/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_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 77a01f137667344720fd98189387bfe86c106b2a ..................................................................................................................................................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_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 77a01f137667344720fd98189387bfe86c106b2a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:45:54,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:45:54,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:45:54,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:45:54,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:45:54,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:45:54,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:45:54,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:45:54,877 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:45:54,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:45:54,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:45:54,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:45:54,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:45:54,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:45:54,882 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:45:54,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:45:54,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:45:54,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:45:54,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:45:54,889 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:45:54,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:45:54,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:45:54,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:45:54,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:45:54,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:45:54,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:45:54,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:45:54,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:45:54,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:45:54,902 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:45:54,902 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:45:54,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:45:54,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:45:54,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:45:54,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:45:54,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:45:54,913 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:45:54,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:45:54,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:45:54,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:45:54,947 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:45:54,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:45:54,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:45:54,948 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:45:54,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:45:54,949 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:45:54,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:45:54,949 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:45:54,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:45:54,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:45:54,950 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:45:54,950 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:45:54,950 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:45:54,950 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:45:54,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:45:54,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:45:54,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:45:54,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:45:54,953 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:45:54,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:45:54,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:45:54,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:45:54,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:45:54,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:45:54,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:45:54,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:45:54,955 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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-09-20 14:45:55,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:45:55,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:45:55,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:45:55,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:45:55,056 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:45:55,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-20 14:45:55,413 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3760efeb/e9ffe9fa220b42b18e1c4e099eff01c2/FLAGab4b177b9 [2018-09-20 14:45:55,637 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:45:55,638 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-20 14:45:55,649 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3760efeb/e9ffe9fa220b42b18e1c4e099eff01c2/FLAGab4b177b9 [2018-09-20 14:45:55,677 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3760efeb/e9ffe9fa220b42b18e1c4e099eff01c2 [2018-09-20 14:45:55,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:45:55,687 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:45:55,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:45:55,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:45:55,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:45:55,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:45:55" (1/1) ... [2018-09-20 14:45:55,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e52056e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:55, skipping insertion in model container [2018-09-20 14:45:55,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:45:55" (1/1) ... [2018-09-20 14:45:55,713 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:45:56,000 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:45:56,022 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:45:56,092 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:45:56,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56 WrapperNode [2018-09-20 14:45:56,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:45:56,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:45:56,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:45:56,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:45:56,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (1/1) ... [2018-09-20 14:45:56,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:45:56,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:45:56,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:45:56,264 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:45:56,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (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 [2018-09-20 14:45:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:45:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:45:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:45:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:45:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:45:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:45:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:45:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:45:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:45:57,311 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:45:57,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:45:57 BoogieIcfgContainer [2018-09-20 14:45:57,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:45:57,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:45:57,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:45:57,316 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:45:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:45:55" (1/3) ... [2018-09-20 14:45:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784de7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:45:57, skipping insertion in model container [2018-09-20 14:45:57,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:45:56" (2/3) ... [2018-09-20 14:45:57,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784de7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:45:57, skipping insertion in model container [2018-09-20 14:45:57,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:45:57" (3/3) ... [2018-09-20 14:45:57,320 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-09-20 14:45:57,331 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:45:57,340 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:45:57,387 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:45:57,387 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:45:57,388 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:45:57,388 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:45:57,388 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:45:57,388 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:45:57,388 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:45:57,389 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:45:57,389 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:45:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-09-20 14:45:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-20 14:45:57,418 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:45:57,419 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:45:57,422 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:45:57,427 INFO L82 PathProgramCache]: Analyzing trace with hash -267865449, now seen corresponding path program 1 times [2018-09-20 14:45:57,429 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:45:57,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:45:57,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:45:57,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:45:57,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:45:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:45:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:45:57,578 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:45:57,579 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:45:57,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:45:57,596 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:45:57,597 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:45:57,599 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 2 states. [2018-09-20 14:45:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:45:57,629 INFO L93 Difference]: Finished difference Result 168 states and 224 transitions. [2018-09-20 14:45:57,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:45:57,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-20 14:45:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:45:57,643 INFO L225 Difference]: With dead ends: 168 [2018-09-20 14:45:57,643 INFO L226 Difference]: Without dead ends: 84 [2018-09-20 14:45:57,648 INFO L606 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 [2018-09-20 14:45:57,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-09-20 14:45:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-09-20 14:45:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-09-20 14:45:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2018-09-20 14:45:57,692 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 20 [2018-09-20 14:45:57,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:45:57,693 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions. [2018-09-20 14:45:57,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:45:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2018-09-20 14:45:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-20 14:45:57,695 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:45:57,695 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:45:57,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:45:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1973379583, now seen corresponding path program 1 times [2018-09-20 14:45:57,696 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:45:57,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:45:57,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:45:57,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:45:57,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:45:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:45:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:45:57,838 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:45:57,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:45:57 BoogieIcfgContainer [2018-09-20 14:45:57,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:45:57,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:45:57,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:45:57,881 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:45:57,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:45:57" (3/4) ... [2018-09-20 14:45:57,885 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:45:57,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:45:57,886 INFO L168 Benchmark]: Toolchain (without parser) took 2201.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.8 MB in the beginning and 1.0 GB in the end (delta: -94.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:57,888 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:45:57,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:57,890 INFO L168 Benchmark]: Boogie Preprocessor took 99.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:45:57,890 INFO L168 Benchmark]: RCFGBuilder took 1048.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:57,891 INFO L168 Benchmark]: TraceAbstraction took 567.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:45:57,892 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:45:57,896 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.48 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1048.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 567.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=16, \old(tiny_sqrt)=13, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=17, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=17, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L26] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=17, ew_u={9:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L27] FCALL ew_u.value = (x) VAL [\old(x)=17, ew_u={9:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] (ix0) = ew_u.parts.msw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L28] FCALL (ix0) = ew_u.parts.msw VAL [(ix0) = ew_u.parts.msw=14, \old(x)=17, ew_u={9:0}, ew_u.parts.msw=3, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] (ix1) = ew_u.parts.lsw VAL [\old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L29] FCALL (ix1) = ew_u.parts.lsw VAL [(ix1) = ew_u.parts.lsw=12, \old(x)=17, ew_u={9:0}, ew_u.parts.lsw=15, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L30] COND FALSE !(0) VAL [\old(x)=17, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] RET return x * x + x; VAL [\old(x)=17, ix0=3, ix1=15, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L140] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=10, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=10, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] RET return x != x; VAL [\old(x)=10, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10] [L143] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=10, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=10, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=17] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 107 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=88occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 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 0.1.23-40ef509 [2018-09-20 14:46:00,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:46:00,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:46:00,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:46:00,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:46:00,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:46:00,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:46:00,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:46:00,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:46:00,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:46:00,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:46:00,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:46:00,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:46:00,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:46:00,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:46:00,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:46:00,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:46:00,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:46:00,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:46:00,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:46:00,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:46:00,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:46:00,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:46:00,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:46:00,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:46:00,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:46:00,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:46:00,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:46:00,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:46:00,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:46:00,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:46:00,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:46:00,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:46:00,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:46:00,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:46:00,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:46:00,468 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:46:00,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:46:00,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:46:00,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:46:00,485 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:46:00,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:46:00,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:46:00,486 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:46:00,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:46:00,487 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:46:00,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:46:00,488 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:46:00,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:46:00,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:46:00,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:46:00,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:46:00,491 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:46:00,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:46:00,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:46:00,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:46:00,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:46:00,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:46:00,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:46:00,492 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:46:00,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:46:00,493 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:46:00,493 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:46:00,493 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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-09-20 14:46:00,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:46:00,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:46:00,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:46:00,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:46:00,589 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:46:00,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-20 14:46:00,939 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f654b6461/0d51c882fa1d4e4786fa945c0ea4d3d3/FLAGae1122f34 [2018-09-20 14:46:01,100 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:46:01,101 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-09-20 14:46:01,114 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f654b6461/0d51c882fa1d4e4786fa945c0ea4d3d3/FLAGae1122f34 [2018-09-20 14:46:01,131 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f654b6461/0d51c882fa1d4e4786fa945c0ea4d3d3 [2018-09-20 14:46:01,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:46:01,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:46:01,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:46:01,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:46:01,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:46:01,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6757ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01, skipping insertion in model container [2018-09-20 14:46:01,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,173 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:46:01,431 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:46:01,453 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:46:01,517 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:46:01,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01 WrapperNode [2018-09-20 14:46:01,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:46:01,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:46:01,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:46:01,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:46:01,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (1/1) ... [2018-09-20 14:46:01,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:46:01,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:46:01,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:46:01,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:46:01,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (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 [2018-09-20 14:46:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:46:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:46:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:46:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:46:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:46:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:46:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:46:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:46:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:46:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:46:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:46:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:46:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:46:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:46:02,306 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:02,343 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:02,397 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:07,465 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:46:07,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:46:07 BoogieIcfgContainer [2018-09-20 14:46:07,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:46:07,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:46:07,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:46:07,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:46:07,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:46:01" (1/3) ... [2018-09-20 14:46:07,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7e62b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:46:07, skipping insertion in model container [2018-09-20 14:46:07,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:01" (2/3) ... [2018-09-20 14:46:07,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7e62b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:46:07, skipping insertion in model container [2018-09-20 14:46:07,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:46:07" (3/3) ... [2018-09-20 14:46:07,474 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-09-20 14:46:07,483 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:46:07,491 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:46:07,538 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:46:07,539 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:46:07,539 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:46:07,541 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:46:07,541 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:46:07,541 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:46:07,541 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:46:07,541 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:46:07,542 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:46:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-09-20 14:46:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-20 14:46:07,572 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:46:07,574 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:46:07,576 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:46:07,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1953469968, now seen corresponding path program 1 times [2018-09-20 14:46:07,587 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:46:07,588 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) [2018-09-20 14:46:07,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:46:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:46:08,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:46:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:46:08,111 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:46:08,133 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:46:08,134 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:46:08,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:46:08,155 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:46:08,156 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:46:08,159 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-09-20 14:46:08,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:46:08,192 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2018-09-20 14:46:08,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:46:08,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-20 14:46:08,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:46:08,208 INFO L225 Difference]: With dead ends: 166 [2018-09-20 14:46:08,209 INFO L226 Difference]: Without dead ends: 83 [2018-09-20 14:46:08,214 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:46:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-20 14:46:08,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-09-20 14:46:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-20 14:46:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2018-09-20 14:46:08,263 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 19 [2018-09-20 14:46:08,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:46:08,263 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2018-09-20 14:46:08,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:46:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2018-09-20 14:46:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 14:46:08,266 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:46:08,266 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:46:08,267 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:46:08,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1314250089, now seen corresponding path program 1 times [2018-09-20 14:46:08,268 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:46:08,269 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 [2018-09-20 14:46:08,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:46:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:46:08,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:46:18,554 WARN L178 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 6 [2018-09-20 14:46:26,003 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 5 [2018-09-20 14:46:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:46:26,012 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:46:26,032 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:46:26,032 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:46:26,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:46:26,036 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:46:26,036 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2018-09-20 14:46:26,036 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. Second operand 9 states. [2018-09-20 14:46:44,875 WARN L178 SmtUtils]: Spent 8.54 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 14:47:06,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:47:06,437 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2018-09-20 14:47:06,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-20 14:47:06,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-09-20 14:47:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:47:06,441 INFO L225 Difference]: With dead ends: 90 [2018-09-20 14:47:06,443 INFO L226 Difference]: Without dead ends: 83 [2018-09-20 14:47:06,444 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.3s TimeCoverageRelationStatistics Valid=33, Invalid=119, Unknown=4, NotChecked=0, Total=156 [2018-09-20 14:47:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-20 14:47:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-09-20 14:47:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-20 14:47:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2018-09-20 14:47:06,460 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 32 [2018-09-20 14:47:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:47:06,461 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2018-09-20 14:47:06,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:47:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2018-09-20 14:47:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-20 14:47:06,463 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:47:06,464 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:47:06,464 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:47:06,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1662117317, now seen corresponding path program 1 times [2018-09-20 14:47:06,466 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:47:06,466 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 [2018-09-20 14:47:06,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:47:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:47:06,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:47:06,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:47:06,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:47:06,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:06,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:06,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:06,914 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:47:06,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:47:06,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:47:06,973 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:06,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:07,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:07,009 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:47:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:47:07,211 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:47:07,225 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:47:07,226 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:47:07,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:47:07,226 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:47:07,227 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:47:07,227 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand 8 states. [2018-09-20 14:47:11,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:47:11,793 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2018-09-20 14:47:11,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:47:11,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-20 14:47:11,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:47:11,796 INFO L225 Difference]: With dead ends: 102 [2018-09-20 14:47:11,796 INFO L226 Difference]: Without dead ends: 36 [2018-09-20 14:47:11,797 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 14:47:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-09-20 14:47:11,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-09-20 14:47:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-20 14:47:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-09-20 14:47:11,804 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 34 [2018-09-20 14:47:11,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:47:11,805 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-09-20 14:47:11,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:47:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-09-20 14:47:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-20 14:47:11,807 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:47:11,807 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:47:11,807 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:47:11,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1837308836, now seen corresponding path program 1 times [2018-09-20 14:47:11,810 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:47:11,810 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 [2018-09-20 14:47:11,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:47:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:47:12,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:47:12,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:47:12,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:47:12,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:12,752 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:12,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:12,772 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:47:12,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:47:12,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:47:12,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:12,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:12,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:12,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:47:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:47:13,020 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:47:13,043 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:47:13,043 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 14:47:13,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 14:47:13,044 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 14:47:13,044 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 14:47:13,044 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 8 states. [2018-09-20 14:47:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:47:16,259 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-09-20 14:47:16,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 14:47:16,664 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-09-20 14:47:16,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:47:16,664 INFO L225 Difference]: With dead ends: 36 [2018-09-20 14:47:16,664 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:47:16,666 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:47:16,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:47:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:47:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:47:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:47:16,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-09-20 14:47:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:47:16,667 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:47:16,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 14:47:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:47:16,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:47:16,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:47:16,937 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 19 127) the Hoare annotation is: true [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 19 127) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-09-20 14:47:16,938 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-09-20 14:47:16,939 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 69 79) no Hoare annotation was computed. [2018-09-20 14:47:16,939 INFO L426 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-09-20 14:47:16,939 INFO L422 ceAbstractionStarter]: At program point L69-3(lines 69 79) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (_ bv2146435072 32) (bvand ((_ extract 63 32) |v_q#valueAsBitvector_4|) (_ bv2146435072 32))))))) [2018-09-20 14:47:16,939 INFO L426 ceAbstractionStarter]: For program point L69-4(lines 69 79) no Hoare annotation was computed. [2018-09-20 14:47:16,939 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 14:47:16,939 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L28-2(line 28) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L422 ceAbstractionStarter]: At program point L45-3(lines 45 49) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (_ bv2146435072 32) (bvand ((_ extract 63 32) |v_q#valueAsBitvector_4|) (_ bv2146435072 32))))))) [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L45-4(lines 45 49) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-09-20 14:47:16,940 INFO L426 ceAbstractionStarter]: For program point L29-2(line 29) no Hoare annotation was computed. [2018-09-20 14:47:16,941 INFO L426 ceAbstractionStarter]: For program point L29-3(line 29) no Hoare annotation was computed. [2018-09-20 14:47:16,941 INFO L426 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2018-09-20 14:47:16,941 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2018-09-20 14:47:16,941 INFO L426 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2018-09-20 14:47:16,941 INFO L422 ceAbstractionStarter]: At program point L120-3(lines 120 125) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (_ bv2146435072 32) (bvand ((_ extract 63 32) |v_q#valueAsBitvector_4|) (_ bv2146435072 32))))))) [2018-09-20 14:47:16,941 INFO L426 ceAbstractionStarter]: For program point L120-4(lines 120 125) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L121-1(line 121) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L121-2(line 121) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L121-3(line 121) no Hoare annotation was computed. [2018-09-20 14:47:16,942 INFO L426 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 19 127) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L426 ceAbstractionStarter]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2018-09-20 14:47:16,943 INFO L422 ceAbstractionStarter]: At program point L82-3(lines 82 98) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (_ bv2146435072 32) (bvand ((_ extract 63 32) |v_q#valueAsBitvector_4|) (_ bv2146435072 32))))))) [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L82-4(lines 19 127) no Hoare annotation was computed. [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-09-20 14:47:16,944 INFO L426 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L124-3(line 124) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L422 ceAbstractionStarter]: At program point L25-3(lines 25 30) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L25-4(lines 19 127) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 51) no Hoare annotation was computed. [2018-09-20 14:47:16,945 INFO L426 ceAbstractionStarter]: For program point L50-3(lines 50 51) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L422 ceAbstractionStarter]: At program point L50-4(lines 50 51) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_4| (_ BitVec 64))) (and (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_4|) ((_ extract 62 52) |v_q#valueAsBitvector_4|) ((_ extract 51 0) |v_q#valueAsBitvector_4|))) (not (= (_ bv2146435072 32) (bvand ((_ extract 63 32) |v_q#valueAsBitvector_4|) (_ bv2146435072 32))))))) [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L50-5(lines 50 51) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-20 14:47:16,946 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point L26-3(line 26) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 130) the Hoare annotation is: true [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 130) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 130) no Hoare annotation was computed. [2018-09-20 14:47:16,947 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:47:16,948 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:47:16,948 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:47:16,948 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:47:16,948 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 14:47:16,948 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:47:16,948 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:47:16,948 INFO L426 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-09-20 14:47:16,949 INFO L422 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add RNE (fp.mul RNE .cse0 .cse0) .cse0) main_~res~0))) [2018-09-20 14:47:16,949 INFO L426 ceAbstractionStarter]: For program point L143-1(lines 143 146) no Hoare annotation was computed. [2018-09-20 14:47:16,949 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 132 149) the Hoare annotation is: true [2018-09-20 14:47:16,949 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 132 149) no Hoare annotation was computed. [2018-09-20 14:47:16,949 INFO L422 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0) [2018-09-20 14:47:16,949 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-20 14:47:16,949 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 132 149) no Hoare annotation was computed. [2018-09-20 14:47:16,950 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2018-09-20 14:47:16,955 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,956 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,956 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,956 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,969 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,969 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,969 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,970 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,973 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:16,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:47:16 BoogieIcfgContainer [2018-09-20 14:47:16,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:47:16,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:47:16,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:47:16,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:47:16,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:46:07" (3/4) ... [2018-09-20 14:47:16,993 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:47:17,001 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-20 14:47:17,001 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:47:17,001 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:47:17,002 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:47:17,009 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-09-20 14:47:17,010 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-09-20 14:47:17,011 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-20 14:47:17,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 14:47:17,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) [2018-09-20 14:47:17,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) [2018-09-20 14:47:17,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) [2018-09-20 14:47:17,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) [2018-09-20 14:47:17,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) [2018-09-20 14:47:17,098 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:47:17,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:47:17,099 INFO L168 Benchmark]: Toolchain (without parser) took 75960.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.9 MB in the beginning and 885.9 MB in the end (delta: 66.0 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:17,101 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:47:17,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:17,102 INFO L168 Benchmark]: Boogie Preprocessor took 103.98 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:47:17,102 INFO L168 Benchmark]: RCFGBuilder took 5774.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:17,103 INFO L168 Benchmark]: TraceAbstraction took 69520.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.8 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:17,105 INFO L168 Benchmark]: Witness Printer took 111.78 ms. Allocated memory is still 1.2 GB. Free memory was 892.8 MB in the beginning and 885.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-09-20 14:47:17,114 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 440.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.98 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5774.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69520.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.8 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. * Witness Printer took 111.78 ms. Allocated memory is still 1.2 GB. Free memory was 892.8 MB in the beginning and 885.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 120]: Loop Invariant [2018-09-20 14:47:17,125 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,125 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,125 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,132 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,133 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) - InvariantResult [Line: 45]: Loop Invariant [2018-09-20 14:47:17,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,135 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) - InvariantResult [Line: 82]: Loop Invariant [2018-09-20 14:47:17,140 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,140 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,140 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,140 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,144 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 69]: Loop Invariant [2018-09-20 14:47:17,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,147 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,148 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,149 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,149 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,149 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) - InvariantResult [Line: 50]: Loop Invariant [2018-09-20 14:47:17,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,154 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] [2018-09-20 14:47:17,154 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_4,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_4 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_4[63:63], v_q#valueAsBitvector_4[62:52], v_q#valueAsBitvector_4[51:0]) && !(2146435072bv32 == ~bvand32(v_q#valueAsBitvector_4[63:32], 2146435072bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 87 locations, 1 error locations. SAFE Result, 69.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 48.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 297 SDtfs, 287 SDslu, 946 SDs, 0 SdLazy, 228 SolverSat, 21 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 25.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 38.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 17 PreInvPairs, 26 NumberOfFragments, 165 HoareAnnotationTreeSize, 17 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 33 QuantifiedInterpolants, 26064 SizeOfPredicates, 18 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...