./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_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_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 887f0640b1b5afa2d39789f5b16e950cef616033 ........................................................................................................................................................................................................................... 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_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 887f0640b1b5afa2d39789f5b16e950cef616033 ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:21:39,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:21:39,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:21:39,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:21:39,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:21:39,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:21:39,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:21:39,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:21:39,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:21:39,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:21:39,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:21:39,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:21:39,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:21:39,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:21:39,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:21:39,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:21:39,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:21:39,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:21:39,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:21:39,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:21:39,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:21:39,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:21:39,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:21:39,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:21:39,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:21:39,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:21:39,134 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:21:39,134 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:21:39,135 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:21:39,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:21:39,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:21:39,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:21:39,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:21:39,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:21:39,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:21:39,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:21:39,138 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 14:21:39,145 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:21:39,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:21:39,146 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:21:39,146 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:21:39,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:21:39,147 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:21:39,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:21:39,147 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:21:39,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:21:39,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:21:39,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:21:39,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:21:39,149 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:21:39,149 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:21:39,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:21:39,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:21:39,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:21:39,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:21:39,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:21:39,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:21:39,150 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:21:39,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:21:39,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:21:39,150 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_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-12-01 14:21:39,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:21:39,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:21:39,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:21:39,177 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:21:39,177 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:21:39,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-12-01 14:21:39,211 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/1e3377ce5/9681b65203ab44779e1da198376a5480/FLAG2ba2ef62d [2018-12-01 14:21:39,620 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:21:39,620 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-12-01 14:21:39,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/1e3377ce5/9681b65203ab44779e1da198376a5480/FLAG2ba2ef62d [2018-12-01 14:21:39,631 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/1e3377ce5/9681b65203ab44779e1da198376a5480 [2018-12-01 14:21:39,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:21:39,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:21:39,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:21:39,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:21:39,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:21:39,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39, skipping insertion in model container [2018-12-01 14:21:39,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:21:39,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:21:39,742 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:21:39,744 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:21:39,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:21:39,768 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:21:39,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39 WrapperNode [2018-12-01 14:21:39,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:21:39,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:21:39,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:21:39,769 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:21:39,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:21:39,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:21:39,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:21:39,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:21:39,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:39,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:21:39,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:21:39,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:21:39,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:21:39,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:21:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:21:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 14:21:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 14:21:39,998 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:21:39,998 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-01 14:21:39,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:39 BoogieIcfgContainer [2018-12-01 14:21:39,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:21:39,999 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:21:39,999 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:21:40,006 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:21:40,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:39" (1/1) ... [2018-12-01 14:21:40,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:21:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-12-01 14:21:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-12-01 14:21:40,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:21:40,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:21:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:21:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-12-01 14:21:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-01 14:21:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:21:40,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:21:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:21:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:21:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 14:21:40,166 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 14:21:40,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:21:40 ImpRootNode [2018-12-01 14:21:40,181 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:21:40,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:21:40,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:21:40,181 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:21:40,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:39" (3/4) ... [2018-12-01 14:21:40,183 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 14:21:40,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:21:40,184 INFO L168 Benchmark]: Toolchain (without parser) took 550.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:40,185 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-01 14:21:40,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.74 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. [2018-12-01 14:21:40,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:40,186 INFO L168 Benchmark]: Boogie Preprocessor took 19.16 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. [2018-12-01 14:21:40,186 INFO L168 Benchmark]: RCFGBuilder took 158.27 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:40,187 INFO L168 Benchmark]: CodeCheck took 181.75 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:40,187 INFO L168 Benchmark]: Witness Printer took 2.65 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. [2018-12-01 14:21:40,189 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, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 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, 16 NumberOfCodeBlocks, 16 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: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L45] float x = 0.0f; [L13] __uint32_t ix; [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 sf_u; [L21] sf_u.word = (ix & 0x7fffffff) [L22] EXPR sf_u.value [L22] (x) = sf_u.value [L24] return x; [L46] float res = fabs_float(x); [L49] EXPR res == 0.0f && __signbit_float(res) == 0 [L49] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L50] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.74 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 52.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.16 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 158.27 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * CodeCheck took 181.75 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 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 [2018-12-01 14:21:41,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:21:41,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:21:41,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:21:41,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:21:41,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:21:41,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:21:41,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:21:41,560 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:21:41,561 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:21:41,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:21:41,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:21:41,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:21:41,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:21:41,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:21:41,563 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:21:41,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:21:41,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:21:41,565 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:21:41,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:21:41,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:21:41,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:21:41,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:21:41,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:21:41,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:21:41,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:21:41,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:21:41,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:21:41,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:21:41,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:21:41,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:21:41,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:21:41,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:21:41,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:21:41,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:21:41,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:21:41,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 14:21:41,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:21:41,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:21:41,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:21:41,580 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:21:41,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:21:41,580 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:21:41,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:21:41,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:21:41,580 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:21:41,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:21:41,581 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:21:41,581 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:21:41,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:21:41,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 14:21:41,582 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 14:21:41,583 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_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-12-01 14:21:41,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:21:41,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:21:41,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:21:41,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:21:41,610 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:21:41,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-12-01 14:21:41,644 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/5490995d3/b35eb1da7e624381bd7ef888acc2f86d/FLAGc4e52dbc6 [2018-12-01 14:21:41,997 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:21:41,997 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-12-01 14:21:42,001 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/5490995d3/b35eb1da7e624381bd7ef888acc2f86d/FLAGc4e52dbc6 [2018-12-01 14:21:42,377 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/data/5490995d3/b35eb1da7e624381bd7ef888acc2f86d [2018-12-01 14:21:42,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:21:42,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:21:42,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:21:42,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:21:42,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:21:42,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42, skipping insertion in model container [2018-12-01 14:21:42,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:21:42,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:21:42,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:21:42,494 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:21:42,508 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:21:42,522 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:21:42,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42 WrapperNode [2018-12-01 14:21:42,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:21:42,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:21:42,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:21:42,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:21:42,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:21:42,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:21:42,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:21:42,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:21:42,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:21:42,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:21:42,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:21:42,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:21:42,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:21:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/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 [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:21:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 14:21:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 14:21:42,717 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 14:21:42,740 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 14:21:42,765 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:21:42,766 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-01 14:21:42,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:42 BoogieIcfgContainer [2018-12-01 14:21:42,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:21:42,766 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:21:42,766 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:21:42,772 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:21:42,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:42" (1/1) ... [2018-12-01 14:21:42,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:21:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-12-01 14:21:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-12-01 14:21:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:21:42,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:42,834 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 14:21:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:21:42,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:21:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:21:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-12-01 14:21:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-01 14:21:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:21:42,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:42,863 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 14:21:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:21:42,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:21:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:21:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-01 14:21:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-01 14:21:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:21:43,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:43,003 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 14:21:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:21:43,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:21:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:21:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-12-01 14:21:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-12-01 14:21:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 14:21:43,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:21:43,017 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 14:21:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:21:43,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:21:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:21:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:21:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-12-01 14:21:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-12-01 14:21:43,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:21:43,251 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-01 14:21:43,258 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 14:21:43,276 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-01 14:21:43,282 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 14:21:43,283 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 14:21:43,283 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:21:43,284 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 14:21:43,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:21:43 ImpRootNode [2018-12-01 14:21:43,284 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:21:43,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:21:43,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:21:43,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:21:43,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:21:42" (3/4) ... [2018-12-01 14:21:43,289 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:21:43,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 14:21:43,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:21:43,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:21:43,323 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47b07d43-534c-4e8c-97e2-47b44bf7ffd1/bin-2019/ukojak/witness.graphml [2018-12-01 14:21:43,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:21:43,324 INFO L168 Benchmark]: Toolchain (without parser) took 943.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,325 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-01 14:21:43,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.49 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.31 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,326 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 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. [2018-12-01 14:21:43,327 INFO L168 Benchmark]: RCFGBuilder took 200.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,327 INFO L168 Benchmark]: CodeCheck took 518.09 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: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,328 INFO L168 Benchmark]: Witness Printer took 38.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:21:43,331 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, 19 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 38 SDslu, 36 SDs, 0 SdLazy, 172 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 959 SizeOfPredicates, 19 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 50]: 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: 30]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 141.49 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.31 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.29 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. * RCFGBuilder took 200.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 518.09 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: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * Witness Printer took 38.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...