a4041 [2018-12-08 20:42:28,627 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:42:28,627 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-12-08 20:42:28,630 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/5c0769c5b/0d779908bd7d4afe9e9d730f34d7da55/FLAGf021a4041 [2018-12-08 20:42:28,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/5c0769c5b/0d779908bd7d4afe9e9d730f34d7da55 [2018-12-08 20:42:28,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:42:28,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:42:28,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:42:28,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:42:28,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:42:28,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf82b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28, skipping insertion in model container [2018-12-08 20:42:28,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:42:28,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:42:28,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:42:28,748 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:42:28,761 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:42:28,773 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:42:28,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28 WrapperNode [2018-12-08 20:42:28,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:42:28,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:42:28,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:42:28,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:42:28,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:42:28,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:42:28,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:42:28,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:42:28,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... [2018-12-08 20:42:28,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:42:28,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:42:28,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:42:28,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:42:28,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 20:42:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 20:42:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 20:42:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 20:42:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:42:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:42:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:42:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 20:42:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 20:42:29,006 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:42:29,006 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 20:42:29,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:29 BoogieIcfgContainer [2018-12-08 20:42:29,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:42:29,007 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:42:29,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:42:29,014 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:42:29,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:29" (1/1) ... [2018-12-08 20:42:29,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:42:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:42:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-12-08 20:42:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-12-08 20:42:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 20:42:29,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:42:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:42:29,105 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 20:42:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:42:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-12-08 20:42:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-12-08 20:42:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 20:42:29,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:42:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:42:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:42:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:42:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:42:29,200 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 20:42:29,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:42:29 ImpRootNode [2018-12-08 20:42:29,216 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:42:29,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:42:29,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:42:29,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:42:29,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:29" (3/4) ... [2018-12-08 20:42:29,219 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 20:42:29,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:42:29,219 INFO L168 Benchmark]: Toolchain (without parser) took 579.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:29,221 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:42:29,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:29,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:29,222 INFO L168 Benchmark]: Boogie Preprocessor took 16.04 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 20:42:29,222 INFO L168 Benchmark]: RCFGBuilder took 165.48 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:29,222 INFO L168 Benchmark]: CodeCheck took 209.22 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:29,222 INFO L168 Benchmark]: Witness Printer took 2.91 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 20:42:29,224 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 1 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 49]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 33, overapproximation of bitwiseOr at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L43] float x = 0.0f / 0.0f; [L44] float y = __VERIFIER_nondet_float(); [L13] __uint32_t ix, iy; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (y) [L22] EXPR gf_u.word [L22] (iy) = gf_u.word [L25] ieee_float_shape_type sf_u; [L26] sf_u.word = ((ix & 0x7fffffff) | (iy & 0x80000000)) [L27] EXPR sf_u.value [L27] (x) = sf_u.value [L29] return x; [L45] float res = copysign_float(x, y); [L33] return x != x; [L48] COND TRUE !isnan_float(res) [L49] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.54 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.04 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 165.48 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 209.22 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:42:30,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:42:30,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:42:30,658 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:42:30,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:42:30,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:42:30,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:42:30,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:42:30,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:42:30,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:42:30,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:42:30,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:42:30,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:42:30,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:42:30,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:42:30,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:42:30,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:42:30,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:42:30,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:42:30,666 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:42:30,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:42:30,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:42:30,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:42:30,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:42:30,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:42:30,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:42:30,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:42:30,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:42:30,672 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:42:30,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:42:30,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:42:30,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:42:30,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:42:30,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:42:30,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:42:30,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:42:30,674 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 20:42:30,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:42:30,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:42:30,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:42:30,684 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:42:30,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:42:30,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:42:30,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:42:30,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:42:30,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 20:42:30,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:42:30,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:42:30,687 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:42:30,687 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:42:30,687 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:42:30,687 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:42:30,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:42:30,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 20:42:30,688 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 20:42:30,689 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:42:30,689 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 20:42:30,689 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 20:42:30,689 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_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 -> c91754c7d707a58127a2dc4a18babac51d557647 [2018-12-08 20:42:30,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:42:30,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:42:30,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:42:30,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:42:30,727 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:42:30,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-12-08 20:42:30,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/72707c683/a9090b43d2884d6eaf88a3f01cac02b8/FLAG652734804 [2018-12-08 20:42:31,154 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:42:31,155 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/sv-benchmarks/c/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-12-08 20:42:31,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/72707c683/a9090b43d2884d6eaf88a3f01cac02b8/FLAG652734804 [2018-12-08 20:42:31,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/data/72707c683/a9090b43d2884d6eaf88a3f01cac02b8 [2018-12-08 20:42:31,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:42:31,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:42:31,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:42:31,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:42:31,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:42:31,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25287d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31, skipping insertion in model container [2018-12-08 20:42:31,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:42:31,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:42:31,290 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:42:31,293 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:42:31,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:42:31,325 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:42:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31 WrapperNode [2018-12-08 20:42:31,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:42:31,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:42:31,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:42:31,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:42:31,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:42:31,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:42:31,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:42:31,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:42:31,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:42:31,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:42:31,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:42:31,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:42:31,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:42:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/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 20:42:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:42:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 20:42:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 20:42:31,531 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:42:31,550 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:42:31,581 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:42:31,582 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-08 20:42:31,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:31 BoogieIcfgContainer [2018-12-08 20:42:31,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:42:31,582 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:42:31,582 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:42:31,589 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:42:31,589 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:31" (1/1) ... [2018-12-08 20:42:31,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:42:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:42:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-12-08 20:42:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-12-08 20:42:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 20:42:31,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:42:31,649 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 20:42:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:42:31,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:42:31,672 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 20:42:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:42:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-12-08 20:42:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-12-08 20:42:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 20:42:31,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:42:31,678 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 20:42:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:42:31,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:42:31,772 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 20:42:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:42:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-12-08 20:42:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-12-08 20:42:31,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:42:31,853 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-08 20:42:31,858 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:42:31,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 20:42:31,873 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-08 20:42:31,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,878 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,878 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-08 20:42:31,879 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,879 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:42:31 ImpRootNode [2018-12-08 20:42:31,879 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:42:31,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:42:31,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:42:31,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:42:31,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:42:31" (3/4) ... [2018-12-08 20:42:31,883 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:42:31,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 20:42:31,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:42:31,889 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:42:31,912 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b75cd38-bc7b-40b0-ae4e-d542e7397553/bin-2019/ukojak/witness.graphml [2018-12-08 20:42:31,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:42:31,912 INFO L168 Benchmark]: Toolchain (without parser) took 744.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:31,913 INFO L168 Benchmark]: CDTParser took 0.15 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 20:42:31,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.73 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 20:42:31,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.97 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 20:42:31,914 INFO L168 Benchmark]: Boogie Preprocessor took 49.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:31,914 INFO L168 Benchmark]: RCFGBuilder took 183.05 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:31,915 INFO L168 Benchmark]: CodeCheck took 297.37 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:31,915 INFO L168 Benchmark]: Witness Printer took 32.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:42:31,917 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 1 procedures, 17 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 6 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 11 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 49]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2018-12-08 20:42:31,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant [2018-12-08 20:42:31,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 20:42:31,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.73 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 22.97 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 49.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 183.05 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * CodeCheck took 297.37 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 32.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...