./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer --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 1aaf670562012dae9985b4d351583e88df305330 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer --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 1aaf670562012dae9985b4d351583e88df305330 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:17:37,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:37,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:37,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:37,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:37,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:37,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:37,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:37,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:37,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:37,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:37,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:37,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:37,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:37,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:37,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:37,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:37,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:37,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:37,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:37,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:37,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:37,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:37,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:37,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:37,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:37,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:37,567 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:37,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:37,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:37,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:37,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:37,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:37,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:37,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:37,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:37,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:17:37,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:37,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:37,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:17:37,581 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:17:37,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:17:37,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:17:37,581 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:17:37,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:17:37,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:17:37,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:17:37,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:37,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:37,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:37,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:17:37,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:37,585 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:17:37,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:17:37,585 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:17:37,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:17:37,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:17:37,587 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer 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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-11-18 11:17:37,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:37,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:37,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:37,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:37,624 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:37,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 11:17:37,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/93fda6e8b/c0d965221e9140ad985b5f73559ca830/FLAG7e491647b [2018-11-18 11:17:38,009 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:38,010 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 11:17:38,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/93fda6e8b/c0d965221e9140ad985b5f73559ca830/FLAG7e491647b [2018-11-18 11:17:38,426 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/93fda6e8b/c0d965221e9140ad985b5f73559ca830 [2018-11-18 11:17:38,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:38,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:17:38,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:38,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:38,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:38,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717d7144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38, skipping insertion in model container [2018-11-18 11:17:38,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:38,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:38,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:38,596 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:38,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:38,635 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:38,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38 WrapperNode [2018-11-18 11:17:38,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:38,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:38,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:38,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:38,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... [2018-11-18 11:17:38,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:38,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:38,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:38,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:38,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/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 [2018-11-18 11:17:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:17:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 11:17:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 11:17:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:17:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:17:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:17:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:17:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 11:17:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:17:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:17:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:17:39,036 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:17:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:39 BoogieIcfgContainer [2018-11-18 11:17:39,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:17:39,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:17:39,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:17:39,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:17:39,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:17:38" (1/3) ... [2018-11-18 11:17:39,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb4ae19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:39, skipping insertion in model container [2018-11-18 11:17:39,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:38" (2/3) ... [2018-11-18 11:17:39,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb4ae19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:17:39, skipping insertion in model container [2018-11-18 11:17:39,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:39" (3/3) ... [2018-11-18 11:17:39,041 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-11-18 11:17:39,046 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:17:39,051 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:17:39,059 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:17:39,081 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:17:39,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:17:39,082 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:17:39,082 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:17:39,082 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:17:39,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:17:39,082 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:17:39,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:17:39,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:17:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 11:17:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:17:39,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:39,099 INFO L375 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] [2018-11-18 11:17:39,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:39,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:39,105 INFO L82 PathProgramCache]: Analyzing trace with hash 969927668, now seen corresponding path program 1 times [2018-11-18 11:17:39,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:39,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:39,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:39,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:39,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:17:39,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:39,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:17:39,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:17:39,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:17:39,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:17:39,228 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-18 11:17:39,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:39,249 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2018-11-18 11:17:39,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:17:39,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 11:17:39,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:17:39,256 INFO L225 Difference]: With dead ends: 108 [2018-11-18 11:17:39,256 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 11:17:39,259 INFO L604 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 [2018-11-18 11:17:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 11:17:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 11:17:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 11:17:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-18 11:17:39,285 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2018-11-18 11:17:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:17:39,285 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-18 11:17:39,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:17:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-18 11:17:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:17:39,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:17:39,286 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:39,286 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:17:39,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:39,287 INFO L82 PathProgramCache]: Analyzing trace with hash -744007614, now seen corresponding path program 1 times [2018-11-18 11:17:39,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:39,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:39,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:39,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:39,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:39,365 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:17:39,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:17:39 BoogieIcfgContainer [2018-11-18 11:17:39,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:17:39,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:17:39,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:17:39,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:17:39,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:39" (3/4) ... [2018-11-18 11:17:39,400 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:17:39,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:17:39,401 INFO L168 Benchmark]: Toolchain (without parser) took 972.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:39,403 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:17:39,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.41 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:39,403 INFO L168 Benchmark]: Boogie Preprocessor took 80.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:39,404 INFO L168 Benchmark]: RCFGBuilder took 319.50 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:39,405 INFO L168 Benchmark]: TraceAbstraction took 359.80 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:17:39,405 INFO L168 Benchmark]: Witness Printer took 3.83 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. [2018-11-18 11:17:39,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.41 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.50 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 359.80 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 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 bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. 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)=10, \old(Lg1_log)=29, \old(Lg2_log)=31, \old(Lg3_log)=9, \old(Lg4_log)=13, \old(Lg5_log)=15, \old(Lg6_log)=25, \old(Lg7_log)=22, \old(ln2_hi_log)=12, \old(ln2_lo_log)=17, \old(log10_2hi_log10)=19, \old(log10_2lo_log10)=24, \old(two54_log)=26, \old(two54_log10)=20, \old(zero)=30, \old(zero_log10)=16, 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 = 0.0 / 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)=23, 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)=23, 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=23, zero=0, zero_log10=0] [L124] FCALL ieee_double_shape_type ew_u; [L125] FCALL ew_u.value = (x) [L126] EXPR, FCALL ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR, FCALL ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L128] COND FALSE !(0) VAL [\old(x)=23, hx=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, lx=28, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, zero=0, zero_log10=0] [L130] k = 0 VAL [\old(x)=23, hx=0, 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=28, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=23, hx=0, 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=28, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] RET return -two54_log10 / zero_log10; VAL [\old(x)=23, hx=0, 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=28, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, zero=0, zero_log10=0] [L171] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=14, 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=23, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=14, 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)=14, \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=14, 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=14, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, 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=14, two54_log=18014398509481984, two54_log10=18014398509481984, x=23, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 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=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 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 0.1.23-5842f4b [2018-11-18 11:17:40,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:40,857 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:40,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:40,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:40,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:40,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:40,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:40,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:40,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:40,870 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:40,870 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:40,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:40,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:40,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:40,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:40,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:40,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:40,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:40,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:40,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:40,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:40,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:40,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:40,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:40,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:40,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:40,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:40,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:40,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:40,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:40,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:40,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:40,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:40,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:40,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:40,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:17:40,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:40,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:40,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:17:40,899 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:17:40,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:17:40,900 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:17:40,900 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:17:40,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:17:40,901 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:17:40,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:17:40,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:17:40,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:17:40,903 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:17:40,906 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:17:40,906 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:17:40,906 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer 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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-11-18 11:17:40,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:40,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:40,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:40,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:40,947 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:40,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 11:17:40,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/3adcd6d47/5a3e276c4be347179c5fa66cac9003e3/FLAG95f052bbe [2018-11-18 11:17:41,315 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:41,315 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 11:17:41,321 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/3adcd6d47/5a3e276c4be347179c5fa66cac9003e3/FLAG95f052bbe [2018-11-18 11:17:41,330 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/data/3adcd6d47/5a3e276c4be347179c5fa66cac9003e3 [2018-11-18 11:17:41,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:41,333 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:17:41,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:41,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:41,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:41,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41, skipping insertion in model container [2018-11-18 11:17:41,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:41,361 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:41,511 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:41,516 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:41,555 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:41,576 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:41,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41 WrapperNode [2018-11-18 11:17:41,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:41,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:41,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:41,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:41,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... [2018-11-18 11:17:41,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:41,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:41,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:41,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:41,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/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 [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:17:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:17:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:17:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:17:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 11:17:41,852 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:17:46,533 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:17:46,728 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:17:48,851 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:08,765 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:08,823 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:18:08,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:18:08,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:08 BoogieIcfgContainer [2018-11-18 11:18:08,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:18:08,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:18:08,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:18:08,925 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:18:08,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:17:41" (1/3) ... [2018-11-18 11:18:08,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163b02f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:08, skipping insertion in model container [2018-11-18 11:18:08,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:41" (2/3) ... [2018-11-18 11:18:08,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163b02f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:08, skipping insertion in model container [2018-11-18 11:18:08,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:08" (3/3) ... [2018-11-18 11:18:08,927 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-11-18 11:18:08,936 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:18:08,942 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:18:08,953 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:18:08,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:18:08,973 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:18:08,973 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:18:08,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:18:08,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:18:08,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:18:08,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:18:08,973 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:18:08,973 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:18:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-18 11:18:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:18:08,987 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:08,987 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:08,989 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:08,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:08,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1592165046, now seen corresponding path program 1 times [2018-11-18 11:18:08,995 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:08,995 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/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 [2018-11-18 11:18:08,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:09,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:09,774 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:09,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:09,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:18:09,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:18:09,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:18:09,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:18:09,813 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-18 11:18:09,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:09,832 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-11-18 11:18:09,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:18:09,833 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 11:18:09,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:09,842 INFO L225 Difference]: With dead ends: 106 [2018-11-18 11:18:09,842 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 11:18:09,845 INFO L604 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 [2018-11-18 11:18:09,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 11:18:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-18 11:18:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 11:18:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2018-11-18 11:18:09,871 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2018-11-18 11:18:09,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:09,871 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2018-11-18 11:18:09,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:18:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 11:18:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:18:09,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:09,872 INFO L375 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] [2018-11-18 11:18:09,873 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:09,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:09,873 INFO L82 PathProgramCache]: Analyzing trace with hash 436862720, now seen corresponding path program 1 times [2018-11-18 11:18:09,873 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:09,874 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/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 [2018-11-18 11:18:09,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:10,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:10,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:10,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:18:10,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:18:10,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:18:10,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:18:10,731 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 6 states. [2018-11-18 11:18:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:19,353 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2018-11-18 11:18:19,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:18:19,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 11:18:19,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:19,361 INFO L225 Difference]: With dead ends: 67 [2018-11-18 11:18:19,361 INFO L226 Difference]: Without dead ends: 57 [2018-11-18 11:18:19,362 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:18:19,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-18 11:18:19,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-11-18 11:18:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 11:18:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2018-11-18 11:18:19,367 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 22 [2018-11-18 11:18:19,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:19,367 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2018-11-18 11:18:19,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:18:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-11-18 11:18:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:18:19,368 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:19,368 INFO L375 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] [2018-11-18 11:18:19,369 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:19,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:19,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1635297599, now seen corresponding path program 1 times [2018-11-18 11:18:19,369 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:19,369 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:19,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:19,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:20,190 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-18 11:18:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:20,838 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:20,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:20,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:18:20,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:18:20,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:18:20,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:18:20,848 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 9 states. [2018-11-18 11:18:21,682 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 11:18:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:27,782 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2018-11-18 11:18:27,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:18:27,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-18 11:18:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:27,887 INFO L225 Difference]: With dead ends: 64 [2018-11-18 11:18:27,887 INFO L226 Difference]: Without dead ends: 57 [2018-11-18 11:18:27,888 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:18:27,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-18 11:18:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-11-18 11:18:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 11:18:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2018-11-18 11:18:27,896 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 22 [2018-11-18 11:18:27,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:27,897 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2018-11-18 11:18:27,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:18:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2018-11-18 11:18:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:18:27,897 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:27,897 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:18:27,897 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:27,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:27,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1594382427, now seen corresponding path program 1 times [2018-11-18 11:18:27,898 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:27,898 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/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 [2018-11-18 11:18:27,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:28,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:30,959 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |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 [2018-11-18 11:18:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:31,048 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:31,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:31,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:18:31,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:18:31,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:18:31,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-18 11:18:31,064 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand 10 states. [2018-11-18 11:18:36,241 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= c___ieee754_log10_~x |c___ieee754_log10_#in~x|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-11-18 11:18:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:37,161 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-11-18 11:18:37,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:18:37,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-18 11:18:37,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:37,163 INFO L225 Difference]: With dead ends: 62 [2018-11-18 11:18:37,163 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 11:18:37,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210 [2018-11-18 11:18:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 11:18:37,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2018-11-18 11:18:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 11:18:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-11-18 11:18:37,168 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 23 [2018-11-18 11:18:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:37,169 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-11-18 11:18:37,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:18:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-11-18 11:18:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:18:37,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:37,170 INFO L375 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] [2018-11-18 11:18:37,170 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:37,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:37,170 INFO L82 PathProgramCache]: Analyzing trace with hash 405439024, now seen corresponding path program 1 times [2018-11-18 11:18:37,170 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:37,170 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:37,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:37,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:37,595 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:37,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:37,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:18:37,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:18:37,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:18:37,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:18:37,606 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 7 states. [2018-11-18 11:18:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:39,240 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-18 11:18:39,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:18:39,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 11:18:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:39,242 INFO L225 Difference]: With dead ends: 68 [2018-11-18 11:18:39,242 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 11:18:39,242 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:18:39,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 11:18:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-18 11:18:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-18 11:18:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-11-18 11:18:39,247 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 26 [2018-11-18 11:18:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:39,248 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-11-18 11:18:39,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:18:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-18 11:18:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 11:18:39,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:18:39,249 INFO L375 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] [2018-11-18 11:18:39,249 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:18:39,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2051963300, now seen corresponding path program 1 times [2018-11-18 11:18:39,250 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:18:39,250 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 11:18:39,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:18:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:40,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:18:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:40,950 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:18:40,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:18:40,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:18:40,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:18:40,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:18:40,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:18:40,973 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 7 states. [2018-11-18 11:18:42,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:18:42,535 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-11-18 11:18:42,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:18:42,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-18 11:18:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:18:42,536 INFO L225 Difference]: With dead ends: 49 [2018-11-18 11:18:42,536 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:18:42,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:18:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:18:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:18:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:18:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:18:42,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-18 11:18:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:18:42,537 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:18:42,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:18:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:18:42,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:18:42,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:18:42,928 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-11-18 11:18:42,929 INFO L421 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|)) [2018-11-18 11:18:42,929 INFO L425 ceAbstractionStarter]: For program point L123-4(lines 123 128) no Hoare annotation was computed. [2018-11-18 11:18:42,930 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-11-18 11:18:42,930 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-11-18 11:18:42,930 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-11-18 11:18:42,930 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-11-18 11:18:42,930 INFO L421 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_9|))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_log10_#in~x|) (not (bvslt .cse1 (_ bv1048576 32))) (not (bvsge .cse1 (_ bv2146435072 32)))))) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 11:18:42,930 INFO L421 ceAbstractionStarter]: At program point L150-4(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_9|))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_log10_#in~x|) (not (bvslt .cse0 (_ bv1048576 32))) (not (bvsge .cse0 (_ bv2146435072 32)))))) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse1 (_ bv0 32))) (bvslt .cse1 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 11:18:42,930 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-11-18 11:18:42,930 INFO L421 ceAbstractionStarter]: At program point L138-3(lines 138 142) the Hoare annotation is: (or (and (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= __ieee754_log10_~hx~1 ((_ extract 63 32) |v_q#valueAsBitvector_8|)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 11:18:42,930 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L428 ceAbstractionStarter]: At program point L35-3(lines 35 40) the Hoare annotation is: true [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L35-4(lines 35 40) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L428 ceAbstractionStarter]: At program point L61-3(lines 61 66) the Hoare annotation is: true [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L61-4(lines 61 66) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: true [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-11-18 11:18:42,931 INFO L428 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-11-18 11:18:42,931 INFO L425 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-11-18 11:18:42,932 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 11:18:42,932 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-11-18 11:18:42,932 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-11-18 11:18:42,933 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-11-18 11:18:42,933 INFO L425 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-11-18 11:18:42,933 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-11-18 11:18:42,933 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-18 11:18:42,936 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,937 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,938 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:42,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:42,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:18:42 BoogieIcfgContainer [2018-11-18 11:18:42,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:18:42,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:42,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:42,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:42,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:08" (3/4) ... [2018-11-18 11:18:42,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:18:42,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 11:18:42,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:18:42,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-11-18 11:18:42,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-18 11:18:42,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:18:42,961 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-18 11:18:42,962 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:18:42,962 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:18:42,962 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:18:42,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-11-18 11:18:42,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) && (\exists v_q#valueAsBitvector_8 : bv64 :: hx == v_q#valueAsBitvector_8[63:32] && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]))) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-11-18 11:18:42,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) || ((\exists v_q#valueAsBitvector_9 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvslt32(v_q#valueAsBitvector_9[63:32], 1048576bv32)) && !~bvsge32(v_q#valueAsBitvector_9[63:32], 2146435072bv32)) && x == \old(x))) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-11-18 11:18:43,007 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_174da26f-6624-41a5-ad63-20732841e18d/bin-2019/uautomizer/witness.graphml [2018-11-18 11:18:43,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:43,008 INFO L168 Benchmark]: Toolchain (without parser) took 61675.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 948.7 MB in the beginning and 817.4 MB in the end (delta: 131.3 MB). Peak memory consumption was 267.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,008 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 11:18:43,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.43 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,009 INFO L168 Benchmark]: Boogie Preprocessor took 95.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,009 INFO L168 Benchmark]: RCFGBuilder took 27248.28 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,010 INFO L168 Benchmark]: TraceAbstraction took 34027.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 824.3 MB in the end (delta: 252.1 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,010 INFO L168 Benchmark]: Witness Printer took 57.18 ms. Allocated memory is still 1.2 GB. Free memory was 824.3 MB in the beginning and 817.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:43,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.43 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 27248.28 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34027.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 824.3 MB in the end (delta: 252.1 MB). Peak memory consumption was 252.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.18 ms. Allocated memory is still 1.2 GB. Free memory was 824.3 MB in the beginning and 817.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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 [2018-11-18 11:18:43,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,018 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) && (\exists v_q#valueAsBitvector_8 : bv64 :: hx == v_q#valueAsBitvector_8[63:32] && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]))) || !(~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 [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,019 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,020 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 11:18:43,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) || ((\exists v_q#valueAsBitvector_9 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvslt32(v_q#valueAsBitvector_9[63:32], 1048576bv32)) && !~bvsge32(v_q#valueAsBitvector_9[63:32], 2146435072bv32)) && x == \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, 57 locations, 1 error locations. SAFE Result, 33.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 25.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 112 SDslu, 1416 SDs, 0 SdLazy, 256 SolverSat, 15 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 29 PreInvPairs, 43 NumberOfFragments, 192 HoareAnnotationTreeSize, 29 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 26 QuantifiedInterpolants, 21152 SizeOfPredicates, 18 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...