/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0460_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_0460_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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 ............................................................................................................................................................................................................................................................................................................................ 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_0460_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 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:30:54,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:30:54,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:30:54,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:30:54,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:30:54,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:30:54,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:30:54,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:30:54,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:30:54,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:30:54,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:30:54,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:30:54,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:30:54,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:30:54,981 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:30:54,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:30:54,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:30:54,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:30:54,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:30:54,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:30:55,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:30:55,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:30:55,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:30:55,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:30:55,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:30:55,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:30:55,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:30:55,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:30:55,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:30:55,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:30:55,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:30:55,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:30:55,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:30:55,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:30:55,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:30:55,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:30:55,016 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:30:55,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:30:55,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:30:55,033 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:30:55,033 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:30:55,034 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:30:55,034 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:30:55,034 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:30:55,034 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:30:55,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:30:55,036 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:30:55,036 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:30:55,036 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:30:55,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:30:55,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:30:55,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:30:55,037 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:30:55,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:30:55,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:30:55,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:30:55,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:30:55,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:30:55,038 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:30:55,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:30:55,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:30:55,038 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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-09-20 14:30:55,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:30:55,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:30:55,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:30:55,137 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:30:55,138 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:30:55,139 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-09-20 14:30:55,551 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503ed8ffc/2b565463965e4ef2bebcbc962d9ef1dc/FLAG6fc242e6d [2018-09-20 14:30:55,744 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:30:55,748 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-09-20 14:30:55,762 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503ed8ffc/2b565463965e4ef2bebcbc962d9ef1dc/FLAG6fc242e6d [2018-09-20 14:30:55,784 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/503ed8ffc/2b565463965e4ef2bebcbc962d9ef1dc [2018-09-20 14:30:55,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:30:55,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:30:55,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:30:55,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:30:55,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:30:55,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:30:55" (1/1) ... [2018-09-20 14:30:55,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a0a11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:55, skipping insertion in model container [2018-09-20 14:30:55,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:30:55" (1/1) ... [2018-09-20 14:30:55,817 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:30:56,174 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:30:56,202 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:30:56,255 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:30:56,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56 WrapperNode [2018-09-20 14:30:56,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:30:56,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:30:56,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:30:56,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:30:56,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (1/1) ... [2018-09-20 14:30:56,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:30:56,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:30:56,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:30:56,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:30:56,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (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 14:30:56,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:30:56,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:30:56,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:30:56,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-09-20 14:30:56,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:30:56,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:30:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:30:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:30:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:30:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 14:30:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 14:30:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 14:30:57,773 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:30:57,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:30:57 BoogieIcfgContainer [2018-09-20 14:30:57,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:30:57,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:30:57,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:30:57,779 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:30:57,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:30:55" (1/3) ... [2018-09-20 14:30:57,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5359a6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:30:57, skipping insertion in model container [2018-09-20 14:30:57,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:30:56" (2/3) ... [2018-09-20 14:30:57,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5359a6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:30:57, skipping insertion in model container [2018-09-20 14:30:57,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:30:57" (3/3) ... [2018-09-20 14:30:57,783 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-09-20 14:30:57,794 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:30:57,803 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:30:57,858 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:30:57,859 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:30:57,859 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:30:57,859 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:30:57,860 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:30:57,860 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:30:57,860 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:30:57,860 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:30:57,860 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:30:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-09-20 14:30:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-20 14:30:57,896 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:30:57,897 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] [2018-09-20 14:30:57,900 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:30:57,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1134293792, now seen corresponding path program 1 times [2018-09-20 14:30:57,908 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:30:57,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:30:57,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:30:57,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:30:57,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:30:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:30:58,093 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 14:30:58,096 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:30:58,098 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:30:58,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:30:58,119 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:30:58,121 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:30:58,123 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-09-20 14:30:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:30:58,182 INFO L93 Difference]: Finished difference Result 265 states and 350 transitions. [2018-09-20 14:30:58,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:30:58,184 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-20 14:30:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:30:58,200 INFO L225 Difference]: With dead ends: 265 [2018-09-20 14:30:58,200 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 14:30:58,206 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 14:30:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 14:30:58,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-09-20 14:30:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-20 14:30:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2018-09-20 14:30:58,269 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 24 [2018-09-20 14:30:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:30:58,269 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2018-09-20 14:30:58,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:30:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2018-09-20 14:30:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-20 14:30:58,272 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:30:58,272 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 14:30:58,272 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:30:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash -289607578, now seen corresponding path program 1 times [2018-09-20 14:30:58,273 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 14:30:58,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 14:30:58,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:30:58,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:30:58,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 14:30:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:30:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 14:30:58,414 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 14:30:58,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:30:58 BoogieIcfgContainer [2018-09-20 14:30:58,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:30:58,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:30:58,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:30:58,471 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:30:58,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:30:57" (3/4) ... [2018-09-20 14:30:58,476 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 14:30:58,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:30:58,477 INFO L168 Benchmark]: Toolchain (without parser) took 2689.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-09-20 14:30:58,480 INFO L168 Benchmark]: CDTParser took 0.23 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 14:30:58,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:30:58,482 INFO L168 Benchmark]: Boogie Preprocessor took 120.90 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:30:58,483 INFO L168 Benchmark]: RCFGBuilder took 1333.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-09-20 14:30:58,484 INFO L168 Benchmark]: TraceAbstraction took 694.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:30:58,485 INFO L168 Benchmark]: Witness Printer took 6.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:30:58,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 522.91 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.90 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1333.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 694.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 132, overapproximation of bitwiseAnd at line 150, overapproximation of someBinaryArithmeticDOUBLEoperation at line 169, overapproximation of someBinaryDOUBLEComparisonOperation at line 213. Possible FailurePath: [L15] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L127-L140] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [\old(one_acos)=6442450962, \old(one_sqrt)=6442450954, \old(pi)=6442450957, \old(pi)=6442450965, \old(pi)=6442450952, \old(pS0_acos)=6442450945, \old(pS1_acos)=6442450963, \old(pS2_acos)=6442450964, \old(pS3_acos)=6442450950, \old(pS4_acos)=6442450955, \old(pS5_acos)=6442450966, \old(qS1_acos)=6442450949, \old(qS2_acos)=6442450958, \old(qS3_acos)=6442450960, \old(qS4_acos)=6442450951, \old(tiny_sqrt)=6442450961, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L221] double x = __VERIFIER_nondet_double(); [L223] COND TRUE x < -1.0 || x > 1.0 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L225] CALL, EXPR __ieee754_acos(x) VAL [\old(x)=6442450953, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] double z, p, q, r, w, s, c, df; [L144] __int32_t hx, ix; VAL [\old(x)=6442450953, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L146] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=6442450953, gh_u={6442450947:0}, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L147] FCALL gh_u.value = (x) VAL [\old(x)=6442450953, gh_u={6442450947:0}, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L148] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=6442450953, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L148] (hx) = gh_u.parts.msw VAL [\old(x)=6442450953, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, hx=-2147483648, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L148] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=6442450956, \old(x)=6442450953, gh_u={6442450947:0}, gh_u.parts.msw=6442450944, hx=-2147483648, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L149] COND FALSE !(0) VAL [\old(x)=6442450953, hx=-2147483648, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L150] ix = hx & 0x7fffffff VAL [\old(x)=6442450953, hx=-2147483648, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L151] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=6442450953, hx=-2147483648, ix=1012924417, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L166] COND TRUE ix < 0x3fe00000 VAL [\old(x)=6442450953, hx=-2147483648, ix=1012924417, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L167] COND FALSE !(ix <= 0x3c600000) [L169] z = x * x [L170-L173] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L174-L175] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L176] r = p / q [L177] RET return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [\old(x)=6442450953, hx=-2147483648, ix=1012924417, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L225] EXPR __ieee754_acos(x) VAL [__ieee754_acos(x)=6442450948, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L225] double res = __ieee754_acos(x); [L228] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450948, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L213] RET return x != x; VAL [\old(x)=6442450948, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450948] [L228] EXPR isnan_double(res) VAL [isnan_double(res)=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 137 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 164 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=137occurred 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 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 14:31:00,796 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:31:00,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:31:00,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:31:00,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:31:00,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:31:00,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:31:00,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:31:00,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:31:00,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:31:00,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:31:00,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:31:00,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:31:00,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:31:00,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:31:00,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:31:00,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:31:00,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:31:00,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:31:00,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:31:00,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:31:00,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:31:00,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:31:00,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:31:00,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:31:00,846 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:31:00,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:31:00,848 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:31:00,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:31:00,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:31:00,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:31:00,851 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:31:00,851 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:31:00,851 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:31:00,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:31:00,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:31:00,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:31:00,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:31:00,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:31:00,880 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:31:00,881 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:31:00,882 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:31:00,883 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:31:00,883 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:31:00,884 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:31:00,884 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:31:00,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:31:00,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:31:00,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:31:00,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:31:00,885 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:31:00,885 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:31:00,885 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:31:00,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:31:00,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:31:00,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:31:00,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:31:00,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:31:00,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:31:00,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:31:00,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:31:00,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:31:00,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:31:00,889 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:31:00,889 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:31:00,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:31:00,890 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:31:00,890 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:31:00,890 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 -> 0a68a8d22c43d5d5da66a3ce312fb10a795a70b2 [2018-09-20 14:31:00,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:31:00,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:31:00,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:31:00,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:31:00,997 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:31:00,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-09-20 14:31:01,348 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd11d6ec/8dfbad23f9974ab68f015bce6ff0493a/FLAG66c73f55b [2018-09-20 14:31:01,533 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:31:01,533 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0460_true-unreach-call.c [2018-09-20 14:31:01,541 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd11d6ec/8dfbad23f9974ab68f015bce6ff0493a/FLAG66c73f55b [2018-09-20 14:31:01,557 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd11d6ec/8dfbad23f9974ab68f015bce6ff0493a [2018-09-20 14:31:01,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:31:01,567 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:31:01,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:01,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:31:01,575 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:31:01,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:01" (1/1) ... [2018-09-20 14:31:01,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5ababe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:01, skipping insertion in model container [2018-09-20 14:31:01,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:31:01" (1/1) ... [2018-09-20 14:31:01,591 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:31:01,970 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:01,994 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:31:02,044 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:31:02,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02 WrapperNode [2018-09-20 14:31:02,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:31:02,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:31:02,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:31:02,098 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:31:02,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (1/1) ... [2018-09-20 14:31:02,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:31:02,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:31:02,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:31:02,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:31:02,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (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 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acos [2018-09-20 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 14:31:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:31:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acos [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:31:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:31:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:31:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:31:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:31:02,616 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:02,643 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:02,732 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:02,758 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:14,135 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:17,300 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:22,446 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:22,462 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:31:22,497 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:31:22,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:22 BoogieIcfgContainer [2018-09-20 14:31:22,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:31:22,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:31:22,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:31:22,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:31:22,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:31:01" (1/3) ... [2018-09-20 14:31:22,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587ffce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:22, skipping insertion in model container [2018-09-20 14:31:22,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:31:02" (2/3) ... [2018-09-20 14:31:22,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587ffce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:31:22, skipping insertion in model container [2018-09-20 14:31:22,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:22" (3/3) ... [2018-09-20 14:31:22,506 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460_true-unreach-call.c [2018-09-20 14:31:22,515 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:31:22,524 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:31:22,575 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:31:22,575 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:31:22,576 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:31:22,576 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:31:22,576 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:31:22,576 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:31:22,577 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:31:22,577 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:31:22,577 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:31:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-09-20 14:31:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 14:31:22,610 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:22,611 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] [2018-09-20 14:31:22,614 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:22,620 INFO L82 PathProgramCache]: Analyzing trace with hash -220363091, now seen corresponding path program 1 times [2018-09-20 14:31:22,625 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:31:22,626 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:31:22,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:27,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:31:27,447 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 14:31:27,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:31:27,555 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:31:27,556 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:31:27,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:31:27,577 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:31:27,578 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:31:27,581 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-09-20 14:31:27,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:31:27,625 INFO L93 Difference]: Finished difference Result 263 states and 348 transitions. [2018-09-20 14:31:27,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:31:27,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-09-20 14:31:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:31:27,642 INFO L225 Difference]: With dead ends: 263 [2018-09-20 14:31:27,643 INFO L226 Difference]: Without dead ends: 131 [2018-09-20 14:31:27,649 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 14:31:27,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-20 14:31:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-09-20 14:31:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-20 14:31:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 157 transitions. [2018-09-20 14:31:27,711 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 157 transitions. Word has length 23 [2018-09-20 14:31:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:31:27,712 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 157 transitions. [2018-09-20 14:31:27,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:31:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2018-09-20 14:31:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-20 14:31:27,714 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:27,715 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 14:31:27,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:27,716 INFO L82 PathProgramCache]: Analyzing trace with hash 951860071, now seen corresponding path program 1 times [2018-09-20 14:31:27,717 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:31:27,717 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 14:31:27,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:32,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:31:32,560 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 14:31:32,567 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 14:31:32,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:31:32,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:31:32,600 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 14:31:32,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:31:32,703 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 14:31:32,710 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 14:31:32,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:31:32,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:31:32,748 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 14:31:32,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:31:33,395 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 14:31:33,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:31:33,503 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:31:33,503 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:31:33,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:31:33,505 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:31:33,507 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:31:33,507 INFO L87 Difference]: Start difference. First operand 131 states and 157 transitions. Second operand 10 states. [2018-09-20 14:31:34,484 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:31:35,090 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-09-20 14:31:50,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:31:50,051 INFO L93 Difference]: Finished difference Result 147 states and 172 transitions. [2018-09-20 14:31:50,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:31:50,052 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2018-09-20 14:31:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:31:50,057 INFO L225 Difference]: With dead ends: 147 [2018-09-20 14:31:50,057 INFO L226 Difference]: Without dead ends: 117 [2018-09-20 14:31:50,059 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:31:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-09-20 14:31:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2018-09-20 14:31:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-20 14:31:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 137 transitions. [2018-09-20 14:31:50,074 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 137 transitions. Word has length 32 [2018-09-20 14:31:50,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:31:50,075 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 137 transitions. [2018-09-20 14:31:50,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:31:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 137 transitions. [2018-09-20 14:31:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-20 14:31:50,077 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:31:50,077 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, 1, 1, 1, 1, 1, 1] [2018-09-20 14:31:50,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:31:50,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1869333821, now seen corresponding path program 1 times [2018-09-20 14:31:50,078 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:31:50,078 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 14:31:50,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:31:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:31:51,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:31:53,663 WARN L797 $PredicateComparison]: unable to prove that (exists ((__ieee754_acos_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.sub RNE __ieee754_acos_~x __ieee754_acos_~x))) (fp.div RNE .cse0 .cse0)) |c___ieee754_acos_#res|)) is different from false [2018-09-20 14:32:01,236 WARN L178 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 14:32:13,191 WARN L178 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 14:32:27,382 WARN L797 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_acos_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.sub RNE __ieee754_acos_~x __ieee754_acos_~x))) (fp.div RNE .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (bvadd |c_main_#t~ret17| (_ bv4294967295 32)) (_ bv0 32))) is different from false [2018-09-20 14:32:27,406 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 14:32:27,407 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:27,437 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:27,437 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-20 14:32:27,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-20 14:32:27,438 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-20 14:32:27,438 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=12, Unknown=5, NotChecked=14, Total=42 [2018-09-20 14:32:27,439 INFO L87 Difference]: Start difference. First operand 115 states and 137 transitions. Second operand 7 states. [2018-09-20 14:32:38,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:38,776 INFO L93 Difference]: Finished difference Result 122 states and 144 transitions. [2018-09-20 14:32:39,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-20 14:32:39,186 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-09-20 14:32:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:39,188 INFO L225 Difference]: With dead ends: 122 [2018-09-20 14:32:39,188 INFO L226 Difference]: Without dead ends: 115 [2018-09-20 14:32:39,189 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=11, Invalid=12, Unknown=5, NotChecked=14, Total=42 [2018-09-20 14:32:39,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-09-20 14:32:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-09-20 14:32:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-20 14:32:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2018-09-20 14:32:39,202 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 41 [2018-09-20 14:32:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:39,202 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2018-09-20 14:32:39,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-20 14:32:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2018-09-20 14:32:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-20 14:32:39,205 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:32:39,205 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:32:39,205 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:32:39,205 INFO L82 PathProgramCache]: Analyzing trace with hash 552482846, now seen corresponding path program 1 times [2018-09-20 14:32:39,206 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:32:39,206 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:32:39,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:32:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:32:39,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:32:39,448 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 14:32:39,455 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 14:32:39,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:39,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:39,693 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 14:32:39,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:32:39,799 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 14:32:39,807 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 14:32:39,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:39,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:39,888 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 14:32:39,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:32:40,153 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 12 treesize of output 9 [2018-09-20 14:32:40,161 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 9 treesize of output 8 [2018-09-20 14:32:40,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:40,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:40,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:40,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:32:40,292 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 16 treesize of output 12 [2018-09-20 14:32:40,298 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 12 treesize of output 4 [2018-09-20 14:32:40,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:40,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:40,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:32:40,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:40, output treesize:29 [2018-09-20 14:32:40,696 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 14:32:40,696 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:40,707 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:40,708 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-20 14:32:40,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-20 14:32:40,708 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-20 14:32:40,709 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-09-20 14:32:40,709 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand 12 states. [2018-09-20 14:32:41,708 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 14:32:46,040 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-09-20 14:32:46,376 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-20 14:32:46,845 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-09-20 14:32:47,218 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-09-20 14:32:47,674 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-20 14:32:48,010 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-09-20 14:32:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:32:49,554 INFO L93 Difference]: Finished difference Result 125 states and 145 transitions. [2018-09-20 14:32:49,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-20 14:32:49,557 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-09-20 14:32:49,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:32:49,560 INFO L225 Difference]: With dead ends: 125 [2018-09-20 14:32:49,560 INFO L226 Difference]: Without dead ends: 103 [2018-09-20 14:32:49,561 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-09-20 14:32:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-09-20 14:32:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-09-20 14:32:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-09-20 14:32:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2018-09-20 14:32:49,603 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 42 [2018-09-20 14:32:49,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:32:49,604 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2018-09-20 14:32:49,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-20 14:32:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2018-09-20 14:32:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-20 14:32:49,612 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:32:49,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:32:49,613 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:32:49,613 INFO L82 PathProgramCache]: Analyzing trace with hash 2001237955, now seen corresponding path program 1 times [2018-09-20 14:32:49,615 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:32:49,615 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:32:49,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:32:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:32:54,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:32:54,923 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 14:32:54,928 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 14:32:54,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:54,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:54,954 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 14:32:54,954 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:32:54,994 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 14:32:55,000 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 14:32:55,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:32:55,005 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:32:55,017 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 14:32:55,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:32:55,463 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 14:32:55,463 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:32:55,535 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:32:55,536 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 14:32:55,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 14:32:55,536 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 14:32:55,537 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-20 14:32:55,537 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 10 states. [2018-09-20 14:32:56,980 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-09-20 14:33:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:33:00,811 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2018-09-20 14:33:00,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 14:33:00,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2018-09-20 14:33:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:33:00,813 INFO L225 Difference]: With dead ends: 103 [2018-09-20 14:33:00,813 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 14:33:00,815 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:33:00,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 14:33:00,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 14:33:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 14:33:00,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 14:33:00,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2018-09-20 14:33:00,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:33:00,818 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 14:33:00,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 14:33:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 14:33:00,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 14:33:00,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 14:33:11,456 WARN L178 SmtUtils]: Spent 10.45 s on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 14:33:11,736 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2018-09-20 14:33:11,790 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 17 125) the Hoare annotation is: true [2018-09-20 14:33:11,790 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 14:33:11,790 INFO L426 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-09-20 14:33:11,790 INFO L426 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-09-20 14:33:11,790 INFO L426 ceAbstractionStarter]: For program point L27-3(line 27) no Hoare annotation was computed. [2018-09-20 14:33:11,790 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 17 125) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L118-1(lines 118 123) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L429 ceAbstractionStarter]: At program point L118-3(lines 118 123) the Hoare annotation is: true [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L118-4(lines 118 123) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2018-09-20 14:33:11,791 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2018-09-20 14:33:11,792 INFO L426 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2018-09-20 14:33:11,792 INFO L426 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2018-09-20 14:33:11,792 INFO L426 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-09-20 14:33:11,792 INFO L426 ceAbstractionStarter]: For program point L119-2(line 119) no Hoare annotation was computed. [2018-09-20 14:33:11,792 INFO L426 ceAbstractionStarter]: For program point L119-3(line 119) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2018-09-20 14:33:11,796 INFO L426 ceAbstractionStarter]: For program point L80-1(lines 80 96) no Hoare annotation was computed. [2018-09-20 14:33:11,797 INFO L429 ceAbstractionStarter]: At program point L80-3(lines 80 96) the Hoare annotation is: true [2018-09-20 14:33:11,797 INFO L426 ceAbstractionStarter]: For program point L80-4(lines 17 125) no Hoare annotation was computed. [2018-09-20 14:33:11,797 INFO L426 ceAbstractionStarter]: For program point L105(lines 105 110) no Hoare annotation was computed. [2018-09-20 14:33:11,797 INFO L426 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-09-20 14:33:11,797 INFO L426 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-09-20 14:33:11,799 INFO L426 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2018-09-20 14:33:11,799 INFO L426 ceAbstractionStarter]: For program point L122-2(line 122) no Hoare annotation was computed. [2018-09-20 14:33:11,800 INFO L426 ceAbstractionStarter]: For program point L122-3(line 122) no Hoare annotation was computed. [2018-09-20 14:33:11,800 INFO L426 ceAbstractionStarter]: For program point L23-1(lines 23 28) no Hoare annotation was computed. [2018-09-20 14:33:11,800 INFO L426 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2018-09-20 14:33:11,800 INFO L429 ceAbstractionStarter]: At program point L23-3(lines 23 28) the Hoare annotation is: true [2018-09-20 14:33:11,800 INFO L426 ceAbstractionStarter]: For program point L23-4(lines 17 125) no Hoare annotation was computed. [2018-09-20 14:33:11,801 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L429 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 107) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L106-2(lines 106 107) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L98(lines 98 112) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 17 125) no Hoare annotation was computed. [2018-09-20 14:33:11,802 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L115-2(lines 115 116) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-20 14:33:11,803 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 111) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L67-1(lines 67 77) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L426 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2018-09-20 14:33:11,807 INFO L429 ceAbstractionStarter]: At program point L67-3(lines 67 77) the Hoare annotation is: true [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L67-4(lines 67 77) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L429 ceAbstractionStarter]: At program point L43-3(lines 43 47) the Hoare annotation is: true [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L43-4(lines 43 47) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-09-20 14:33:11,808 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 213) the Hoare annotation is: true [2018-09-20 14:33:11,809 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 213) no Hoare annotation was computed. [2018-09-20 14:33:11,809 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 213) no Hoare annotation was computed. [2018-09-20 14:33:11,809 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:33:11,809 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:33:11,809 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:33:11,809 INFO L422 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_9|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)))) (and (not (bvsge .cse0 (_ bv1072693248 32))) (not (bvsle .cse0 (_ bv1012924416 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 162) no Hoare annotation was computed. [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point L151(lines 151 165) no Hoare annotation was computed. [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-20 14:33:11,814 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosEXIT(lines 142 211) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosENTRY(lines 142 211) the Hoare annotation is: true [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L156-2(line 156) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-20 14:33:11,815 INFO L426 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-09-20 14:33:11,818 INFO L426 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosFINAL(lines 142 211) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point L198-2(line 198) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point L198-3(line 198) no Hoare annotation was computed. [2018-09-20 14:33:11,819 INFO L426 ceAbstractionStarter]: For program point L194-1(lines 194 199) no Hoare annotation was computed. [2018-09-20 14:33:11,820 INFO L422 ceAbstractionStarter]: At program point L194-3(lines 194 199) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))) (= ((_ extract 63 32) |v_q#valueAsBitvector_9|) __ieee754_acos_~hx~0))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|))))) (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_9|) (_ bv2147483647 32)))) (and (not (bvsge .cse0 (_ bv1072693248 32))) (not (bvsle .cse0 (_ bv1012924416 32))) (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:33:11,820 INFO L426 ceAbstractionStarter]: For program point L194-4(lines 194 199) no Hoare annotation was computed. [2018-09-20 14:33:11,820 INFO L422 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_12| (_ BitVec 64))) (let ((.cse0 (bvand ((_ extract 63 32) |v_q#valueAsBitvector_12|) (_ bv2147483647 32)))) (and (= |__ieee754_acos_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_12|) ((_ extract 62 52) |v_q#valueAsBitvector_12|) ((_ extract 51 0) |v_q#valueAsBitvector_12|))) (not (bvsge .cse0 (_ bv1072693248 32))) (not (bvslt .cse0 (_ bv1071644672 32)))))) [2018-09-20 14:33:11,820 INFO L426 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-09-20 14:33:11,820 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 153 157) no Hoare annotation was computed. [2018-09-20 14:33:11,820 INFO L422 ceAbstractionStarter]: At program point L153-3(lines 153 157) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= (bvand ((_ extract 63 32) |v_q#valueAsBitvector_10|) (_ bv2147483647 32)) __ieee754_acos_~ix~0) (= __ieee754_acos_~x (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (exists ((|v_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_q#valueAsBitvector_10|) __ieee754_acos_~hx~0) (= __ieee754_acos_~x (fp ((_ extract 63 63) |v_q#valueAsBitvector_10|) ((_ extract 62 52) |v_q#valueAsBitvector_10|) ((_ extract 51 0) |v_q#valueAsBitvector_10|))))) (= |__ieee754_acos_#in~x| __ieee754_acos_~x)) [2018-09-20 14:33:11,823 INFO L426 ceAbstractionStarter]: For program point L153-4(lines 151 165) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L178(lines 178 210) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L145-1(lines 145 149) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L422 ceAbstractionStarter]: At program point L145-3(lines 145 149) the Hoare annotation is: (= |__ieee754_acos_#in~x| __ieee754_acos_~x) [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L145-4(lines 145 149) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L166(lines 166 210) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2018-09-20 14:33:11,824 INFO L426 ceAbstractionStarter]: For program point L195-2(line 195) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L195-3(line 195) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L154-2(line 154) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L154-3(line 154) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L146-2(line 146) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L146-3(line 146) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L167(lines 167 168) no Hoare annotation was computed. [2018-09-20 14:33:11,825 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-20 14:33:11,826 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 14:33:11,826 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 14:33:11,826 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 14:33:11,826 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 14:33:11,826 INFO L422 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-09-20 14:33:11,826 INFO L426 ceAbstractionStarter]: For program point L225-1(line 225) no Hoare annotation was computed. [2018-09-20 14:33:11,830 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 232) no Hoare annotation was computed. [2018-09-20 14:33:11,831 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 215 235) the Hoare annotation is: true [2018-09-20 14:33:11,831 INFO L426 ceAbstractionStarter]: For program point L223-2(lines 223 232) no Hoare annotation was computed. [2018-09-20 14:33:11,831 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 215 235) no Hoare annotation was computed. [2018-09-20 14:33:11,831 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2018-09-20 14:33:11,831 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 215 235) no Hoare annotation was computed. [2018-09-20 14:33:11,831 INFO L426 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-09-20 14:33:11,832 INFO L422 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 11 53) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) (exists ((__ieee754_acos_~x (_ FloatingPoint 11 53))) (= (let ((.cse1 (fp.sub RNE __ieee754_acos_~x __ieee754_acos_~x))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-09-20 14:33:11,832 INFO L426 ceAbstractionStarter]: For program point L228-1(lines 228 231) no Hoare annotation was computed. [2018-09-20 14:33:11,850 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,852 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,852 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,852 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,852 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,853 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,853 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,853 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,856 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,856 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,857 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,857 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,857 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,857 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,859 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,859 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:11,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,862 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,862 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,862 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,862 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,864 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,865 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,865 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,865 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,866 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,868 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,870 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,870 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,870 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,870 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,870 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,871 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:11,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 02:33:11 BoogieIcfgContainer [2018-09-20 14:33:11,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 14:33:11,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 14:33:11,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 14:33:11,878 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 14:33:11,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:31:22" (3/4) ... [2018-09-20 14:33:11,884 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 14:33:11,893 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-20 14:33:11,893 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 14:33:11,893 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 14:33:11,893 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_acos [2018-09-20 14:33:11,895 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 14:33:11,904 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-09-20 14:33:11,905 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-09-20 14:33:11,906 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-09-20 14:33:11,906 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 14:33:11,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 14:33:11,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_10 : bv64 :: ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) == ix && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0])) && (\exists v_q#valueAsBitvector_10 : bv64 :: v_q#valueAsBitvector_10[63:32] == hx && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && \old(x) == x [2018-09-20 14:33:11,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_q#valueAsBitvector_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) && v_q#valueAsBitvector_9[63:32] == hx) && (\exists v_q#valueAsBitvector_9 : bv64 :: ~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && (\exists v_q#valueAsBitvector_9 : bv64 :: (!~bvsge32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1072693248bv32) && !~bvsle32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1012924416bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && \old(x) == x [2018-09-20 14:33:12,009 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 14:33:12,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 14:33:12,011 INFO L168 Benchmark]: Toolchain (without parser) took 130445.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:33:12,012 INFO L168 Benchmark]: CDTParser took 0.24 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 14:33:12,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:33:12,013 INFO L168 Benchmark]: Boogie Preprocessor took 71.71 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:33:12,013 INFO L168 Benchmark]: RCFGBuilder took 20328.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-09-20 14:33:12,014 INFO L168 Benchmark]: TraceAbstraction took 109378.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:33:12,014 INFO L168 Benchmark]: Witness Printer took 132.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-09-20 14:33:12,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 528.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.71 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 20328.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 109378.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * Witness Printer took 132.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: 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: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant [2018-09-20 14:33:12,030 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,030 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,030 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,034 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,034 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,034 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,034 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,034 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,035 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,035 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,036 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] [2018-09-20 14:33:12,041 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_10,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_10 : bv64 :: ~bvand32(v_q#valueAsBitvector_10[63:32], 2147483647bv32) == ix && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0])) && (\exists v_q#valueAsBitvector_10 : bv64 :: v_q#valueAsBitvector_10[63:32] == hx && x == ~fp~LONGDOUBLE(v_q#valueAsBitvector_10[63:63], v_q#valueAsBitvector_10[62:52], v_q#valueAsBitvector_10[51:0]))) && \old(x) == x - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant [2018-09-20 14:33:12,042 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,042 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,042 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,042 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,043 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,047 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,047 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,047 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,048 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,048 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,048 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,049 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,053 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,053 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,053 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-09-20 14:33:12,053 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: (((\exists v_q#valueAsBitvector_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) && v_q#valueAsBitvector_9[63:32] == hx) && (\exists v_q#valueAsBitvector_9 : bv64 :: ~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && (\exists v_q#valueAsBitvector_9 : bv64 :: (!~bvsge32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1072693248bv32) && !~bvsle32(~bvand32(v_q#valueAsBitvector_9[63:32], 2147483647bv32), 1012924416bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]))) && \old(x) == x - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 136 locations, 1 error locations. SAFE Result, 109.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 42.5s AutomataDifference, 0.0s DeadEndRemovalTime, 10.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 660 SDtfs, 249 SDslu, 3091 SDs, 0 SdLazy, 361 SolverSat, 20 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 33.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 36.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 45 PreInvPairs, 63 NumberOfFragments, 237 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 14.1s SatisfiabilityAnalysisTime, 40.8s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 185 ConstructedInterpolants, 56 QuantifiedInterpolants, 58567 SizeOfPredicates, 32 NumberOfNonLiveVariables, 639 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...