./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0832_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_0832_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 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ............................................................................................................................................................................................................................................................................................................... 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_0832_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 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:04:58,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:04:58,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:04:58,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:04:58,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:04:58,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:04:58,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:04:58,374 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:04:58,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:04:58,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:04:58,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:04:58,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:04:58,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:04:58,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:04:58,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:04:58,384 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:04:58,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:04:58,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:04:58,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:04:58,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:04:58,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:04:58,394 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:04:58,398 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:04:58,398 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:04:58,402 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:04:58,403 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:04:58,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:04:58,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:04:58,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:04:58,411 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:04:58,411 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:04:58,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:04:58,412 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:04:58,412 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:04:58,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:04:58,414 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:04:58,415 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:04:58,436 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:04:58,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:04:58,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:04:58,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:04:58,438 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:04:58,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:04:58,439 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:04:58,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:04:58,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:04:58,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:04:58,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:04:58,440 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:04:58,440 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:04:58,440 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:04:58,440 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:04:58,440 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:04:58,441 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:04:58,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:04:58,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:04:58,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:04:58,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:04:58,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:04:58,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:04:58,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:04:58,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:04:58,445 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:04:58,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:04:58,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:04:58,445 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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2019-01-12 09:04:58,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:04:58,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:04:58,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:04:58,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:04:58,525 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:04:58,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2019-01-12 09:04:58,601 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca086a809/2bf6c4533238447db3d1084a69e5bf30/FLAG7389d771f [2019-01-12 09:04:59,005 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:04:59,006 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2019-01-12 09:04:59,012 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca086a809/2bf6c4533238447db3d1084a69e5bf30/FLAG7389d771f [2019-01-12 09:04:59,388 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca086a809/2bf6c4533238447db3d1084a69e5bf30 [2019-01-12 09:04:59,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:04:59,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:04:59,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:04:59,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:04:59,400 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:04:59,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:04:59,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525474d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59, skipping insertion in model container [2019-01-12 09:04:59,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:04:59,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:04:59,441 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:04:59,761 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:04:59,769 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:04:59,840 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:04:59,877 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:04:59,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59 WrapperNode [2019-01-12 09:04:59,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:04:59,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:04:59,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:04:59,880 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:04:59,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:05:00,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:05:00,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:05:00,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:05:00,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (1/1) ... [2019-01-12 09:05:00,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:05:00,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:05:00,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:05:00,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:05:00,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (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 [2019-01-12 09:05:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:05:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:05:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:05:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:05:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:05:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:05:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:05:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:05:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:05:01,019 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:05:01,020 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:05:01,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:01 BoogieIcfgContainer [2019-01-12 09:05:01,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:05:01,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:05:01,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:05:01,027 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:05:01,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:04:59" (1/3) ... [2019-01-12 09:05:01,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629af74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:05:01, skipping insertion in model container [2019-01-12 09:05:01,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:04:59" (2/3) ... [2019-01-12 09:05:01,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629af74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:05:01, skipping insertion in model container [2019-01-12 09:05:01,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:01" (3/3) ... [2019-01-12 09:05:01,032 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2019-01-12 09:05:01,042 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:05:01,050 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:05:01,068 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:05:01,100 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:05:01,100 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:05:01,100 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:05:01,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:05:01,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:05:01,102 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:05:01,102 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:05:01,102 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:05:01,102 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:05:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-01-12 09:05:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:05:01,126 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:01,128 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:01,130 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:01,136 INFO L82 PathProgramCache]: Analyzing trace with hash 848189856, now seen corresponding path program 1 times [2019-01-12 09:05:01,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:05:01,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:05:01,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:05:01,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:05:01,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:05:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:05:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:05:01,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:05:01,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:05:01,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:05:01,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:05:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:05:01,296 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-01-12 09:05:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:05:01,316 INFO L93 Difference]: Finished difference Result 79 states and 128 transitions. [2019-01-12 09:05:01,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:05:01,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:05:01,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:05:01,331 INFO L225 Difference]: With dead ends: 79 [2019-01-12 09:05:01,332 INFO L226 Difference]: Without dead ends: 37 [2019-01-12 09:05:01,335 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 [2019-01-12 09:05:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-12 09:05:01,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-01-12 09:05:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-12 09:05:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-01-12 09:05:01,381 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 11 [2019-01-12 09:05:01,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:05:01,381 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-01-12 09:05:01,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:05:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-01-12 09:05:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:05:01,383 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:01,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:01,384 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:01,384 INFO L82 PathProgramCache]: Analyzing trace with hash 963881224, now seen corresponding path program 1 times [2019-01-12 09:05:01,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:05:01,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:05:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:05:01,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:05:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:05:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:05:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:05:01,543 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:05:01,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:05:01 BoogieIcfgContainer [2019-01-12 09:05:01,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:05:01,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:05:01,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:05:01,613 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:05:01,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:01" (3/4) ... [2019-01-12 09:05:01,619 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:05:01,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:05:01,621 INFO L168 Benchmark]: Toolchain (without parser) took 2227.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:01,624 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-12 09:05:01,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:01,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:01,627 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:05:01,628 INFO L168 Benchmark]: RCFGBuilder took 889.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:01,628 INFO L168 Benchmark]: TraceAbstraction took 588.20 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:01,630 INFO L168 Benchmark]: Witness Printer took 8.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:05:01,636 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 484.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 193.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 889.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 588.20 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L137] double x = __VERIFIER_nondet_double(); [L139] COND TRUE x == 0.0 || x == -0.0 [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L57] COND TRUE hx >= 0x40862E42 VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_exp(x); [L144] COND TRUE res != 1.0 VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L145] __VERIFIER_error() VAL [halF_exp={-3:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={-2:0}, ln2LO_exp={1:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 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=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-0ed9222-m [2019-01-12 09:05:03,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:05:03,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:05:03,955 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:05:03,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:05:03,956 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:05:03,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:05:03,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:05:03,962 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:05:03,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:05:03,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:05:03,965 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:05:03,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:05:03,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:05:03,968 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:05:03,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:05:03,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:05:03,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:05:03,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:05:03,977 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:05:03,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:05:03,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:05:03,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:05:03,983 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:05:03,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:05:03,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:05:03,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:05:03,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:05:03,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:05:03,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:05:03,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:05:03,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:05:03,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:05:03,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:05:03,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:05:03,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:05:03,992 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:05:04,008 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:05:04,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:05:04,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:05:04,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:05:04,011 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:05:04,011 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:05:04,011 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:05:04,011 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:05:04,011 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:05:04,011 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:05:04,012 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:05:04,013 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:05:04,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:05:04,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:05:04,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:05:04,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:05:04,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:05:04,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:05:04,016 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:05:04,016 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:05:04,016 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:05:04,017 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:05:04,017 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:05:04,017 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:05:04,017 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:05:04,017 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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2019-01-12 09:05:04,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:05:04,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:05:04,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:05:04,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:05:04,075 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:05:04,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2019-01-12 09:05:04,145 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165c1d8a3/f12972ea16054172ba6bd1063a3196a3/FLAGfc35c38a7 [2019-01-12 09:05:04,590 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:05:04,593 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2019-01-12 09:05:04,604 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165c1d8a3/f12972ea16054172ba6bd1063a3196a3/FLAGfc35c38a7 [2019-01-12 09:05:04,953 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165c1d8a3/f12972ea16054172ba6bd1063a3196a3 [2019-01-12 09:05:04,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:05:04,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:05:04,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:05:04,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:05:04,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:05:04,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:05:04" (1/1) ... [2019-01-12 09:05:04,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b6b8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:04, skipping insertion in model container [2019-01-12 09:05:04,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:05:04" (1/1) ... [2019-01-12 09:05:04,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:05:05,009 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:05:05,301 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:05:05,311 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:05:05,408 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:05:05,457 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:05:05,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05 WrapperNode [2019-01-12 09:05:05,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:05:05,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:05:05,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:05:05,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:05:05,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:05:05,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:05:05,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:05:05,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:05:05,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (1/1) ... [2019-01-12 09:05:05,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:05:05,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:05:05,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:05:05,682 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:05:05,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (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 [2019-01-12 09:05:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:05:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:05:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:05:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-01-12 09:05:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:05:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:05:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:05:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:05:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:05:06,102 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:06,249 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:06,302 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:06,817 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:18,252 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:18,280 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:18,315 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:05:18,323 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:05:18,324 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:05:18,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:18 BoogieIcfgContainer [2019-01-12 09:05:18,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:05:18,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:05:18,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:05:18,331 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:05:18,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:05:04" (1/3) ... [2019-01-12 09:05:18,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66180fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:05:18, skipping insertion in model container [2019-01-12 09:05:18,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:05:05" (2/3) ... [2019-01-12 09:05:18,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66180fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:05:18, skipping insertion in model container [2019-01-12 09:05:18,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:18" (3/3) ... [2019-01-12 09:05:18,336 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2019-01-12 09:05:18,347 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:05:18,356 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:05:18,373 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:05:18,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:05:18,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:05:18,406 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:05:18,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:05:18,407 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:05:18,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:05:18,407 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:05:18,408 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:05:18,408 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:05:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-01-12 09:05:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:05:18,428 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:18,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:18,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:18,436 INFO L82 PathProgramCache]: Analyzing trace with hash 848189856, now seen corresponding path program 1 times [2019-01-12 09:05:18,439 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:05:18,440 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 [2019-01-12 09:05:18,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:05:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:05:18,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:05:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:05:18,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:05:18,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:05:18,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:05:18,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:05:18,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:05:18,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:05:18,842 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-01-12 09:05:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:05:18,863 INFO L93 Difference]: Finished difference Result 79 states and 128 transitions. [2019-01-12 09:05:18,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:05:18,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-01-12 09:05:18,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:05:18,878 INFO L225 Difference]: With dead ends: 79 [2019-01-12 09:05:18,878 INFO L226 Difference]: Without dead ends: 37 [2019-01-12 09:05:18,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:05:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-12 09:05:18,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-01-12 09:05:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-12 09:05:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-01-12 09:05:18,918 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 11 [2019-01-12 09:05:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:05:18,919 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-01-12 09:05:18,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:05:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-01-12 09:05:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-12 09:05:18,920 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:18,920 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:18,922 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:18,922 INFO L82 PathProgramCache]: Analyzing trace with hash 963881224, now seen corresponding path program 1 times [2019-01-12 09:05:18,923 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:05:18,923 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) [2019-01-12 09:05:18,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:05:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:05:19,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:05:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:05:19,602 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:05:19,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:05:19,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:05:19,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:05:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:05:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:05:19,621 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 5 states. [2019-01-12 09:05:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:05:29,247 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-01-12 09:05:29,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:05:29,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-12 09:05:29,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:05:29,741 INFO L225 Difference]: With dead ends: 61 [2019-01-12 09:05:29,741 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 09:05:29,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:05:29,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 09:05:29,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2019-01-12 09:05:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:05:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-01-12 09:05:29,747 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 12 [2019-01-12 09:05:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:05:29,748 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-01-12 09:05:29,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:05:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-01-12 09:05:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:05:29,749 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:29,749 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:29,750 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:29,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1714660040, now seen corresponding path program 1 times [2019-01-12 09:05:29,751 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:05:29,752 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 [2019-01-12 09:05:29,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:05:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:05:30,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:05:30,507 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 09:05:31,096 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 09:05:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:05:31,138 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:05:31,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:05:31,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:05:31,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:05:31,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:05:31,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:05:31,155 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2019-01-12 09:05:32,545 WARN L181 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 09:05:34,318 WARN L181 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 18 [2019-01-12 09:05:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:05:46,408 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-12 09:05:46,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:05:46,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-01-12 09:05:46,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:05:46,410 INFO L225 Difference]: With dead ends: 31 [2019-01-12 09:05:46,411 INFO L226 Difference]: Without dead ends: 27 [2019-01-12 09:05:46,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 09:05:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-12 09:05:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-12 09:05:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-12 09:05:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-01-12 09:05:46,417 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 13 [2019-01-12 09:05:46,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:05:46,417 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-01-12 09:05:46,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:05:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-12 09:05:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-12 09:05:46,418 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:05:46,419 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:05:46,419 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:05:46,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:05:46,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1479203763, now seen corresponding path program 1 times [2019-01-12 09:05:46,420 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:05:46,421 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:05:46,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:05:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:05:50,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:05:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:05:50,411 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:05:50,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:05:50,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:05:50,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:05:50,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:05:50,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:05:50,485 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 4 states. [2019-01-12 09:05:50,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:05:50,551 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-12 09:05:50,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:05:50,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-12 09:05:50,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:05:50,555 INFO L225 Difference]: With dead ends: 27 [2019-01-12 09:05:50,556 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:05:50,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:05:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:05:50,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:05:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:05:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:05:50,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-01-12 09:05:50,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:05:50,557 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:05:50,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:05:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:05:50,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:05:50,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:05:51,131 WARN L181 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 09:05:51,138 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2019-01-12 09:05:51,138 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2019-01-12 09:05:51,139 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: false [2019-01-12 09:05:51,139 INFO L444 ceAbstractionStarter]: At program point L127(lines 44 129) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0) (exists ((ULTIMATE.start___ieee754_exp_~x (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_exp_~x) |ULTIMATE.start___ieee754_exp_#res|) (fp.eq ULTIMATE.start___ieee754_exp_~x (_ +zero 11 53)))) (fp.eq ULTIMATE.start___ieee754_exp_~x (_ +zero 11 53))) [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:05:51,139 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2019-01-12 09:05:51,140 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 148) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L139-2(lines 139 148) no Hoare annotation was computed. [2019-01-12 09:05:51,141 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:05:51,142 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2019-01-12 09:05:51,143 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2019-01-12 09:05:51,143 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-01-12 09:05:51,143 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_exp~0) (fp.eq ULTIMATE.start___ieee754_exp_~x (_ +zero 11 53))) [2019-01-12 09:05:51,143 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2019-01-12 09:05:51,144 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2019-01-12 09:05:51,145 INFO L444 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2019-01-12 09:05:51,145 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2019-01-12 09:05:51,145 INFO L451 ceAbstractionStarter]: At program point L150(lines 131 151) the Hoare annotation is: true [2019-01-12 09:05:51,145 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2019-01-12 09:05:51,145 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2019-01-12 09:05:51,156 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,157 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,158 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,158 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,159 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,164 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,165 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,165 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,168 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,169 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,169 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,170 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:05:51 BoogieIcfgContainer [2019-01-12 09:05:51,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:05:51,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:05:51,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:05:51,174 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:05:51,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:05:18" (3/4) ... [2019-01-12 09:05:51,181 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:05:51,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-12 09:05:51,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-01-12 09:05:51,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:05:51,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp && (\exists ULTIMATE.start___ieee754_exp_~x : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ULTIMATE.start___ieee754_exp_~x) == \result && ~fp.eq~DOUBLE(ULTIMATE.start___ieee754_exp_~x, ~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(x, ~Pluszero~LONGDOUBLE()) [2019-01-12 09:05:51,324 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:05:51,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:05:51,326 INFO L168 Benchmark]: Toolchain (without parser) took 46366.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 952.7 MB in the beginning and 948.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,330 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-01-12 09:05:51,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,334 INFO L168 Benchmark]: Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:05:51,335 INFO L168 Benchmark]: RCFGBuilder took 12643.81 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,336 INFO L168 Benchmark]: TraceAbstraction took 32846.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,336 INFO L168 Benchmark]: Witness Printer took 151.09 ms. Allocated memory is still 1.1 GB. Free memory was 962.2 MB in the beginning and 948.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:05:51,346 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 12643.81 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32846.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. * Witness Printer took 151.09 ms. Allocated memory is still 1.1 GB. Free memory was 962.2 MB in the beginning and 948.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] - 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: 145]: 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: 44]: Loop Invariant [2019-01-12 09:05:51,355 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,355 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,356 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,358 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,359 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,359 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,359 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] [2019-01-12 09:05:51,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_exp_~x,QUANTIFIED] Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp && (\exists ULTIMATE.start___ieee754_exp_~x : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ULTIMATE.start___ieee754_exp_~x) == \result && ~fp.eq~DOUBLE(ULTIMATE.start___ieee754_exp_~x, ~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(x, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 49]: Loop Invariant [2019-01-12 09:05:51,360 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:05:51,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_exp) && ~fp.eq~DOUBLE(x, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. SAFE Result, 32.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 25.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 47 SDslu, 96 SDs, 0 SdLazy, 28 SolverSat, 4 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 9 NumberOfFragments, 40 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 5 QuantifiedInterpolants, 3677 SizeOfPredicates, 15 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...