/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b_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_0970b_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 c2b759759a3d71804d881b2ee189e6dc13f7a855 ......................................................................................................................................................................................................................................................................................................................... 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_0970b_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 c2b759759a3d71804d881b2ee189e6dc13f7a855 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:00:06,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:00:06,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:00:06,710 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:00:06,710 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:00:06,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:00:06,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:00:06,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:00:06,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:00:06,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:00:06,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:00:06,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:00:06,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:00:06,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:00:06,723 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:00:06,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:00:06,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:00:06,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:00:06,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:00:06,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:00:06,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:00:06,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:00:06,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:00:06,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:00:06,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:00:06,746 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:00:06,747 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:00:06,749 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:00:06,749 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:00:06,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:00:06,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:00:06,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:00:06,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:00:06,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:00:06,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:00:06,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:00:06,755 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:00:06,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:00:06,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:00:06,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:00:06,787 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:00:06,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:00:06,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:00:06,788 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:00:06,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:00:06,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:00:06,790 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:00:06,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:00:06,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:00:06,791 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:00:06,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:00:06,791 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:00:06,792 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:00:06,792 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:00:06,792 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:00:06,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:00:06,792 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:00:06,792 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:00:06,793 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:00:06,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:00:06,793 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:00:06,793 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:00:06,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:00:06,797 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:00:06,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:00:06,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:00:06,797 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-09-20 15:00:06,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:00:06,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:00:06,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:00:06,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:00:06,897 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:00:06,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:07,249 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1324620/0604561c5b5249f99f083ae8e99f3efa/FLAGe37708ac3 [2018-09-20 15:00:07,420 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:00:07,421 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:07,435 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1324620/0604561c5b5249f99f083ae8e99f3efa/FLAGe37708ac3 [2018-09-20 15:00:07,452 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1324620/0604561c5b5249f99f083ae8e99f3efa [2018-09-20 15:00:07,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:00:07,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:00:07,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:00:07,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:00:07,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:00:07,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be2242d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07, skipping insertion in model container [2018-09-20 15:00:07,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,490 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:00:07,838 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:00:07,857 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:00:07,899 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:00:07,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07 WrapperNode [2018-09-20 15:00:07,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:00:07,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:00:07,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:00:07,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:00:07,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:07,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:08,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:08,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (1/1) ... [2018-09-20 15:00:08,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:00:08,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:00:08,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:00:08,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:00:08,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (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 15:00:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:00:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:00:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 15:00:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-20 15:00:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:00:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:00:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:00:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:00:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:00:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:00:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:00:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:00:09,228 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:00:09,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:09 BoogieIcfgContainer [2018-09-20 15:00:09,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:00:09,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:00:09,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:00:09,234 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:00:09,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:00:07" (1/3) ... [2018-09-20 15:00:09,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d9917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:00:09, skipping insertion in model container [2018-09-20 15:00:09,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:07" (2/3) ... [2018-09-20 15:00:09,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d9917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:00:09, skipping insertion in model container [2018-09-20 15:00:09,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:09" (3/3) ... [2018-09-20 15:00:09,238 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:09,247 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:00:09,256 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:00:09,305 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:00:09,306 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:00:09,306 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:00:09,306 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:00:09,306 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:00:09,306 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:00:09,307 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:00:09,307 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:00:09,307 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:00:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-09-20 15:00:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:00:09,339 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:09,340 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] [2018-09-20 15:00:09,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:09,348 INFO L82 PathProgramCache]: Analyzing trace with hash -784564041, now seen corresponding path program 1 times [2018-09-20 15:00:09,351 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:00:09,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:00:09,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:00:09,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:00:09,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:00:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:00:09,530 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 15:00:09,533 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:00:09,533 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:00:09,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:00:09,554 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:00:09,556 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:00:09,559 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-09-20 15:00:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:00:09,598 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-09-20 15:00:09,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:00:09,600 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:00:09,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:00:09,614 INFO L225 Difference]: With dead ends: 228 [2018-09-20 15:00:09,614 INFO L226 Difference]: Without dead ends: 114 [2018-09-20 15:00:09,619 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 15:00:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-20 15:00:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-09-20 15:00:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-20 15:00:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2018-09-20 15:00:09,674 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 22 [2018-09-20 15:00:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:00:09,674 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2018-09-20 15:00:09,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:00:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2018-09-20 15:00:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-20 15:00:09,676 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:09,677 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:00:09,677 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:09,677 INFO L82 PathProgramCache]: Analyzing trace with hash 179181763, now seen corresponding path program 1 times [2018-09-20 15:00:09,678 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:00:09,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:00:09,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:00:09,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:00:09,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:00:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:00:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:00:09,894 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:00:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:00:09 BoogieIcfgContainer [2018-09-20 15:00:09,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:00:09,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:00:09,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:00:09,994 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:00:09,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:09" (3/4) ... [2018-09-20 15:00:09,999 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:00:09,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:00:10,000 INFO L168 Benchmark]: Toolchain (without parser) took 2543.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -105.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:00:10,003 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:00:10,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:00:10,005 INFO L168 Benchmark]: Boogie Preprocessor took 76.05 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:00:10,006 INFO L168 Benchmark]: RCFGBuilder took 1214.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:00:10,007 INFO L168 Benchmark]: TraceAbstraction took 762.69 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:00:10,010 INFO L168 Benchmark]: Witness Printer took 5.86 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 15:00:10,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.05 ms. Allocated memory is still 1.0 GB. Free memory is still 934.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1214.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 762.69 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.86 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: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of someBinaryArithmeticDOUBLEoperation at line 145. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=6441402372, \old(Lg1_log)=6441402391, \old(Lg2_log)=6441402394, \old(Lg3_log)=6441402371, \old(Lg4_log)=6441402375, \old(Lg5_log)=6441402377, \old(Lg6_log)=6441402387, \old(Lg7_log)=6441402384, \old(ln2_hi_log)=6441402374, \old(ln2_lo_log)=6441402379, \old(log10_2hi_log10)=6441402381, \old(log10_2lo_log10)=6441402386, \old(two54_log)=6441402388, \old(two54_log10)=6441402382, \old(zero)=6441402393, \old(zero_log10)=6441402378, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = -1.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=6441402385, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=6441402385, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L124] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=6441402385, ew_u={6441402389:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L125] FCALL ew_u.value = (x) VAL [\old(x)=6441402385, ew_u={6441402389:0}, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L126] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.msw=6441402370, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L126] (hx) = ew_u.parts.msw VAL [\old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.msw=6441402370, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L126] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=6441402392, \old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.msw=6441402370, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L127] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.lsw=6441402383, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L127] (lx) = ew_u.parts.lsw VAL [\old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.lsw=6441402383, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L127] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=6441402390, \old(x)=6441402385, ew_u={6441402389:0}, ew_u.parts.lsw=6441402383, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L128] COND FALSE !(0) VAL [\old(x)=6441402385, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L130] k = 0 VAL [\old(x)=6441402385, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L131] COND FALSE !(hx < 0x00100000) VAL [\old(x)=6441402385, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L144] COND TRUE hx >= 0x7ff00000 [L145] RET return x + x; VAL [\old(x)=6441402385, hx=2146435074, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2146435087, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L171] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=6441402376, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=6441402376, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] RET return x != x; VAL [\old(x)=6441402376, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402376, zero=0, zero_log10=0] [L174] EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6441402376, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6441402376, two54_log=18014398509481984, two54_log10=18014398509481984, x=6441402385, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 118 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 132 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=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 15:00:12,420 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:00:12,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:00:12,441 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:00:12,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:00:12,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:00:12,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:00:12,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:00:12,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:00:12,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:00:12,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:00:12,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:00:12,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:00:12,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:00:12,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:00:12,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:00:12,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:00:12,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:00:12,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:00:12,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:00:12,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:00:12,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:00:12,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:00:12,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:00:12,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:00:12,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:00:12,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:00:12,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:00:12,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:00:12,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:00:12,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:00:12,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:00:12,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:00:12,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:00:12,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:00:12,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:00:12,506 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:00:12,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:00:12,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:00:12,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:00:12,539 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:00:12,540 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:00:12,541 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:00:12,541 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:00:12,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:00:12,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:00:12,542 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:00:12,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:00:12,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:00:12,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:00:12,543 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:00:12,544 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:00:12,544 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:00:12,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:00:12,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:00:12,544 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:00:12,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:00:12,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:00:12,545 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:00:12,545 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:00:12,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:00:12,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:00:12,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:00:12,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:00:12,549 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:00:12,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:00:12,549 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:00:12,549 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:00:12,550 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-09-20 15:00:12,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:00:12,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:00:12,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:00:12,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:00:12,639 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:00:12,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:12,993 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2354843d6/4822d075e2ca4184b26695b859a03889/FLAG02e44e439 [2018-09-20 15:00:13,185 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:00:13,186 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:13,197 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2354843d6/4822d075e2ca4184b26695b859a03889/FLAG02e44e439 [2018-09-20 15:00:13,214 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2354843d6/4822d075e2ca4184b26695b859a03889 [2018-09-20 15:00:13,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:00:13,221 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:00:13,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:00:13,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:00:13,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:00:13,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4105a91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13, skipping insertion in model container [2018-09-20 15:00:13,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,245 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:00:13,589 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:00:13,619 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:00:13,685 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:00:13,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13 WrapperNode [2018-09-20 15:00:13,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:00:13,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:00:13,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:00:13,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:00:13,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (1/1) ... [2018-09-20 15:00:13,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:00:13,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:00:13,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:00:13,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:00:13,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (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 15:00:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:00:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:00:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-09-20 15:00:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-09-20 15:00:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:00:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:00:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:00:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:00:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:00:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:00:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:00:14,370 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:14,396 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:14,422 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:19,394 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:19,417 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:19,864 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:24,878 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:24,919 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:25,054 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:44,848 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:44,861 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:44,881 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:00:47,306 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:00:47,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:47 BoogieIcfgContainer [2018-09-20 15:00:47,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:00:47,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:00:47,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:00:47,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:00:47,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:00:13" (1/3) ... [2018-09-20 15:00:47,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a23da7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:00:47, skipping insertion in model container [2018-09-20 15:00:47,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:00:13" (2/3) ... [2018-09-20 15:00:47,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a23da7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:00:47, skipping insertion in model container [2018-09-20 15:00:47,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:47" (3/3) ... [2018-09-20 15:00:47,319 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-09-20 15:00:47,331 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:00:47,344 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:00:47,406 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:00:47,408 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:00:47,408 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:00:47,408 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:00:47,408 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:00:47,408 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:00:47,408 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:00:47,409 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:00:47,409 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:00:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-20 15:00:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:00:47,442 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:47,443 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] [2018-09-20 15:00:47,446 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:47,452 INFO L82 PathProgramCache]: Analyzing trace with hash 152353763, now seen corresponding path program 1 times [2018-09-20 15:00:47,458 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:00:47,460 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 15:00:47,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:00:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:00:47,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:00:47,776 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 15:00:47,776 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:00:47,796 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:00:47,796 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:00:47,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:00:47,817 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:00:47,818 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:00:47,821 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-09-20 15:00:47,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:00:47,863 INFO L93 Difference]: Finished difference Result 226 states and 281 transitions. [2018-09-20 15:00:47,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:00:47,866 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:00:47,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:00:47,880 INFO L225 Difference]: With dead ends: 226 [2018-09-20 15:00:47,880 INFO L226 Difference]: Without dead ends: 113 [2018-09-20 15:00:47,885 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 15:00:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-20 15:00:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-20 15:00:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-20 15:00:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2018-09-20 15:00:47,935 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 21 [2018-09-20 15:00:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:00:47,935 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2018-09-20 15:00:47,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:00:47,936 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2018-09-20 15:00:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-20 15:00:47,937 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:47,938 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:00:47,938 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:47,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1572343579, now seen corresponding path program 1 times [2018-09-20 15:00:47,939 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:00:47,940 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 15:00:47,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:00:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:00:48,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:00:48,233 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 15:00:48,241 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 15:00:48,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:48,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:48,273 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 15:00:48,273 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:00:48,354 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 15:00:48,369 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 15:00:48,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:48,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:48,446 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 15:00:48,447 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:00:48,722 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 15:00:48,722 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:00:48,740 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:00:48,740 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:00:48,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:00:48,743 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:00:48,743 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:00:48,744 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 8 states. [2018-09-20 15:00:49,332 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 15:00:49,884 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 15:00:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:00:57,625 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-09-20 15:00:57,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:00:57,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-20 15:00:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:00:57,632 INFO L225 Difference]: With dead ends: 142 [2018-09-20 15:00:57,633 INFO L226 Difference]: Without dead ends: 115 [2018-09-20 15:00:57,635 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:00:57,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-09-20 15:00:57,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2018-09-20 15:00:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-20 15:00:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2018-09-20 15:00:57,653 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 34 [2018-09-20 15:00:57,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:00:57,654 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2018-09-20 15:00:57,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:00:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2018-09-20 15:00:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-20 15:00:57,656 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:00:57,656 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:00:57,656 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:00:57,657 INFO L82 PathProgramCache]: Analyzing trace with hash -858241572, now seen corresponding path program 1 times [2018-09-20 15:00:57,658 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:00:57,658 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) [2018-09-20 15:00:57,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:00:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:00:58,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:00:58,721 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 15:00:58,731 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 15:00:58,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:58,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:58,760 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 15:00:58,761 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:00:58,806 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 15:00:58,812 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 15:00:58,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:00:58,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:00:58,836 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 15:00:58,837 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:00:59,042 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 15:00:59,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:00:59,068 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:00:59,068 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:00:59,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:00:59,069 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:00:59,069 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:00:59,070 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 8 states. [2018-09-20 15:00:59,350 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:01:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:01:08,411 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2018-09-20 15:01:08,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 15:01:08,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-09-20 15:01:08,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:01:08,416 INFO L225 Difference]: With dead ends: 125 [2018-09-20 15:01:08,416 INFO L226 Difference]: Without dead ends: 115 [2018-09-20 15:01:08,417 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:01:08,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-09-20 15:01:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2018-09-20 15:01:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-20 15:01:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-09-20 15:01:08,429 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 34 [2018-09-20 15:01:08,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:01:08,430 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-09-20 15:01:08,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:01:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-09-20 15:01:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-20 15:01:08,432 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:01:08,433 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:01:08,433 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:01:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash 554353977, now seen corresponding path program 1 times [2018-09-20 15:01:08,434 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:01:08,434 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 15:01:08,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:01:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:01:09,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:01:11,994 WARN L819 $PredicateComparison]: unable to prove that (and (= (fp.div RNE (fp.sub RNE |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-09-20 15:01:12,197 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 15:01:12,197 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:01:12,222 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:01:12,223 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-20 15:01:12,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-20 15:01:12,224 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-20 15:01:12,224 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-09-20 15:01:12,224 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 10 states. [2018-09-20 15:01:19,341 WARN L178 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:01:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:01:21,247 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2018-09-20 15:01:21,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 15:01:21,251 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-09-20 15:01:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:01:21,254 INFO L225 Difference]: With dead ends: 120 [2018-09-20 15:01:21,254 INFO L226 Difference]: Without dead ends: 113 [2018-09-20 15:01:21,255 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-09-20 15:01:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-20 15:01:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-20 15:01:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-20 15:01:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2018-09-20 15:01:21,267 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 35 [2018-09-20 15:01:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:01:21,268 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2018-09-20 15:01:21,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-20 15:01:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2018-09-20 15:01:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-20 15:01:21,270 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:01:21,271 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] [2018-09-20 15:01:21,271 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:01:21,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1956023416, now seen corresponding path program 1 times [2018-09-20 15:01:21,272 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:01:21,272 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) [2018-09-20 15:01:21,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:01:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:01:21,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:01:21,754 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 15:01:21,761 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 15:01:21,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:01:21,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:01:21,789 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 15:01:21,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:01:21,850 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 15:01:21,855 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 15:01:21,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:01:21,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:01:21,871 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 15:01:21,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:01:22,099 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 15:01:22,099 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:01:22,121 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:01:22,121 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:01:22,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:01:22,122 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:01:22,122 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:01:22,122 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand 8 states. [2018-09-20 15:01:22,537 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:01:25,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:01:25,148 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2018-09-20 15:01:25,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:01:25,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-09-20 15:01:25,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:01:25,151 INFO L225 Difference]: With dead ends: 113 [2018-09-20 15:01:25,152 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:01:25,154 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:01:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:01:25,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:01:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:01:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:01:25,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-20 15:01:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:01:25,156 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:01:25,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:01:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:01:25,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:01:25,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:01:25,508 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-20 15:01:25,760 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2018-09-20 15:01:25,911 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 18 [2018-09-20 15:01:26,110 INFO L429 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point L126-1(line 126) no Hoare annotation was computed. [2018-09-20 15:01:26,111 INFO L426 ceAbstractionStarter]: For program point L126-2(line 126) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L151-1(line 151) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L151-2(line 151) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L151-3(line 151) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L139-2(line 139) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L139-3(line 139) no Hoare annotation was computed. [2018-09-20 15:01:26,112 INFO L426 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L127-2(line 127) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L127-3(line 127) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-09-20 15:01:26,113 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-09-20 15:01:26,115 INFO L422 ceAbstractionStarter]: At program point L123-3(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-09-20 15:01:26,115 INFO L426 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-09-20 15:01:26,115 INFO L426 ceAbstractionStarter]: For program point L123-4(lines 123 128) no Hoare annotation was computed. [2018-09-20 15:01:26,115 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L124-2(line 124) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L124-3(line 124) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-09-20 15:01:26,116 INFO L426 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L429 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L154-2(line 154) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L154-3(line 154) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-09-20 15:01:26,117 INFO L422 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_15|) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log10_#in~x|))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-09-20 15:01:26,118 INFO L422 ceAbstractionStarter]: At program point L150-4(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_15|) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log10_#in~x|))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-09-20 15:01:26,118 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-09-20 15:01:26,118 INFO L422 ceAbstractionStarter]: At program point L138-3(lines 138 142) the Hoare annotation is: (or (and (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_15|) (_ bv0 32))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log10_#in~x|))) (exists ((|v_q#valueAsBitvector_15| (_ BitVec 64))) (and (= __ieee754_log10_~hx~1 ((_ extract 63 32) |v_q#valueAsBitvector_15|)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_15|) ((_ extract 62 52) |v_q#valueAsBitvector_15|) ((_ extract 51 0) |v_q#valueAsBitvector_15|)) |__ieee754_log10_#in~x|)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-09-20 15:01:26,118 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-09-20 15:01:26,118 INFO L429 ceAbstractionStarter]: At program point L35-3(lines 35 40) the Hoare annotation is: true [2018-09-20 15:01:26,118 INFO L426 ceAbstractionStarter]: For program point L35-4(lines 35 40) no Hoare annotation was computed. [2018-09-20 15:01:26,118 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-20 15:01:26,119 INFO L426 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-09-20 15:01:26,119 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-09-20 15:01:26,119 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-09-20 15:01:26,119 INFO L426 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L36-2(line 36) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L36-3(line 36) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L429 ceAbstractionStarter]: At program point L61-3(lines 61 66) the Hoare annotation is: true [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L61-4(lines 61 66) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 15:01:26,120 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L62-3(line 62) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-09-20 15:01:26,121 INFO L426 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L429 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L38-1(line 38) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L38-2(line 38) no Hoare annotation was computed. [2018-09-20 15:01:26,122 INFO L426 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L39-3(line 39) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L65(line 65) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-09-20 15:01:26,123 INFO L426 ceAbstractionStarter]: For program point L65-2(line 65) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L65-3(line 65) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L429 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: true [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-09-20 15:01:26,124 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-09-20 15:01:26,127 INFO L426 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-09-20 15:01:26,127 INFO L426 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-09-20 15:01:26,127 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:01:26,127 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-09-20 15:01:26,128 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:01:26,128 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:01:26,128 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-09-20 15:01:26,128 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-20 15:01:26,128 INFO L422 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= main_~res~0 (fp.div RNE (fp.sub RNE .cse0 .cse0) (_ +zero 11 53))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-09-20 15:01:26,128 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-09-20 15:01:26,128 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-09-20 15:01:26,128 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-09-20 15:01:26,129 INFO L422 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-09-20 15:01:26,129 INFO L426 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-09-20 15:01:26,129 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-09-20 15:01:26,136 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,137 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,137 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,151 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,152 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,155 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,156 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,156 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,156 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,157 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,158 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,158 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,158 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:01:26 BoogieIcfgContainer [2018-09-20 15:01:26,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:01:26,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:01:26,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:01:26,163 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:01:26,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:00:47" (3/4) ... [2018-09-20 15:01:26,169 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:01:26,177 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-20 15:01:26,177 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:01:26,177 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-09-20 15:01:26,177 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-09-20 15:01:26,178 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:01:26,194 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-09-20 15:01:26,195 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-09-20 15:01:26,196 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:01:26,196 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:01:26,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-09-20 15:01:26,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_15 : bv64 :: !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && (\exists v_q#valueAsBitvector_15 : bv64 :: hx == v_q#valueAsBitvector_15[63:32] && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x))) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-09-20 15:01:26,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_q#valueAsBitvector_15 : bv64 :: !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-09-20 15:01:26,307 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:01:26,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:01:26,312 INFO L168 Benchmark]: Toolchain (without parser) took 73093.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -205.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,313 INFO L168 Benchmark]: CDTParser took 0.22 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 15:01:26,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,314 INFO L168 Benchmark]: Boogie Preprocessor took 95.09 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,314 INFO L168 Benchmark]: RCFGBuilder took 33471.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,315 INFO L168 Benchmark]: TraceAbstraction took 38854.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.8 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,315 INFO L168 Benchmark]: Witness Printer took 148.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:01:26,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 517.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.09 ms. Allocated memory is still 1.0 GB. Free memory was 935.7 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 33471.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38854.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.8 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. * Witness Printer took 148.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 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_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 138]: Loop Invariant [2018-09-20 15:01:26,337 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,338 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,339 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,339 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,339 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,340 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,340 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,340 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,340 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,340 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,342 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_15 : bv64 :: !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) && (\exists v_q#valueAsBitvector_15 : bv64 :: hx == v_q#valueAsBitvector_15[63:32] && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x))) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-09-20 15:01:26,343 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,344 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,344 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,344 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,344 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,345 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,345 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] [2018-09-20 15:01:26,345 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_15,QUANTIFIED] Derived loop invariant: (\exists v_q#valueAsBitvector_15 : bv64 :: !~bvslt32(v_q#valueAsBitvector_15[63:32], 0bv32) && ~fp~LONGDOUBLE(v_q#valueAsBitvector_15[63:63], v_q#valueAsBitvector_15[62:52], v_q#valueAsBitvector_15[51:0]) == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 117 locations, 1 error locations. SAFE Result, 38.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 30.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 580 SDtfs, 248 SDslu, 2432 SDs, 0 SdLazy, 361 SolverSat, 25 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 28 PreInvPairs, 41 NumberOfFragments, 149 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 60 QuantifiedInterpolants, 49171 SizeOfPredicates, 27 NumberOfNonLiveVariables, 590 ConjunctsInSsa, 37 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...