./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_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 4c57c239736851c67037a19023adceb82e24847c ............................................................................................................................................................................................................................................................................................................ 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_0620b_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 4c57c239736851c67037a19023adceb82e24847c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:47:28,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:47:28,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:47:28,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:47:28,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:47:28,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:47:28,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:47:28,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:47:28,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:47:28,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:47:28,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:47:28,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:47:28,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:47:28,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:47:28,797 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:47:28,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:47:28,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:47:28,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:47:28,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:47:28,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:47:28,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:47:28,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:47:28,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:47:28,810 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:47:28,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:47:28,811 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:47:28,812 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:47:28,813 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:47:28,814 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:47:28,815 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:47:28,815 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:47:28,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:47:28,816 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:47:28,816 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:47:28,818 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:47:28,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:47:28,819 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:47:28,836 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:47:28,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:47:28,838 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:47:28,839 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:47:28,839 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:47:28,839 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:47:28,839 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:47:28,840 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:47:28,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:47:28,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:47:28,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:47:28,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:47:28,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:47:28,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:47:28,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:47:28,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:47:28,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:47:28,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:47:28,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:47:28,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:47:28,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:47:28,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:47:28,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:47:28,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:47:28,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:47:28,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:47:28,849 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:47:28,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:47:28,849 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 -> 4c57c239736851c67037a19023adceb82e24847c [2018-12-31 03:47:28,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:47:28,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:47:28,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:47:28,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:47:28,930 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:47:28,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:28,991 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fa8b7a3/818e0ad2f725403e9b51bf9fe57744da/FLAGd7022d8b4 [2018-12-31 03:47:29,514 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:47:29,514 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:29,522 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fa8b7a3/818e0ad2f725403e9b51bf9fe57744da/FLAGd7022d8b4 [2018-12-31 03:47:29,851 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60fa8b7a3/818e0ad2f725403e9b51bf9fe57744da [2018-12-31 03:47:29,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:47:29,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:47:29,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:47:29,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:47:29,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:47:29,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:47:29" (1/1) ... [2018-12-31 03:47:29,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636870a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:29, skipping insertion in model container [2018-12-31 03:47:29,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:47:29" (1/1) ... [2018-12-31 03:47:29,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:47:29,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:47:30,164 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:47:30,173 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:47:30,227 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:47:30,258 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:47:30,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30 WrapperNode [2018-12-31 03:47:30,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:47:30,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:47:30,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:47:30,260 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:47:30,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:47:30,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:47:30,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:47:30,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:47:30,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... [2018-12-31 03:47:30,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:47:30,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:47:30,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:47:30,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:47:30,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:47:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:47:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:47:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:47:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:47:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:47:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-31 03:47:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:47:31,322 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:47:31,322 INFO L280 CfgBuilder]: Removed 20 assue(true) statements. [2018-12-31 03:47:31,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:31 BoogieIcfgContainer [2018-12-31 03:47:31,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:47:31,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:47:31,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:47:31,328 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:47:31,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:47:29" (1/3) ... [2018-12-31 03:47:31,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4046c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:47:31, skipping insertion in model container [2018-12-31 03:47:31,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:30" (2/3) ... [2018-12-31 03:47:31,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4046c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:47:31, skipping insertion in model container [2018-12-31 03:47:31,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:31" (3/3) ... [2018-12-31 03:47:31,332 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:31,342 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:47:31,351 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:47:31,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:47:31,405 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:47:31,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:47:31,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:47:31,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:47:31,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:47:31,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:47:31,407 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:47:31,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:47:31,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:47:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-12-31 03:47:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:47:31,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:47:31,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:47:31,434 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:47:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:47:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash 2040843078, now seen corresponding path program 1 times [2018-12-31 03:47:31,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:47:31,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:47:31,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:47:31,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:47:31,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:47:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:47:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:47:31,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:47:31,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:47:31,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:47:31,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:47:31,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:47:31,615 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-12-31 03:47:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:47:31,638 INFO L93 Difference]: Finished difference Result 76 states and 120 transitions. [2018-12-31 03:47:31,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:47:31,640 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:47:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:47:31,653 INFO L225 Difference]: With dead ends: 76 [2018-12-31 03:47:31,654 INFO L226 Difference]: Without dead ends: 36 [2018-12-31 03:47:31,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:47:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-12-31 03:47:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-12-31 03:47:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-12-31 03:47:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2018-12-31 03:47:31,701 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 11 [2018-12-31 03:47:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:47:31,701 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2018-12-31 03:47:31,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:47:31,701 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2018-12-31 03:47:31,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 03:47:31,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:47:31,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:47:31,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:47:31,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:47:31,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1316832376, now seen corresponding path program 1 times [2018-12-31 03:47:31,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:47:31,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:47:31,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:47:31,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:47:31,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:47:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:47:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:47:31,948 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:47:31,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:47:31 BoogieIcfgContainer [2018-12-31 03:47:32,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:47:32,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:47:32,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:47:32,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:47:32,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:31" (3/4) ... [2018-12-31 03:47:32,007 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:47:32,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:47:32,009 INFO L168 Benchmark]: Toolchain (without parser) took 2153.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -102.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,013 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:47:32,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 933.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,016 INFO L168 Benchmark]: Boogie Preprocessor took 45.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,017 INFO L168 Benchmark]: RCFGBuilder took 859.88 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,018 INFO L168 Benchmark]: TraceAbstraction took 675.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:47:32,019 INFO L168 Benchmark]: Witness Printer took 7.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:47:32,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 933.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 157.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 859.88 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 675.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.97 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L154] double x = 0.0; [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L73] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L77] ieee_double_shape_type gl_u; [L78] gl_u.value = (x) [L79] EXPR gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L81] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L82] return x + x; VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L155] double res = atan_double(x); [L158] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L158] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L159] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-4:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50 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=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 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 0.1.24-2e94e6a [2018-12-31 03:47:34,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:47:34,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:47:34,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:47:34,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:47:34,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:47:34,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:47:34,589 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:47:34,590 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:47:34,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:47:34,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:47:34,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:47:34,594 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:47:34,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:47:34,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:47:34,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:47:34,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:47:34,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:47:34,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:47:34,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:47:34,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:47:34,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:47:34,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:47:34,610 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:47:34,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:47:34,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:47:34,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:47:34,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:47:34,615 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:47:34,616 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:47:34,617 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:47:34,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:47:34,618 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:47:34,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:47:34,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:47:34,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:47:34,620 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:47:34,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:47:34,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:47:34,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:47:34,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:47:34,654 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:47:34,654 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:47:34,654 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:47:34,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:47:34,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:47:34,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:47:34,656 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:47:34,656 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:47:34,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:47:34,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:47:34,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:47:34,657 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:47:34,657 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:47:34,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:47:34,657 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:47:34,657 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:47:34,657 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:47:34,658 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:47:34,658 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:47:34,658 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:47:34,658 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:47:34,658 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 -> 4c57c239736851c67037a19023adceb82e24847c [2018-12-31 03:47:34,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:47:34,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:47:34,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:47:34,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:47:34,722 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:47:34,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:34,791 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0daf3bdb/57934bb93727405da6203368ab4e7680/FLAG5e0b16e6d [2018-12-31 03:47:35,236 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:47:35,237 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:35,245 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0daf3bdb/57934bb93727405da6203368ab4e7680/FLAG5e0b16e6d [2018-12-31 03:47:35,604 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0daf3bdb/57934bb93727405da6203368ab4e7680 [2018-12-31 03:47:35,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:47:35,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:47:35,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:47:35,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:47:35,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:47:35,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:47:35" (1/1) ... [2018-12-31 03:47:35,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc73482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:35, skipping insertion in model container [2018-12-31 03:47:35,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:47:35" (1/1) ... [2018-12-31 03:47:35,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:47:35,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:47:35,973 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:47:35,985 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:47:36,092 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:47:36,128 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:47:36,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36 WrapperNode [2018-12-31 03:47:36,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:47:36,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:47:36,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:47:36,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:47:36,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:47:36,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:47:36,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:47:36,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:47:36,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... [2018-12-31 03:47:36,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:47:36,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:47:36,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:47:36,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:47:36,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:47:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:47:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:47:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:47:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-31 03:47:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:47:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:47:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:47:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:47:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:47:36,853 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:36,944 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:37,053 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:37,936 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:37,968 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:54,466 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:47:54,468 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:47:54,468 INFO L280 CfgBuilder]: Removed 20 assue(true) statements. [2018-12-31 03:47:54,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:54 BoogieIcfgContainer [2018-12-31 03:47:54,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:47:54,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:47:54,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:47:54,473 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:47:54,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:47:35" (1/3) ... [2018-12-31 03:47:54,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c050554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:47:54, skipping insertion in model container [2018-12-31 03:47:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:47:36" (2/3) ... [2018-12-31 03:47:54,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c050554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:47:54, skipping insertion in model container [2018-12-31 03:47:54,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:54" (3/3) ... [2018-12-31 03:47:54,478 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b_true-unreach-call.c [2018-12-31 03:47:54,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:47:54,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:47:54,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:47:54,547 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:47:54,547 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:47:54,548 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:47:54,548 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:47:54,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:47:54,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:47:54,548 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:47:54,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:47:54,549 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:47:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-12-31 03:47:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:47:54,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:47:54,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:47:54,576 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:47:54,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:47:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2040843078, now seen corresponding path program 1 times [2018-12-31 03:47:54,588 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:47:54,589 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:47:54,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:47:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:47:54,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:47:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:47:54,852 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:47:54,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:47:54,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:47:54,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:47:54,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:47:54,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:47:54,887 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-12-31 03:47:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:47:54,909 INFO L93 Difference]: Finished difference Result 76 states and 120 transitions. [2018-12-31 03:47:54,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:47:54,912 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:47:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:47:54,923 INFO L225 Difference]: With dead ends: 76 [2018-12-31 03:47:54,923 INFO L226 Difference]: Without dead ends: 36 [2018-12-31 03:47:54,927 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 [2018-12-31 03:47:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-12-31 03:47:54,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-12-31 03:47:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-12-31 03:47:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2018-12-31 03:47:54,966 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 11 [2018-12-31 03:47:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:47:54,966 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2018-12-31 03:47:54,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:47:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2018-12-31 03:47:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 03:47:54,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:47:54,968 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:47:54,968 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:47:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:47:54,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1316832376, now seen corresponding path program 1 times [2018-12-31 03:47:54,969 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:47:54,969 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:47:54,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:47:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:47:55,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:47:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:47:55,546 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:47:55,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:47:55,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:47:55,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:47:55,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:47:55,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:47:55,572 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand 5 states. [2018-12-31 03:47:55,901 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-31 03:48:04,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:48:04,881 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2018-12-31 03:48:04,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:48:04,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-31 03:48:04,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:48:04,884 INFO L225 Difference]: With dead ends: 59 [2018-12-31 03:48:04,884 INFO L226 Difference]: Without dead ends: 32 [2018-12-31 03:48:04,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:48:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-31 03:48:04,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2018-12-31 03:48:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-31 03:48:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-12-31 03:48:04,891 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2018-12-31 03:48:04,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:48:04,891 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-12-31 03:48:04,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:48:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-12-31 03:48:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 03:48:04,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:48:04,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:48:04,893 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:48:04,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:48:04,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1440122883, now seen corresponding path program 1 times [2018-12-31 03:48:04,894 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:48:04,894 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:48:04,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:48:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:48:05,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:48:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:48:05,243 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:48:05,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:48:05,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:48:05,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:48:05,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:48:05,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:48:05,260 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2018-12-31 03:48:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:48:14,153 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-12-31 03:48:14,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:48:14,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-31 03:48:14,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:48:14,155 INFO L225 Difference]: With dead ends: 35 [2018-12-31 03:48:14,155 INFO L226 Difference]: Without dead ends: 32 [2018-12-31 03:48:14,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:48:14,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-31 03:48:14,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2018-12-31 03:48:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-31 03:48:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2018-12-31 03:48:14,162 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2018-12-31 03:48:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:48:14,162 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-12-31 03:48:14,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:48:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-12-31 03:48:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 03:48:14,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:48:14,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:48:14,164 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:48:14,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:48:14,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1041172097, now seen corresponding path program 1 times [2018-12-31 03:48:14,165 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:48:14,165 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 03:48:14,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:48:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:48:19,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:48:19,478 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 03:48:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:48:19,503 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:48:19,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:48:19,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 03:48:19,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 03:48:19,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 03:48:19,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:48:19,623 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 4 states. [2018-12-31 03:48:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:48:19,785 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-12-31 03:48:19,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 03:48:19,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-12-31 03:48:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:48:19,801 INFO L225 Difference]: With dead ends: 32 [2018-12-31 03:48:19,801 INFO L226 Difference]: Without dead ends: 18 [2018-12-31 03:48:19,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 03:48:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-31 03:48:19,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-31 03:48:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-31 03:48:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-12-31 03:48:19,807 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2018-12-31 03:48:19,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:48:19,807 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-12-31 03:48:19,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 03:48:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-12-31 03:48:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 03:48:19,808 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:48:19,808 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:48:19,809 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:48:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:48:19,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1453962584, now seen corresponding path program 1 times [2018-12-31 03:48:19,809 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:48:19,810 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-31 03:48:19,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:48:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:48:20,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:48:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:48:20,252 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:48:20,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:48:20,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 03:48:20,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 03:48:20,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 03:48:20,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-31 03:48:20,269 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 9 states. [2018-12-31 03:48:20,907 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-31 03:48:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:48:20,918 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-12-31 03:48:20,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 03:48:20,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-12-31 03:48:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:48:20,920 INFO L225 Difference]: With dead ends: 18 [2018-12-31 03:48:20,920 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:48:20,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-12-31 03:48:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:48:20,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:48:20,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:48:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:48:20,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-12-31 03:48:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:48:20,922 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:48:20,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 03:48:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:48:20,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:48:20,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:48:21,297 WARN L181 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-31 03:48:21,413 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-31 03:48:21,528 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-31 03:48:21,562 INFO L448 ceAbstractionStarter]: For program point L68-3(lines 68 72) no Hoare annotation was computed. [2018-12-31 03:48:21,562 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-31 03:48:21,563 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-12-31 03:48:21,563 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-31 03:48:21,563 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2018-12-31 03:48:21,564 INFO L444 ceAbstractionStarter]: At program point L143(lines 134 144) the Hoare annotation is: (and (exists ((v_prenex_45 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_45) ((_ extract 62 52) v_prenex_45) ((_ extract 51 0) v_prenex_45))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_prenex_45)))) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short31| (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res|) (= ~one_atan~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|)) [2018-12-31 03:48:21,564 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:48:21,564 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:48:21,564 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2018-12-31 03:48:21,564 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2018-12-31 03:48:21,566 INFO L444 ceAbstractionStarter]: At program point L137-2(lines 137 141) the Hoare annotation is: (and (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short31| (= ~one_atan~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|)) [2018-12-31 03:48:21,566 INFO L448 ceAbstractionStarter]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2018-12-31 03:48:21,566 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-12-31 03:48:21,566 INFO L444 ceAbstractionStarter]: At program point L30(lines 17 31) the Hoare annotation is: false [2018-12-31 03:48:21,567 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-12-31 03:48:21,567 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-12-31 03:48:21,567 INFO L448 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-12-31 03:48:21,567 INFO L451 ceAbstractionStarter]: At program point L163(lines 146 164) the Hoare annotation is: true [2018-12-31 03:48:21,567 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-31 03:48:21,567 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-12-31 03:48:21,568 INFO L448 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-12-31 03:48:21,570 INFO L444 ceAbstractionStarter]: At program point L130-3(lines 64 132) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|)) [2018-12-31 03:48:21,570 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-12-31 03:48:21,570 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-12-31 03:48:21,570 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 17 31) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 29) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:48:21,571 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-12-31 03:48:21,572 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-31 03:48:21,572 INFO L448 ceAbstractionStarter]: For program point L158-2(lines 158 161) no Hoare annotation was computed. [2018-12-31 03:48:21,572 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-31 03:48:21,572 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2018-12-31 03:48:21,572 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 74 87) no Hoare annotation was computed. [2018-12-31 03:48:21,572 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-12-31 03:48:21,575 INFO L444 ceAbstractionStarter]: At program point L68-2(lines 68 72) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53))) [2018-12-31 03:48:21,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,594 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,598 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,600 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,608 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,609 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,611 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,611 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,612 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,612 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,613 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,613 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,614 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,615 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:48:21 BoogieIcfgContainer [2018-12-31 03:48:21,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:48:21,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:48:21,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:48:21,619 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:48:21,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:47:54" (3/4) ... [2018-12-31 03:48:21,625 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:48:21,647 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-31 03:48:21,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-31 03:48:21,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result [2018-12-31 03:48:21,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((res == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result [2018-12-31 03:48:21,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists v_prenex_45 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_45[63:63], v_prenex_45[62:52], v_prenex_45[51:0]) && msw == v_prenex_45[63:32]) && res == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && 0bv32 == \result) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result [2018-12-31 03:48:21,752 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:48:21,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:48:21,754 INFO L168 Benchmark]: Toolchain (without parser) took 46144.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.4 MB in the beginning and 915.7 MB in the end (delta: 35.7 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:48:21,754 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:48:21,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.35 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. [2018-12-31 03:48:21,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:48:21,756 INFO L168 Benchmark]: Boogie Preprocessor took 76.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:48:21,757 INFO L168 Benchmark]: RCFGBuilder took 18111.91 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:48:21,757 INFO L168 Benchmark]: TraceAbstraction took 27148.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.4 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:48:21,757 INFO L168 Benchmark]: Witness Printer took 133.66 ms. Allocated memory is still 1.2 GB. Free memory was 922.4 MB in the beginning and 915.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:48:21,763 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.35 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 150.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.69 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 18111.91 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27148.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.4 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 11.5 GB. * Witness Printer took 133.66 ms. Allocated memory is still 1.2 GB. Free memory was 922.4 MB in the beginning and 915.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,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 - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: 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: 64]: Loop Invariant [2018-12-31 03:48:21,776 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,776 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,779 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,780 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 134]: Loop Invariant [2018-12-31 03:48:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,781 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,782 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,782 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,783 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,784 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_45,QUANTIFIED] [2018-12-31 03:48:21,786 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,786 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((((\exists v_prenex_45 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_45[63:63], v_prenex_45[62:52], v_prenex_45[51:0]) && msw == v_prenex_45[63:32]) && res == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && 0bv32 == \result) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant [2018-12-31 03:48:21,787 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,787 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,789 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,789 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((res == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 68]: Loop Invariant [2018-12-31 03:48:21,790 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,790 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,790 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:48:21,796 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. SAFE Result, 27.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 19.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 113 SDtfs, 123 SDslu, 128 SDs, 0 SdLazy, 63 SolverSat, 11 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 101 HoareAnnotationTreeSize, 8 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 5 QuantifiedInterpolants, 3928 SizeOfPredicates, 25 NumberOfNonLiveVariables, 557 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...