./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 183c064a530646119ada233c15fa830a0c2bc1a1 .............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 183c064a530646119ada233c15fa830a0c2bc1a1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:56:46,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:56:46,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:56:46,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:56:46,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:56:46,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:56:46,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:56:46,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:56:46,949 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:56:46,950 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:56:46,951 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:56:46,951 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:56:46,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:56:46,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:56:46,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:56:46,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:56:46,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:56:46,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:56:46,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:56:46,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:56:46,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:56:46,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:56:46,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:56:46,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:56:46,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:56:46,981 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:56:46,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:56:46,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:56:46,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:56:46,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:56:46,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:56:46,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:56:46,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:56:46,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:56:46,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:56:46,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:56:46,989 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:56:47,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:56:47,005 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:56:47,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:56:47,007 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:56:47,007 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:56:47,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:56:47,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:56:47,009 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:56:47,009 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:56:47,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:56:47,009 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:56:47,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:56:47,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:56:47,011 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:56:47,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:56:47,012 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:56:47,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:56:47,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:56:47,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:56:47,013 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:56:47,013 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:56:47,013 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:56:47,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:56:47,013 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-31 03:56:47,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:56:47,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:56:47,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:56:47,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:56:47,073 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:56:47,074 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-31 03:56:47,147 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a299ca/f52da5f4a1ed453fb91178adf79e431f/FLAG068d7622e [2018-12-31 03:56:47,708 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:56:47,709 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-31 03:56:47,717 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a299ca/f52da5f4a1ed453fb91178adf79e431f/FLAG068d7622e [2018-12-31 03:56:48,018 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9a299ca/f52da5f4a1ed453fb91178adf79e431f [2018-12-31 03:56:48,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:56:48,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:56:48,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:56:48,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:56:48,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:56:48,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db23026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48, skipping insertion in model container [2018-12-31 03:56:48,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:56:48,082 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:56:48,425 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:56:48,431 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:56:48,486 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:56:48,529 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:56:48,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48 WrapperNode [2018-12-31 03:56:48,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:56:48,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:56:48,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:56:48,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:56:48,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:56:48,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:56:48,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:56:48,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:56:48,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... [2018-12-31 03:56:48,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:56:48,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:56:48,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:56:48,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:56:48,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-31 03:56:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:56:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:56:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:56:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:56:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:56:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:56:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:56:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:56:49,348 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:56:49,352 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-31 03:56:49,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:56:49 BoogieIcfgContainer [2018-12-31 03:56:49,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:56:49,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:56:49,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:56:49,358 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:56:49,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:56:48" (1/3) ... [2018-12-31 03:56:49,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365ad0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:56:49, skipping insertion in model container [2018-12-31 03:56:49,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:48" (2/3) ... [2018-12-31 03:56:49,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365ad0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:56:49, skipping insertion in model container [2018-12-31 03:56:49,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:56:49" (3/3) ... [2018-12-31 03:56:49,366 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-31 03:56:49,377 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:56:49,387 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:56:49,405 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:56:49,434 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:56:49,435 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:56:49,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:56:49,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:56:49,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:56:49,435 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:56:49,435 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:56:49,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:56:49,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:56:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-12-31 03:56:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:56:49,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:56:49,458 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:56:49,460 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:56:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:56:49,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2018-12-31 03:56:49,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:56:49,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:56:49,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:56:49,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:56:49,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:56:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:56:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:56:49,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:56:49,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:56:49,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:56:49,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:56:49,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:56:49,634 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2018-12-31 03:56:49,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:56:49,654 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2018-12-31 03:56:49,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:56:49,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:56:49,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:56:49,668 INFO L225 Difference]: With dead ends: 56 [2018-12-31 03:56:49,668 INFO L226 Difference]: Without dead ends: 26 [2018-12-31 03:56:49,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:56:49,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-31 03:56:49,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-31 03:56:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-31 03:56:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2018-12-31 03:56:49,705 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2018-12-31 03:56:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:56:49,705 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2018-12-31 03:56:49,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:56:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-31 03:56:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:56:49,706 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:56:49,706 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:56:49,707 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:56:49,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:56:49,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2018-12-31 03:56:49,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:56:49,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:56:49,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:56:49,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:56:49,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:56:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:56:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:56:49,829 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:56:49,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:56:49 BoogieIcfgContainer [2018-12-31 03:56:49,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:56:49,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:56:49,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:56:49,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:56:49,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:56:49" (3/4) ... [2018-12-31 03:56:49,881 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:56:49,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:56:49,882 INFO L168 Benchmark]: Toolchain (without parser) took 1857.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:56:49,884 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:56:49,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 927.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:56:49,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:56:49,888 INFO L168 Benchmark]: Boogie Preprocessor took 44.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:56:49,888 INFO L168 Benchmark]: RCFGBuilder took 617.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:56:49,889 INFO L168 Benchmark]: TraceAbstraction took 515.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-12-31 03:56:49,890 INFO L168 Benchmark]: Witness Printer took 11.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:56:49,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.62 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 927.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 617.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 515.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Witness Printer took 11.49 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] double res = __ieee754_log(x); [L127] return x != x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:56:52,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:56:52,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:56:52,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:56:52,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:56:52,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:56:52,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:56:52,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:56:52,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:56:52,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:56:52,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:56:52,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:56:52,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:56:52,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:56:52,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:56:52,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:56:52,377 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:56:52,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:56:52,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:56:52,383 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:56:52,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:56:52,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:56:52,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:56:52,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:56:52,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:56:52,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:56:52,392 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:56:52,393 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:56:52,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:56:52,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:56:52,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:56:52,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:56:52,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:56:52,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:56:52,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:56:52,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:56:52,399 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:56:52,415 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:56:52,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:56:52,416 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:56:52,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:56:52,417 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:56:52,417 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:56:52,418 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:56:52,419 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:56:52,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:56:52,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:56:52,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:56:52,422 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:56:52,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:56:52,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:56:52,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:56:52,423 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:56:52,424 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:56:52,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:56:52,424 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:56:52,424 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:56:52,424 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2018-12-31 03:56:52,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:56:52,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:56:52,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:56:52,489 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:56:52,489 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:56:52,490 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-31 03:56:52,563 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c784554a1/fe63ff52b07f4e0c98803751516b540c/FLAG1b3a0a000 [2018-12-31 03:56:53,073 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:56:53,073 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2018-12-31 03:56:53,082 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c784554a1/fe63ff52b07f4e0c98803751516b540c/FLAG1b3a0a000 [2018-12-31 03:56:53,383 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c784554a1/fe63ff52b07f4e0c98803751516b540c [2018-12-31 03:56:53,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:56:53,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:56:53,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:56:53,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:56:53,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:56:53,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:53,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157d58d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53, skipping insertion in model container [2018-12-31 03:56:53,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:53,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:56:53,442 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:56:53,777 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:56:53,784 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:56:53,835 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:56:53,875 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:56:53,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53 WrapperNode [2018-12-31 03:56:53,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:56:53,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:56:53,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:56:53,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:56:53,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:53,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:56:54,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:56:54,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:56:54,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:56:54,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... [2018-12-31 03:56:54,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:56:54,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:56:54,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:56:54,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:56:54,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-31 03:56:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:56:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:56:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:56:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:56:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:56:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:56:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:56:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:56:54,427 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:16,000 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:18,350 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:18,477 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:57:18,477 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-31 03:57:18,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:18 BoogieIcfgContainer [2018-12-31 03:57:18,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:57:18,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:57:18,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:57:18,482 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:57:18,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:56:53" (1/3) ... [2018-12-31 03:57:18,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b76a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:18, skipping insertion in model container [2018-12-31 03:57:18,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:56:53" (2/3) ... [2018-12-31 03:57:18,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b76a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:18, skipping insertion in model container [2018-12-31 03:57:18,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:18" (3/3) ... [2018-12-31 03:57:18,486 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2018-12-31 03:57:18,497 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:57:18,509 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:57:18,528 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:57:18,558 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:57:18,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:57:18,559 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:57:18,559 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:57:18,560 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:57:18,560 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:57:18,560 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:57:18,560 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:57:18,560 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:57:18,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-12-31 03:57:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:57:18,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:18,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:18,584 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2018-12-31 03:57:18,594 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:18,595 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:18,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:19,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:19,523 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:19,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:19,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:57:19,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:57:19,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:57:19,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:19,565 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2018-12-31 03:57:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:19,584 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2018-12-31 03:57:19,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:57:19,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:57:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:19,597 INFO L225 Difference]: With dead ends: 56 [2018-12-31 03:57:19,597 INFO L226 Difference]: Without dead ends: 26 [2018-12-31 03:57:19,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-31 03:57:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-31 03:57:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-31 03:57:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2018-12-31 03:57:19,636 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2018-12-31 03:57:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:19,637 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2018-12-31 03:57:19,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:57:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-31 03:57:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:57:19,638 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:19,638 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:19,638 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2018-12-31 03:57:19,639 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:19,640 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:19,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:20,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:20,770 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:20,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:20,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 03:57:20,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:57:20,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:57:20,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:57:20,800 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 4 states. [2018-12-31 03:57:28,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:28,808 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-12-31 03:57:29,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:57:29,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-31 03:57:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:29,597 INFO L225 Difference]: With dead ends: 36 [2018-12-31 03:57:29,597 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 03:57:29,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:57:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 03:57:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2018-12-31 03:57:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-31 03:57:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2018-12-31 03:57:29,606 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 35 transitions. Word has length 11 [2018-12-31 03:57:29,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:29,607 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 35 transitions. [2018-12-31 03:57:29,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:57:29,607 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2018-12-31 03:57:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:57:29,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:29,608 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:29,608 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:29,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:29,609 INFO L82 PathProgramCache]: Analyzing trace with hash -594923761, now seen corresponding path program 1 times [2018-12-31 03:57:29,609 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:29,610 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:29,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:29,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:29,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:29,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:29,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:57:29,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:57:29,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:57:29,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 03:57:29,880 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. Second operand 6 states. [2018-12-31 03:57:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:48,890 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2018-12-31 03:57:48,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:57:48,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-12-31 03:57:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:48,893 INFO L225 Difference]: With dead ends: 31 [2018-12-31 03:57:48,893 INFO L226 Difference]: Without dead ends: 26 [2018-12-31 03:57:48,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:57:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-31 03:57:48,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-31 03:57:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-31 03:57:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2018-12-31 03:57:48,902 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11 [2018-12-31 03:57:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:48,902 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2018-12-31 03:57:48,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:57:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-31 03:57:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 03:57:48,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:48,905 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:48,905 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:48,906 INFO L82 PathProgramCache]: Analyzing trace with hash 464451163, now seen corresponding path program 1 times [2018-12-31 03:57:48,906 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:48,906 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:48,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:49,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:49,156 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:49,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:49,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:57:49,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:57:49,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:57:49,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:57:49,171 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 5 states. [2018-12-31 03:57:53,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:53,931 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2018-12-31 03:57:54,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:57:54,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-31 03:57:54,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:54,731 INFO L225 Difference]: With dead ends: 42 [2018-12-31 03:57:54,731 INFO L226 Difference]: Without dead ends: 26 [2018-12-31 03:57:54,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:57:54,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-12-31 03:57:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-12-31 03:57:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-12-31 03:57:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2018-12-31 03:57:54,738 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2018-12-31 03:57:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:54,739 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2018-12-31 03:57:54,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:57:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-31 03:57:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-31 03:57:54,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:54,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:54,741 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:54,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2124593878, now seen corresponding path program 1 times [2018-12-31 03:57:54,743 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:57:54,743 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-31 03:57:54,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:55,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:57:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:57:55,223 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:57:55,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:55,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:57:55,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:57:55,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:57:55,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:57:55,242 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 5 states. [2018-12-31 03:57:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:55,399 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2018-12-31 03:57:55,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:57:55,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-31 03:57:55,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:55,401 INFO L225 Difference]: With dead ends: 26 [2018-12-31 03:57:55,401 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:57:55,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:57:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:57:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:57:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:57:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:57:55,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-12-31 03:57:55,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:55,404 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:57:55,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:57:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:57:55,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:57:55,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:57:55,738 INFO L444 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0))) [2018-12-31 03:57:55,739 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-31 03:57:55,739 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 142) no Hoare annotation was computed. [2018-12-31 03:57:55,739 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-31 03:57:55,739 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:57:55,739 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2018-12-31 03:57:55,740 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0))) [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-31 03:57:55,740 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-31 03:57:55,741 INFO L451 ceAbstractionStarter]: At program point L144(lines 129 145) the Hoare annotation is: true [2018-12-31 03:57:55,741 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-31 03:57:55,741 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-12-31 03:57:55,741 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:57:55,741 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-31 03:57:55,741 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-31 03:57:55,742 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-31 03:57:55,742 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (= ULTIMATE.start___ieee754_log_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-31 03:57:55,742 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-31 03:57:55,742 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-31 03:57:55,742 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-31 03:57:55,742 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-31 03:57:55,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-12-31 03:57:55,743 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-31 03:57:55,743 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2018-12-31 03:57:55,743 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-31 03:57:55,752 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,753 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,753 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,753 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,758 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,758 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,759 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,759 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,761 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,761 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,761 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,761 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,762 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,762 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,762 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,763 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,763 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,764 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:57:55 BoogieIcfgContainer [2018-12-31 03:57:55,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:57:55,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:57:55,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:57:55,767 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:57:55,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:18" (3/4) ... [2018-12-31 03:57:55,772 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:57:55,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-31 03:57:55,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-31 03:57:55,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-12-31 03:57:55,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(\result, 4294967295bv32) == 0bv32 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-12-31 03:57:55,879 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:57:55,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:57:55,880 INFO L168 Benchmark]: Toolchain (without parser) took 62493.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 954.0 MB in the beginning and 953.3 MB in the end (delta: 736.4 kB). Peak memory consumption was 130.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,882 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:57:55,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.83 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 936.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,884 INFO L168 Benchmark]: Boogie Preprocessor took 63.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,884 INFO L168 Benchmark]: RCFGBuilder took 24401.14 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,885 INFO L168 Benchmark]: TraceAbstraction took 37287.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,885 INFO L168 Benchmark]: Witness Printer took 112.72 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 953.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:55,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.83 ms. Allocated memory is still 1.0 GB. Free memory was 954.0 MB in the beginning and 936.6 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 135.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 24401.14 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37287.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.0 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Witness Printer took 112.72 ms. Allocated memory is still 1.2 GB. Free memory was 960.0 MB in the beginning and 953.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 127]: Loop Invariant [2018-12-31 03:57:55,896 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,896 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,896 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,896 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,897 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,897 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,897 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,897 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~bvadd64(\result, 4294967295bv32) == 0bv32 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2018-12-31 03:57:55,898 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,898 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,898 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,899 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant [2018-12-31 03:57:55,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:57:55,900 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. SAFE Result, 37.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 33.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 120 SDtfs, 52 SDslu, 195 SDs, 0 SdLazy, 79 SolverSat, 12 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 29.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 52 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 13 QuantifiedInterpolants, 5315 SizeOfPredicates, 20 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...