./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/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 2e3b677629e69b083ff740542124e952dcae7545 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/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 2e3b677629e69b083ff740542124e952dcae7545 ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:17:56,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:17:56,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:17:56,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:17:56,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:17:56,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:17:56,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:17:56,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:17:56,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:17:56,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:17:56,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:17:56,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:17:56,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:17:56,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:17:56,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:17:56,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:17:56,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:17:56,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:17:56,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:17:56,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:17:56,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:17:56,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:17:56,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:17:56,816 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:17:56,816 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:17:56,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:17:56,818 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:17:56,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:17:56,819 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:17:56,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:17:56,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:17:56,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:17:56,820 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:17:56,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:17:56,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:17:56,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:17:56,822 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:17:56,832 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:17:56,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:17:56,833 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:17:56,833 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:17:56,834 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:17:56,834 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:17:56,834 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:17:56,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:17:56,834 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:17:56,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:17:56,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:17:56,835 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:17:56,836 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:17:56,836 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:17:56,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:17:56,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:17:56,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:17:56,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:17:56,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:17:56,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:17:56,837 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:17:56,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:17:56,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:17:56,837 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_5756f969-ffd4-422b-bf18-8785133d9129/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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2018-11-23 08:17:56,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:17:56,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:17:56,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:17:56,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:17:56,873 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:17:56,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2018-11-23 08:17:56,919 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/0271f642b/fc687d89899d4c479d7a22f65f25faf7/FLAGfafb53951 [2018-11-23 08:17:57,240 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:17:57,240 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2018-11-23 08:17:57,246 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/0271f642b/fc687d89899d4c479d7a22f65f25faf7/FLAGfafb53951 [2018-11-23 08:17:57,255 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/0271f642b/fc687d89899d4c479d7a22f65f25faf7 [2018-11-23 08:17:57,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:17:57,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:17:57,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:17:57,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:17:57,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:17:57,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325aa0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57, skipping insertion in model container [2018-11-23 08:17:57,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:17:57,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:17:57,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:17:57,408 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:17:57,423 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:17:57,437 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:17:57,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57 WrapperNode [2018-11-23 08:17:57,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:17:57,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:17:57,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:17:57,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:17:57,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:17:57,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:17:57,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:17:57,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:17:57,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:17:57,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:17:57,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:17:57,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:17:57,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:17:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 08:17:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:17:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 08:17:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:17:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:17:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:17:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:17:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:17:57,838 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:17:57,838 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 08:17:57,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:57 BoogieIcfgContainer [2018-11-23 08:17:57,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:17:57,839 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:17:57,839 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:17:57,845 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:17:57,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:57" (1/1) ... [2018-11-23 08:17:57,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:17:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:17:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 08:17:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 08:17:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 08:17:57,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:17:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:17:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:17:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:17:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 08:17:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 08:17:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:17:57,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:17:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:17:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:17:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:17:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:17:58,037 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_ceil~0 := 1.0E30;havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := 0.0;ceil_float_#in~x := main_~x~0;havoc ceil_float_#res;havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0;ceil_float_~x := ceil_float_#in~x;havoc ceil_float_~i0~0;havoc ceil_float_~j0~0;havoc ceil_float_~i~0;havoc ceil_float_~ix~0; VAL [ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4);call ceil_float_#t~mem0 := read~int(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4);ceil_float_~i0~0 := (if ceil_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then ceil_float_#t~mem0 % 4294967296 % 4294967296 else ceil_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4);havoc ceil_float_#t~union1;havoc ceil_float_#t~mem0;call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset);havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] goto; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647);ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !(ceil_float_~j0~0 < 23);BeginParallelComposition{ParallelCodeBlock0: assume !(ceil_float_~ix~0 % 4294967296 < 2139095040);ceil_float_#res := ~someBinaryArithmeticFLOAToperation(ceil_float_~x, ceil_float_~x);ParallelCodeBlock1: assume !!(ceil_float_~ix~0 % 4294967296 < 2139095040);ceil_float_#res := ceil_float_~x;}EndParallelComposition VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, |ULTIMATE.start_ceil_float_#res|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] main_#t~ret6 := ceil_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, |ULTIMATE.start_ceil_float_#res|=0.0, |ULTIMATE.start_main_#t~short8|=false, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !main_#t~short8; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, |ULTIMATE.start_ceil_float_#res|=0.0, |ULTIMATE.start_main_#t~short8|=false, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, |ULTIMATE.start_ceil_float_#res|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !false; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~ix~0=(- 36028795760672768), ULTIMATE.start_ceil_float_~j0~0=23, ULTIMATE.start_ceil_float_~x=0.0, ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=0.0, |ULTIMATE.start_ceil_float_#res|=0.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L76] main_~x~0 := 0.0; [L77] ceil_float_#in~x := main_~x~0; [L77] havoc ceil_float_#res; [L77] havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0; [L13-L54] ceil_float_~x := ceil_float_#in~x; [L14] havoc ceil_float_~i0~0; [L14] havoc ceil_float_~j0~0; [L15] havoc ceil_float_~i~0; [L15] havoc ceil_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L17] call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] call ceil_float_#t~mem0 := read~int(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] ceil_float_~i0~0 := (if ceil_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then ceil_float_#t~mem0 % 4294967296 % 4294967296 else ceil_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] havoc ceil_float_#t~union1; [L19] havoc ceil_float_#t~mem0; [L17] call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset); [L17] havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L21] ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647); [L22] ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L23-L47] assume !(ceil_float_~j0~0 < 23); [L43-L46] assume !!(ceil_float_~ix~0 % 4294967296 < 2139095040); [L46] ceil_float_#res := ceil_float_~x; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L77] main_#t~ret6 := ceil_float_#res; [L77] main_~res~0 := main_#t~ret6; [L77] havoc main_#t~ret6; [L80] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80-L83] assume !main_#t~short8; [L80] havoc main_#t~ret7; [L80] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L76] main_~x~0 := 0.0; [L77] ceil_float_#in~x := main_~x~0; [L77] havoc ceil_float_#res; [L77] havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0.base, ceil_float_~#sf_u~0.offset, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0; [L13-L54] ceil_float_~x := ceil_float_#in~x; [L14] havoc ceil_float_~i0~0; [L14] havoc ceil_float_~j0~0; [L15] havoc ceil_float_~i~0; [L15] havoc ceil_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L17] call ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(ceil_float_~x, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] call ceil_float_#t~mem0 := read~int(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] ceil_float_~i0~0 := (if ceil_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then ceil_float_#t~mem0 % 4294967296 % 4294967296 else ceil_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(ceil_float_#t~union1, ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset, 4); [L19] havoc ceil_float_#t~union1; [L19] havoc ceil_float_#t~mem0; [L17] call ULTIMATE.dealloc(ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset); [L17] havoc ceil_float_~#gf_u~0.base, ceil_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L21] ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647); [L22] ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L23-L47] assume !(ceil_float_~j0~0 < 23); [L43-L46] assume !!(ceil_float_~ix~0 % 4294967296 < 2139095040); [L46] ceil_float_#res := ceil_float_~x; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L77] main_#t~ret6 := ceil_float_#res; [L77] main_~res~0 := main_#t~ret6; [L77] havoc main_#t~ret6; [L80] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80-L83] assume !main_#t~short8; [L80] havoc main_#t~ret7; [L80] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L76] main_~x~0 := 0.0; [L77] ceil_float_#in~x := main_~x~0; [L77] havoc ceil_float_#res; [L77] havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0; [L13-L54] ceil_float_~x := ceil_float_#in~x; [L14] havoc ceil_float_~i0~0; [L14] havoc ceil_float_~j0~0; [L15] havoc ceil_float_~i~0; [L15] havoc ceil_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L17] FCALL call ceil_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(ceil_float_~x, { base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] FCALL call ceil_float_#t~mem0 := read~int({ base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] ceil_float_~i0~0 := (if ceil_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then ceil_float_#t~mem0 % 4294967296 % 4294967296 else ceil_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(ceil_float_#t~union1, { base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] havoc ceil_float_#t~union1; [L19] havoc ceil_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(ceil_float_~#gf_u~0); [L17] havoc ceil_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L21] ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647); [L22] ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L23] COND FALSE !(ceil_float_~j0~0 < 23) [L43] COND FALSE !(!(ceil_float_~ix~0 % 4294967296 < 2139095040)) [L46] ceil_float_#res := ceil_float_~x; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L77] main_#t~ret6 := ceil_float_#res; [L77] main_~res~0 := main_#t~ret6; [L77] havoc main_#t~ret6; [L80] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] COND TRUE !main_#t~short8 [L80] havoc main_#t~ret7; [L80] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L76] main_~x~0 := 0.0; [L77] ceil_float_#in~x := main_~x~0; [L77] havoc ceil_float_#res; [L77] havoc ceil_float_#t~mem0, ceil_float_#t~union1, ceil_float_~#gf_u~0, ceil_float_#t~mem2, ceil_float_#t~union3, ceil_float_~#sf_u~0, ceil_float_~x, ceil_float_~i0~0, ceil_float_~j0~0, ceil_float_~i~0, ceil_float_~ix~0; [L13-L54] ceil_float_~x := ceil_float_#in~x; [L14] havoc ceil_float_~i0~0; [L14] havoc ceil_float_~j0~0; [L15] havoc ceil_float_~i~0; [L15] havoc ceil_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L17] FCALL call ceil_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(ceil_float_~x, { base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] FCALL call ceil_float_#t~mem0 := read~int({ base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] ceil_float_~i0~0 := (if ceil_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then ceil_float_#t~mem0 % 4294967296 % 4294967296 else ceil_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(ceil_float_#t~union1, { base: ceil_float_~#gf_u~0!base, offset: ceil_float_~#gf_u~0!offset }, 4); [L19] havoc ceil_float_#t~union1; [L19] havoc ceil_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(ceil_float_~#gf_u~0); [L17] havoc ceil_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L21] ceil_float_~ix~0 := ~bitwiseAnd(ceil_float_~i0~0, 2147483647); [L22] ceil_float_~j0~0 := (if (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (ceil_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L23] COND FALSE !(ceil_float_~j0~0 < 23) [L43] COND FALSE !(!(ceil_float_~ix~0 % 4294967296 < 2139095040)) [L46] ceil_float_#res := ceil_float_~x; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L77] main_#t~ret6 := ceil_float_#res; [L77] main_~res~0 := main_#t~ret6; [L77] havoc main_#t~ret6; [L80] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L80] COND TRUE !main_#t~short8 [L80] havoc main_#t~ret7; [L80] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=0.0, ceil_float_#res=0.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=0.0, main_~res~0=0.0, main_~x~0=0.0, ~huge_ceil~0=1.0E30] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; [L76] ~x~0 := 0.0; [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L23] COND FALSE !(~j0~0 < 23) [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L80] COND TRUE !#t~short8 [L80] havoc #t~ret7; [L80] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; [L76] ~x~0 := 0.0; [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L23] COND FALSE !(~j0~0 < 23) [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L77] ~res~0 := #t~ret6; [L77] havoc #t~ret6; [L80] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L80] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L80] COND TRUE !#t~short8 [L80] havoc #t~ret7; [L80] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L81] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L11] static const float huge_ceil = 1.0e30; [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] ----- [2018-11-23 08:17:58,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:17:58 ImpRootNode [2018-11-23 08:17:58,073 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:17:58,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:17:58,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:17:58,074 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:17:58,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:57" (3/4) ... [2018-11-23 08:17:58,077 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:17:58,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:17:58,078 INFO L168 Benchmark]: Toolchain (without parser) took 819.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,079 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:17:58,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.59 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,081 INFO L168 Benchmark]: Boogie Preprocessor took 19.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,081 INFO L168 Benchmark]: RCFGBuilder took 322.94 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,082 INFO L168 Benchmark]: CodeCheck took 234.13 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:17:58,082 INFO L168 Benchmark]: Witness Printer took 3.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:17:58,086 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, 30 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.59 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.94 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * CodeCheck took 234.13 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 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-aa41828 [2018-11-23 08:17:59,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:17:59,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:17:59,489 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:17:59,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:17:59,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:17:59,491 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:17:59,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:17:59,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:17:59,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:17:59,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:17:59,494 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:17:59,495 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:17:59,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:17:59,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:17:59,497 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:17:59,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:17:59,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:17:59,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:17:59,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:17:59,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:17:59,502 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:17:59,503 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:17:59,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:17:59,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:17:59,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:17:59,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:17:59,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:17:59,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:17:59,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:17:59,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:17:59,507 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:17:59,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:17:59,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:17:59,508 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:17:59,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:17:59,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 08:17:59,519 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:17:59,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:17:59,519 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:17:59,520 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:17:59,520 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:17:59,520 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:17:59,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:17:59,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:17:59,521 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:17:59,522 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:17:59,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:17:59,522 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:17:59,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:17:59,522 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:17:59,522 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:17:59,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:17:59,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:17:59,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:17:59,524 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:17:59,524 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:17:59,524 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_5756f969-ffd4-422b-bf18-8785133d9129/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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2018-11-23 08:17:59,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:17:59,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:17:59,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:17:59,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:17:59,565 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:17:59,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2018-11-23 08:17:59,604 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/4dff8d8ac/8fd8f25cd1da4b8e8677ced9e8eaf5c8/FLAGe6b6ba938 [2018-11-23 08:17:59,934 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:17:59,934 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/sv-benchmarks/c/float-newlib/float_req_bl_1092b_true-unreach-call.c [2018-11-23 08:17:59,938 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/4dff8d8ac/8fd8f25cd1da4b8e8677ced9e8eaf5c8/FLAGe6b6ba938 [2018-11-23 08:18:00,372 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/data/4dff8d8ac/8fd8f25cd1da4b8e8677ced9e8eaf5c8 [2018-11-23 08:18:00,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:18:00,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:18:00,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:18:00,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:18:00,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:18:00,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713512cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00, skipping insertion in model container [2018-11-23 08:18:00,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:18:00,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:18:00,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:18:00,526 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:18:00,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:18:00,562 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:18:00,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00 WrapperNode [2018-11-23 08:18:00,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:18:00,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:18:00,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:18:00,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:18:00,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:18:00,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:18:00,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:18:00,592 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:18:00,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... [2018-11-23 08:18:00,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:18:00,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:18:00,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:18:00,659 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:18:00,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:18:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:18:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:18:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 08:18:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 08:18:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:18:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:18:00,831 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:18:02,032 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:18:02,032 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 08:18:02,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02 BoogieIcfgContainer [2018-11-23 08:18:02,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:18:02,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:18:02,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:18:02,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:18:02,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02" (1/1) ... [2018-11-23 08:18:02,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:18:02,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 08:18:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 08:18:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 08:18:02,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,101 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 08:18:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 08:18:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:18:02,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,146 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-23 08:18:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-23 08:18:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 08:18:02,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,332 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-23 08:18:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-23 08:18:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 08:18:02,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,878 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-11-23 08:18:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 08:18:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:18:02,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,900 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-11-23 08:18:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 08:18:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:18:02,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:02,918 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:02,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-11-23 08:18:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-11-23 08:18:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 08:18:03,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:18:03,486 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 08:18:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:18:03,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:18:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:18:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:18:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-11-23 08:18:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 08:18:03,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:18:03,943 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 08:18:03,951 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:18:04,007 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 08:18:04,013 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:18:04,013 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 08:18:04,014 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 08:18:04,014 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 08:18:04,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:04 ImpRootNode [2018-11-23 08:18:04,015 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:18:04,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:18:04,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:18:04,015 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:18:04,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:02" (3/4) ... [2018-11-23 08:18:04,018 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:18:04,024 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-23 08:18:04,024 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:18:04,040 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() [2018-11-23 08:18:04,059 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5756f969-ffd4-422b-bf18-8785133d9129/bin-2019/ukojak/witness.graphml [2018-11-23 08:18:04,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:18:04,060 INFO L168 Benchmark]: Toolchain (without parser) took 3684.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 949.7 MB in the beginning and 917.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 187.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,061 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:18:04,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:18:04,062 INFO L168 Benchmark]: Boogie Preprocessor took 66.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,062 INFO L168 Benchmark]: RCFGBuilder took 1373.69 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: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,062 INFO L168 Benchmark]: CodeCheck took 1981.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.2 MB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,063 INFO L168 Benchmark]: Witness Printer took 44.71 ms. Allocated memory is still 1.2 GB. Free memory was 924.2 MB in the beginning and 917.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:18:04,064 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, 30 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1212 SDtfs, 446 SDslu, 332 SDs, 0 SdLazy, 1992 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 649 GetRequests, 603 SyntacticMatches, 12 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 1 QuantifiedInterpolants, 3959 SizeOfPredicates, 36 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 81]: 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: 13]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1373.69 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: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1981.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.2 MB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.71 ms. Allocated memory is still 1.2 GB. Free memory was 924.2 MB in the beginning and 917.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...