./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0971_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_0971_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 1aaf670562012dae9985b4d351583e88df305330 ................................................................................................................................................................................................................................................................................................... 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_0971_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 1aaf670562012dae9985b4d351583e88df305330 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:57:22,149 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:57:22,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:57:22,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:57:22,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:57:22,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:57:22,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:57:22,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:57:22,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:57:22,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:57:22,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:57:22,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:57:22,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:57:22,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:57:22,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:57:22,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:57:22,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:57:22,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:57:22,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:57:22,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:57:22,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:57:22,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:57:22,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:57:22,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:57:22,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:57:22,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:57:22,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:57:22,194 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:57:22,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:57:22,196 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:57:22,196 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:57:22,197 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:57:22,197 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:57:22,198 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:57:22,199 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:57:22,200 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:57:22,200 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:57:22,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:57:22,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:57:22,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:57:22,229 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:57:22,230 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:57:22,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:57:22,230 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:57:22,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:57:22,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:57:22,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:57:22,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:57:22,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:57:22,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:57:22,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:57:22,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:57:22,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:57:22,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:57:22,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:57:22,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:57:22,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:57:22,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:57:22,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:22,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:57:22,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:57:22,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:57:22,237 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:57:22,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:57:22,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:57:22,239 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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-12-31 03:57:22,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:57:22,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:57:22,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:57:22,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:57:22,318 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:57:22,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-31 03:57:22,385 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397969dd7/104cefb0d3f14d9f94dd6935bbe41c92/FLAG761a8c841 [2018-12-31 03:57:22,886 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:57:22,886 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-31 03:57:22,895 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397969dd7/104cefb0d3f14d9f94dd6935bbe41c92/FLAG761a8c841 [2018-12-31 03:57:23,237 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397969dd7/104cefb0d3f14d9f94dd6935bbe41c92 [2018-12-31 03:57:23,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:57:23,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:57:23,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:23,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:57:23,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:57:23,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb36889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23, skipping insertion in model container [2018-12-31 03:57:23,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:57:23,304 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:57:23,585 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:23,590 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:57:23,660 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:23,706 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:57:23,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23 WrapperNode [2018-12-31 03:57:23,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:23,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:23,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:57:23,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:57:23,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:23,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:57:23,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:57:23,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:57:23,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (1/1) ... [2018-12-31 03:57:23,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:57:23,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:57:23,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:57:23,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:57:23,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (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 03:57:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:57:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:57:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:57:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:57:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:57:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:57:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:57:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:57:24,756 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:57:24,756 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 03:57:24,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:24 BoogieIcfgContainer [2018-12-31 03:57:24,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:57:24,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:57:24,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:57:24,761 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:57:24,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:57:23" (1/3) ... [2018-12-31 03:57:24,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d13705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:24, skipping insertion in model container [2018-12-31 03:57:24,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:23" (2/3) ... [2018-12-31 03:57:24,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d13705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:57:24, skipping insertion in model container [2018-12-31 03:57:24,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:24" (3/3) ... [2018-12-31 03:57:24,765 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-12-31 03:57:24,775 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:57:24,783 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:57:24,801 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:57:24,832 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:57:24,832 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:57:24,833 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:57:24,833 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:57:24,833 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:57:24,833 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:57:24,833 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:57:24,833 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:57:24,834 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:57:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-31 03:57:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:57:24,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:24,858 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:24,860 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:24,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2018-12-31 03:57:24,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:57:24,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:57:24,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:24,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:24,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:57:25,027 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 03:57:25,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:57:25,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:57:25,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:57:25,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:57:25,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:57:25,049 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-31 03:57:25,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:57:25,072 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2018-12-31 03:57:25,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:57:25,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:57:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:57:25,094 INFO L225 Difference]: With dead ends: 82 [2018-12-31 03:57:25,095 INFO L226 Difference]: Without dead ends: 39 [2018-12-31 03:57:25,098 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 03:57:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-31 03:57:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-31 03:57:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 03:57:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2018-12-31 03:57:25,142 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2018-12-31 03:57:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:57:25,143 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2018-12-31 03:57:25,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:57:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-12-31 03:57:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:57:25,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:57:25,144 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:57:25,144 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:57:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:57:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2018-12-31 03:57:25,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:57:25,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:57:25,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:25,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:57:25,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:57:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:57:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:57:25,279 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:57:25,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:57:25 BoogieIcfgContainer [2018-12-31 03:57:25,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:57:25,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:57:25,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:57:25,336 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:57:25,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:57:24" (3/4) ... [2018-12-31 03:57:25,342 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:57:25,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:57:25,343 INFO L168 Benchmark]: Toolchain (without parser) took 2101.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -102.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,345 INFO L168 Benchmark]: CDTParser took 0.18 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 03:57:25,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.84 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,348 INFO L168 Benchmark]: Boogie Preprocessor took 84.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,349 INFO L168 Benchmark]: RCFGBuilder took 790.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,350 INFO L168 Benchmark]: TraceAbstraction took 577.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:57:25,351 INFO L168 Benchmark]: Witness Printer took 5.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:57:25,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 462.84 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 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 172.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 790.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] 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; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = 0.0 / 0.0; [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L161] return x != x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, 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, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=42occurred 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, 0.1s 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 03:57:27,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:57:27,778 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:57:27,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:57:27,791 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:57:27,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:57:27,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:57:27,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:57:27,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:57:27,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:57:27,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:57:27,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:57:27,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:57:27,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:57:27,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:57:27,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:57:27,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:57:27,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:57:27,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:57:27,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:57:27,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:57:27,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:57:27,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:57:27,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:57:27,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:57:27,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:57:27,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:57:27,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:57:27,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:57:27,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:57:27,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:57:27,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:57:27,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:57:27,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:57:27,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:57:27,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:57:27,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:57:27,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:57:27,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:57:27,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:57:27,851 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:57:27,852 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:57:27,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:57:27,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:57:27,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:57:27,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:57:27,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:57:27,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:57:27,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:57:27,854 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:57:27,855 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:57:27,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:57:27,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:57:27,856 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:57:27,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:57:27,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:57:27,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:57:27,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:57:27,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:57:27,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:57:27,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:57:27,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:57:27,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:57:27,859 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:57:27,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:57:27,860 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:57:27,860 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:57:27,860 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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-12-31 03:57:27,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:57:27,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:57:27,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:57:27,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:57:27,924 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:57:27,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-31 03:57:28,007 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e22dd76a/d7074751dac74dc28f7f8e29d1265180/FLAG369a7e512 [2018-12-31 03:57:28,461 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:57:28,462 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-12-31 03:57:28,471 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e22dd76a/d7074751dac74dc28f7f8e29d1265180/FLAG369a7e512 [2018-12-31 03:57:28,816 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e22dd76a/d7074751dac74dc28f7f8e29d1265180 [2018-12-31 03:57:28,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:57:28,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:57:28,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:28,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:57:28,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:57:28,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:28" (1/1) ... [2018-12-31 03:57:28,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5080a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:28, skipping insertion in model container [2018-12-31 03:57:28,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:57:28" (1/1) ... [2018-12-31 03:57:28,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:57:28,876 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:57:29,174 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:29,182 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:57:29,238 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:57:29,281 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:57:29,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29 WrapperNode [2018-12-31 03:57:29,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:57:29,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:29,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:57:29,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:57:29,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:57:29,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:57:29,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:57:29,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:57:29,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (1/1) ... [2018-12-31 03:57:29,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:57:29,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:57:29,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:57:29,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:57:29,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (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 03:57:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:57:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:57:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:57:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:57:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:57:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:57:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:57:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:57:34,172 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:55,495 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:55,803 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:57:55,863 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:01,101 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:01,202 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:01,388 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:01,388 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 03:58:01,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:01 BoogieIcfgContainer [2018-12-31 03:58:01,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:01,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:01,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:01,394 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:01,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:57:28" (1/3) ... [2018-12-31 03:58:01,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cc5809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:01, skipping insertion in model container [2018-12-31 03:58:01,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:57:29" (2/3) ... [2018-12-31 03:58:01,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cc5809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:01, skipping insertion in model container [2018-12-31 03:58:01,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:01" (3/3) ... [2018-12-31 03:58:01,400 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-12-31 03:58:01,411 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:01,423 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:01,443 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:01,476 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:01,477 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:01,477 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:01,477 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:01,477 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:01,478 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:01,478 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:01,478 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:01,478 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:01,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-31 03:58:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:58:01,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:01,505 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:01,508 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:01,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2018-12-31 03:58:01,520 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:01,521 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 03:58:01,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:02,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:02,522 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 03:58:02,523 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:02,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:02,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:02,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:02,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:02,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:02,565 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-31 03:58:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:02,586 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2018-12-31 03:58:02,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:02,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:58:02,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:02,600 INFO L225 Difference]: With dead ends: 82 [2018-12-31 03:58:02,600 INFO L226 Difference]: Without dead ends: 39 [2018-12-31 03:58:02,604 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 03:58:02,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-31 03:58:02,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-31 03:58:02,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 03:58:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2018-12-31 03:58:02,644 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2018-12-31 03:58:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:02,645 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2018-12-31 03:58:02,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-12-31 03:58:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:02,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:02,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:02,647 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2018-12-31 03:58:02,649 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:02,649 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 03:58:02,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:03,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:03,732 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 03:58:03,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:03,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:03,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 03:58:03,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:58:03,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:58:03,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:58:03,769 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 4 states. [2018-12-31 03:58:06,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:06,437 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2018-12-31 03:58:06,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:58:06,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-31 03:58:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:06,440 INFO L225 Difference]: With dead ends: 49 [2018-12-31 03:58:06,440 INFO L226 Difference]: Without dead ends: 44 [2018-12-31 03:58:06,441 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 03:58:06,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-31 03:58:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-12-31 03:58:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 03:58:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2018-12-31 03:58:06,450 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 11 [2018-12-31 03:58:06,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:06,450 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2018-12-31 03:58:06,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:58:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2018-12-31 03:58:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:06,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:06,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:06,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:06,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:06,453 INFO L82 PathProgramCache]: Analyzing trace with hash -593045937, now seen corresponding path program 1 times [2018-12-31 03:58:06,454 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:06,454 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 03:58:06,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:06,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:06,791 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 5 [2018-12-31 03:58:06,807 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 03:58:06,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:06,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:06,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:58:06,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:58:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:58:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 03:58:06,820 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 6 states. [2018-12-31 03:58:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:14,191 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2018-12-31 03:58:14,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:58:14,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-12-31 03:58:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:14,194 INFO L225 Difference]: With dead ends: 44 [2018-12-31 03:58:14,194 INFO L226 Difference]: Without dead ends: 39 [2018-12-31 03:58:14,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:58:14,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-31 03:58:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-31 03:58:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 03:58:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2018-12-31 03:58:14,202 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 11 [2018-12-31 03:58:14,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:14,202 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2018-12-31 03:58:14,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:58:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2018-12-31 03:58:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 03:58:14,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:14,205 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] [2018-12-31 03:58:14,205 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:14,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:14,206 INFO L82 PathProgramCache]: Analyzing trace with hash -197853759, now seen corresponding path program 1 times [2018-12-31 03:58:14,206 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:14,206 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) [2018-12-31 03:58:14,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:15,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:15,533 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 03:58:15,533 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:15,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:15,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:58:15,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:58:15,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:58:15,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:15,572 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 5 states. [2018-12-31 03:58:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:16,927 INFO L93 Difference]: Finished difference Result 68 states and 89 transitions. [2018-12-31 03:58:16,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:58:16,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-31 03:58:16,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:16,930 INFO L225 Difference]: With dead ends: 68 [2018-12-31 03:58:16,930 INFO L226 Difference]: Without dead ends: 39 [2018-12-31 03:58:16,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:58:16,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-31 03:58:16,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-31 03:58:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-31 03:58:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2018-12-31 03:58:16,938 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 20 [2018-12-31 03:58:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:16,938 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2018-12-31 03:58:16,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:58:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2018-12-31 03:58:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 03:58:16,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:16,941 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, 1, 1, 1] [2018-12-31 03:58:16,941 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:16,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:16,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1415968622, now seen corresponding path program 1 times [2018-12-31 03:58:16,942 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:16,942 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 03:58:16,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:18,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:18,324 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 03:58:18,324 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:18,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:18,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:58:18,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:58:18,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:58:18,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:18,358 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 5 states. [2018-12-31 03:58:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:18,513 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2018-12-31 03:58:18,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:58:18,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 03:58:18,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:18,515 INFO L225 Difference]: With dead ends: 39 [2018-12-31 03:58:18,515 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:58:18,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 03:58:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:58:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:58:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:58:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:58:18,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-31 03:58:18,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:18,518 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:58:18,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:58:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:58:18,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:58:18,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:58:18,710 INFO L444 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: false [2018-12-31 03:58:18,710 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2018-12-31 03:58:18,710 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-31 03:58:18,711 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-12-31 03:58:18,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:58:18,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:58:18,711 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-12-31 03:58:18,711 INFO L444 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: false [2018-12-31 03:58:18,712 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2018-12-31 03:58:18,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-31 03:58:18,712 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-12-31 03:58:18,712 INFO L444 ceAbstractionStarter]: At program point L161(line 161) 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_log10_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log10_~x .cse0))) [2018-12-31 03:58:18,712 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-12-31 03:58:18,712 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-31 03:58:18,713 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-12-31 03:58:18,714 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-12-31 03:58:18,714 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-12-31 03:58:18,715 INFO L451 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2018-12-31 03:58:18,715 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-12-31 03:58:18,715 INFO L444 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: false [2018-12-31 03:58:18,715 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-12-31 03:58:18,715 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-12-31 03:58:18,715 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-31 03:58:18,716 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:58:18,716 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-31 03:58:18,716 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (= ULTIMATE.start___ieee754_log10_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-31 03:58:18,716 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-31 03:58:18,716 INFO L444 ceAbstractionStarter]: At program point L107(lines 30 109) the Hoare annotation is: false [2018-12-31 03:58:18,716 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-31 03:58:18,716 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:58:18,717 INFO L444 ceAbstractionStarter]: At program point L157(lines 118 158) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_log10_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log10_~x .cse0))) [2018-12-31 03:58:18,717 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-12-31 03:58:18,717 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2018-12-31 03:58:18,717 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2018-12-31 03:58:18,717 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-12-31 03:58:18,717 INFO L444 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: false [2018-12-31 03:58:18,717 INFO L448 ceAbstractionStarter]: For program point L150-3(lines 150 155) no Hoare annotation was computed. [2018-12-31 03:58:18,718 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-31 03:58:18,718 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-12-31 03:58:18,718 INFO L448 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-12-31 03:58:18,718 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-31 03:58:18,718 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-12-31 03:58:18,730 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,731 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,734 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,735 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,735 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,735 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,737 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,738 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,739 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,740 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:18 BoogieIcfgContainer [2018-12-31 03:58:18,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:18,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:18,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:18,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:18,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:01" (3/4) ... [2018-12-31 03:58:18,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:58:18,768 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-31 03:58:18,769 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 03:58:18,798 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 03:58:18,798 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 03:58:18,889 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:58:18,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:18,892 INFO L168 Benchmark]: Toolchain (without parser) took 50070.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.4 MB in the beginning and 939.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,893 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 03:58:18,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,894 INFO L168 Benchmark]: Boogie Preprocessor took 60.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,895 INFO L168 Benchmark]: RCFGBuilder took 31900.30 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,896 INFO L168 Benchmark]: TraceAbstraction took 17355.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 129.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,897 INFO L168 Benchmark]: Witness Printer took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 939.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:18,900 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 458.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 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 144.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31900.30 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17355.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.2 MB in the end (delta: 129.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. * Witness Printer took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 939.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: 175]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant [2018-12-31 03:58:18,911 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,912 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,913 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,913 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,913 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: 35]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2018-12-31 03:58:18,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,914 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,915 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,915 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,915 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,915 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: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant [2018-12-31 03:58:18,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:18,918 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 11.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 188 SDtfs, 52 SDslu, 361 SDs, 0 SdLazy, 74 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 56 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 71 ConstructedInterpolants, 13 QuantifiedInterpolants, 6057 SizeOfPredicates, 20 NumberOfNonLiveVariables, 339 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...