./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_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_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c ..................................................................................................................................................................................................................................................................................................................... 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 12:25:14,212 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:25:14,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:25:14,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:25:14,219 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:25:14,220 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:25:14,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:25:14,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:25:14,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:25:14,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:25:14,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:25:14,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:25:14,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:25:14,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:25:14,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:25:14,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:25:14,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:25:14,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:25:14,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:25:14,230 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:25:14,231 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:25:14,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:25:14,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:25:14,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:25:14,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:25:14,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:25:14,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:25:14,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:25:14,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:25:14,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:25:14,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:25:14,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:25:14,236 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:25:14,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:25:14,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:25:14,238 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:25:14,238 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:25:14,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:25:14,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:25:14,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:25:14,246 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:25:14,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:25:14,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:25:14,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:25:14,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:25:14,247 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:25:14,248 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:25:14,248 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:25:14,248 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:25:14,248 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:25:14,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:25:14,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:25:14,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:25:14,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:25:14,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:25:14,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:25:14,249 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:25:14,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:25:14,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:25:14,249 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_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 12:25:14,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:25:14,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:25:14,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:25:14,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:25:14,285 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:25:14,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 12:25:14,328 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/5920893e3/67e4ea1815e84f268b749b3ee32263a6/FLAGad8198636 [2018-11-23 12:25:14,621 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:25:14,622 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 12:25:14,627 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/5920893e3/67e4ea1815e84f268b749b3ee32263a6/FLAGad8198636 [2018-11-23 12:25:14,637 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/5920893e3/67e4ea1815e84f268b749b3ee32263a6 [2018-11-23 12:25:14,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:25:14,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:25:14,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:25:14,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:25:14,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:25:14,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14, skipping insertion in model container [2018-11-23 12:25:14,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:25:14,667 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:25:14,776 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:25:14,778 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:25:14,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:25:14,804 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:25:14,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14 WrapperNode [2018-11-23 12:25:14,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:25:14,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:25:14,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:25:14,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:25:14,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:25:14,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:25:14,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:25:14,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:25:14,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... [2018-11-23 12:25:14,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:25:14,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:25:14,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:25:14,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:25:14,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 12:25:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 12:25:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:25:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 12:25:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:25:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:25:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:25:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:25:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:25:15,266 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:25:15,266 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 12:25:15,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:15 BoogieIcfgContainer [2018-11-23 12:25:15,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:25:15,267 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:25:15,267 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:25:15,277 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:25:15,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:15" (1/1) ... [2018-11-23 12:25:15,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:25:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 12:25:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 12:25:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:25:15,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:15,385 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 12:25:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 12:25:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 12:25:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 12:25:15,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:25:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:25:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:25:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:25:15,479 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~ret4, main_#t~ret5, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 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=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, ~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=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] goto; VAL [ULTIMATE.start_ceil_float_~i0~0=0, ULTIMATE.start_ceil_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, ~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=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, ~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=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, |ULTIMATE.start_ceil_float_#res|=3.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] main_#t~ret4 := ceil_float_#res;main_~res~0 := main_#t~ret4;havoc main_#t~ret4;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0);main_#t~ret5 := isnan_float_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; 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=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, |ULTIMATE.start_ceil_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret5|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume 0 == main_#t~ret5;havoc main_#t~ret5; 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=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, |ULTIMATE.start_ceil_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=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=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_ceil_float_#in~x|=3.0, |ULTIMATE.start_ceil_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=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~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L68] ceil_float_#in~x := main_~x~0; [L68] havoc ceil_float_#res; [L68] 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=3.0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L68] main_#t~ret4 := ceil_float_#res; [L68] main_~res~0 := main_#t~ret4; [L68] havoc main_#t~ret4; [L71] isnan_float_#in~x := main_~res~0; [L71] havoc isnan_float_#res; [L71] havoc isnan_float_~x; [L57] isnan_float_~x := isnan_float_#in~x; [L57] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L71] main_#t~ret5 := isnan_float_#res; [L71] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L71-L74] assume 0 == main_#t~ret5; [L71] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~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~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L68] ceil_float_#in~x := main_~x~0; [L68] havoc ceil_float_#res; [L68] 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=3.0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L68] main_#t~ret4 := ceil_float_#res; [L68] main_~res~0 := main_#t~ret4; [L68] havoc main_#t~ret4; [L71] isnan_float_#in~x := main_~res~0; [L71] havoc isnan_float_#res; [L71] havoc isnan_float_~x; [L57] isnan_float_~x := isnan_float_#in~x; [L57] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L71] main_#t~ret5 := isnan_float_#res; [L71] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L71-L74] assume 0 == main_#t~ret5; [L71] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~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~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L68] ceil_float_#in~x := main_~x~0; [L68] havoc ceil_float_#res; [L68] 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=3.0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L68] main_#t~ret4 := ceil_float_#res; [L68] main_~res~0 := main_#t~ret4; [L68] havoc main_#t~ret4; [L71] isnan_float_#in~x := main_~res~0; [L71] havoc isnan_float_#res; [L71] havoc isnan_float_~x; [L57] isnan_float_~x := isnan_float_#in~x; [L57] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L71] main_#t~ret5 := isnan_float_#res; [L71] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L71] COND TRUE 0 == main_#t~ret5 [L71] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~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~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L68] ceil_float_#in~x := main_~x~0; [L68] havoc ceil_float_#res; [L68] 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=3.0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~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=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L68] main_#t~ret4 := ceil_float_#res; [L68] main_~res~0 := main_#t~ret4; [L68] havoc main_#t~ret4; [L71] isnan_float_#in~x := main_~res~0; [L71] havoc isnan_float_#res; [L71] havoc isnan_float_~x; [L57] isnan_float_~x := isnan_float_#in~x; [L57] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L71] main_#t~ret5 := isnan_float_#res; [L71] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L71] COND TRUE 0 == main_#t~ret5 [L71] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ceil_float_#in~x=3.0, ceil_float_#res=3.0, ceil_float_~i0~0=0, ceil_float_~ix~0=-36028795760672768, ceil_float_~j0~0=23, ceil_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_ceil~0=1.0E30] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 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] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L72] 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; [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 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] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L11] static const float huge_ceil = 1.0e30; [L66] float x = 0.0f / 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] [L68] float res = ceil_float(x); [L57] return x != x; [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] ----- [2018-11-23 12:25:15,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:25:15 ImpRootNode [2018-11-23 12:25:15,514 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:25:15,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:25:15,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:25:15,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:25:15,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:15" (3/4) ... [2018-11-23 12:25:15,518 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:25:15,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:25:15,519 INFO L168 Benchmark]: Toolchain (without parser) took 878.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -113.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:15,520 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:25:15,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.16 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:15,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.72 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:25:15,521 INFO L168 Benchmark]: Boogie Preprocessor took 57.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:15,522 INFO L168 Benchmark]: RCFGBuilder took 371.83 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:15,522 INFO L168 Benchmark]: CodeCheck took 247.54 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:15,523 INFO L168 Benchmark]: Witness Printer took 3.76 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 12:25:15,525 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, 26 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, 46 GetRequests, 46 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, 15 NumberOfCodeBlocks, 15 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: 72]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; [L66] float x = 0.0f / 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] [L68] float res = ceil_float(x); [L57] return x != x; [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.16 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 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 32.72 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 371.83 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 247.54 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 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 12:25:16,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:25:16,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:25:16,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:25:16,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:25:16,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:25:16,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:25:16,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:25:16,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:25:16,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:25:16,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:25:16,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:25:16,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:25:16,907 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:25:16,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:25:16,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:25:16,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:25:16,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:25:16,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:25:16,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:25:16,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:25:16,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:25:16,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:25:16,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:25:16,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:25:16,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:25:16,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:25:16,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:25:16,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:25:16,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:25:16,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:25:16,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:25:16,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:25:16,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:25:16,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:25:16,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:25:16,921 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 12:25:16,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:25:16,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:25:16,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:25:16,932 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:25:16,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:25:16,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:25:16,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:25:16,933 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:25:16,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:25:16,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:25:16,935 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:25:16,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:25:16,935 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:25:16,935 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:25:16,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:25:16,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:25:16,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:25:16,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:25:16,936 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:25:16,937 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_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 12:25:16,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:25:16,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:25:16,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:25:16,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:25:16,980 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:25:16,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 12:25:17,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/13a303d53/1f80ca6ddcd44d3fb6a873f6821085db/FLAG7288aa052 [2018-11-23 12:25:17,317 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:25:17,318 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 12:25:17,322 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/13a303d53/1f80ca6ddcd44d3fb6a873f6821085db/FLAG7288aa052 [2018-11-23 12:25:17,331 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/data/13a303d53/1f80ca6ddcd44d3fb6a873f6821085db [2018-11-23 12:25:17,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:25:17,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:25:17,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:25:17,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:25:17,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:25:17,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c785416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17, skipping insertion in model container [2018-11-23 12:25:17,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:25:17,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:25:17,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:25:17,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:25:17,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:25:17,538 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:25:17,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17 WrapperNode [2018-11-23 12:25:17,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:25:17,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:25:17,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:25:17,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:25:17,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:25:17,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:25:17,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:25:17,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:25:17,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... [2018-11-23 12:25:17,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:25:17,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:25:17,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:25:17,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:25:17,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/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 12:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 12:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:25:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 12:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 12:25:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 12:25:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:25:19,335 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:25:19,335 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 12:25:19,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:19 BoogieIcfgContainer [2018-11-23 12:25:19,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:25:19,336 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:25:19,336 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:25:19,342 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:25:19,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:19" (1/1) ... [2018-11-23 12:25:19,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:25:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 12:25:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 12:25:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:25:19,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:19,407 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:25:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:19,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:25:19,438 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 12:25:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 12:25:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 12:25:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 12:25:19,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:19,447 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:25:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:19,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:25:19,528 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 12:25:19,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 12:25:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 12:25:19,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:25:19,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:19,644 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:25:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:19,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:25:19,677 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 12:25:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-23 12:25:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-23 12:25:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 12:25:19,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:19,764 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:25:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:19,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:25:19,782 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 12:25:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-23 12:25:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-23 12:25:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 12:25:19,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:25:19,785 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:25:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:25:19,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:25:19,879 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 12:25:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:25:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-23 12:25:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-23 12:25:20,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:25:20,251 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 12:25:20,257 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:25:20,283 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-23 12:25:20,288 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,289 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,289 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,292 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,292 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,293 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,293 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:25:20,294 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 12:25:20,294 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,294 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:25:20 ImpRootNode [2018-11-23 12:25:20,295 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:25:20,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:25:20,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:25:20,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:25:20,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:19" (3/4) ... [2018-11-23 12:25:20,299 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:25:20,308 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-23 12:25:20,308 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:25:20,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2018-11-23 12:25:20,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6cc6446-f67e-4fcd-b34f-a09e7da424c4/bin-2019/ukojak/witness.graphml [2018-11-23 12:25:20,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:25:20,345 INFO L168 Benchmark]: Toolchain (without parser) took 3011.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -54.1 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:20,346 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 12:25:20,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:20,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:25:20,347 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:25:20,347 INFO L168 Benchmark]: RCFGBuilder took 1749.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:20,348 INFO L168 Benchmark]: CodeCheck took 959.24 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: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:20,348 INFO L168 Benchmark]: Witness Printer took 49.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:25:20,350 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, 26 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 312 SDtfs, 134 SDslu, 104 SDs, 0 SdLazy, 394 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 348 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 2 QuantifiedInterpolants, 1786 SizeOfPredicates, 23 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 72]: 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 [2018-11-23 12:25:20,351 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,351 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,351 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,352 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,352 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,352 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant [2018-11-23 12:25:20,352 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:25:20,353 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.05 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 935.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1749.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * CodeCheck took 959.24 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: 83.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. * Witness Printer took 49.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...