/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68aa61f206da468fa7dcfce700dfa7d384c1ee8e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:27:20,745 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:27:20,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:27:20,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:27:20,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:27:20,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:27:20,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:27:20,766 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:27:20,768 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:27:20,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:27:20,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:27:20,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:27:20,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:27:20,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:27:20,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:27:20,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:27:20,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:27:20,779 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:27:20,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:27:20,784 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:27:20,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:27:20,787 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:27:20,790 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:27:20,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:27:20,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:27:20,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:27:20,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:27:20,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:27:20,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:27:20,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:27:20,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:27:20,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:27:20,798 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:27:20,798 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:27:20,799 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:27:20,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:27:20,801 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:27:20,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:27:20,817 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:27:20,819 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:27:20,819 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:27:20,819 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:27:20,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:27:20,820 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:27:20,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:27:20,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:27:20,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:27:20,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:27:20,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:27:20,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:27:20,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:27:20,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:27:20,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:27:20,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:27:20,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:27:20,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:27:20,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:27:20,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:27:20,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:27:20,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:27:20,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:27:20,825 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:27:20,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:27:20,826 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:27:20,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:27:20,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:27:20,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-09-20 15:27:20,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:27:20,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:27:20,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:27:20,922 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:27:20,922 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:27:20,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:21,317 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6cc918f/eb53c292e363456aa2669e558ffb4b48/FLAG777d11368 [2018-09-20 15:27:21,506 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:27:21,510 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:21,525 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6cc918f/eb53c292e363456aa2669e558ffb4b48/FLAG777d11368 [2018-09-20 15:27:21,542 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6cc918f/eb53c292e363456aa2669e558ffb4b48 [2018-09-20 15:27:21,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:27:21,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:27:21,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:21,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:27:21,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:27:21,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:21,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef5c2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21, skipping insertion in model container [2018-09-20 15:27:21,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:21,576 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:27:21,834 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:21,860 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:27:21,909 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:21,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21 WrapperNode [2018-09-20 15:27:21,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:21,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:27:21,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:27:21,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:27:21,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:21,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:21,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:21,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:22,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:22,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:22,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... [2018-09-20 15:27:22,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:27:22,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:27:22,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:27:22,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:27:22,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:27:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:27:22,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:27:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:27:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:27:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:27:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-20 15:27:22,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:27:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:27:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:27:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-20 15:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:27:22,944 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:27:22,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:22 BoogieIcfgContainer [2018-09-20 15:27:22,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:27:22,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:27:22,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:27:22,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:27:22,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:27:21" (1/3) ... [2018-09-20 15:27:22,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a252e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:22, skipping insertion in model container [2018-09-20 15:27:22,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:21" (2/3) ... [2018-09-20 15:27:22,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a252e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:22, skipping insertion in model container [2018-09-20 15:27:22,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:22" (3/3) ... [2018-09-20 15:27:22,953 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:22,963 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:27:22,973 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:27:23,020 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:27:23,021 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:27:23,021 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:27:23,021 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:27:23,021 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:27:23,021 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:27:23,022 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:27:23,022 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:27:23,022 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:27:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-09-20 15:27:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-20 15:27:23,053 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:23,056 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:23,062 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:23,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1912320970, now seen corresponding path program 1 times [2018-09-20 15:27:23,071 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:27:23,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:27:23,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:27:23,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:23,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:27:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:23,297 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:23,298 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:27:23,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:27:23,317 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:27:23,318 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:27:23,321 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2018-09-20 15:27:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:23,420 INFO L93 Difference]: Finished difference Result 164 states and 207 transitions. [2018-09-20 15:27:23,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:27:23,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-20 15:27:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:23,433 INFO L225 Difference]: With dead ends: 164 [2018-09-20 15:27:23,433 INFO L226 Difference]: Without dead ends: 81 [2018-09-20 15:27:23,438 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:27:23,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-20 15:27:23,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-20 15:27:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-20 15:27:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2018-09-20 15:27:23,482 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 23 [2018-09-20 15:27:23,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:23,483 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2018-09-20 15:27:23,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:27:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2018-09-20 15:27:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:27:23,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:23,485 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:23,486 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:23,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1372062422, now seen corresponding path program 1 times [2018-09-20 15:27:23,486 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:27:23,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:27:23,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:27:23,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:23,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:27:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:27:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:27:23,707 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:27:23,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:27:23 BoogieIcfgContainer [2018-09-20 15:27:23,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:27:23,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:27:23,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:27:23,798 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:27:23,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:22" (3/4) ... [2018-09-20 15:27:23,806 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:27:23,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:27:23,807 INFO L168 Benchmark]: Toolchain (without parser) took 2260.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:23,810 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:23,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:23,812 INFO L168 Benchmark]: Boogie Preprocessor took 62.02 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:23,812 INFO L168 Benchmark]: RCFGBuilder took 920.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:23,814 INFO L168 Benchmark]: TraceAbstraction took 851.29 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:27:23,815 INFO L168 Benchmark]: Witness Printer took 8.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:27:23,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 410.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.02 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 920.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 851.29 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: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Witness Printer took 8.23 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: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L24-L28] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L30] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418256, \old(Lg2_log)=10737418258, \old(Lg3_log)=10737418240, \old(Lg4_log)=10737418243, \old(Lg5_log)=10737418246, \old(Lg6_log)=10737418255, \old(Lg7_log)=10737418253, \old(ln2_hi_log)=10737418242, \old(ln2_lo_log)=10737418249, \old(two25_log)=10737418252, \old(zero_log)=10737418251, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L132] float x = __VERIFIER_nondet_float(); [L134] EXPR x < 0 && isfinite_float(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, x < 0 && isfinite_float(x)=1, zero_log=0] [L134] COND TRUE, EXPR x < 0 && isfinite_float(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, x < 0 && isfinite_float(x)=1, zero_log=0] [L134] CALL, EXPR isfinite_float(x) VAL [\old(x)=10737418244, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L115] __int32_t ix; VAL [\old(x)=10737418244, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L117] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418244, gf_u={10737418254:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L118] FCALL gf_u.value = (x) VAL [\old(x)=10737418244, gf_u={10737418254:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L119] EXPR, FCALL gf_u.word VAL [\old(x)=10737418244, gf_u={10737418254:0}, gf_u.word=10737418239, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L119] (ix) = gf_u.word VAL [\old(x)=10737418244, gf_u={10737418254:0}, gf_u.word=10737418239, ix=2147483647, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L119] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418247, \old(x)=10737418244, gf_u={10737418254:0}, gf_u.word=10737418239, ix=2147483647, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L120] COND FALSE !(0) VAL [\old(x)=10737418244, ix=2147483647, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L121] ix &= 0x7fffffff [L122] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418244, \result=1, ix=2139095039, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L134] EXPR isfinite_float(x) VAL [isfinite_float(x)=1, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, x < 0 && isfinite_float(x)=1, zero_log=0] [L134] EXPR x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, x < 0 && isfinite_float(x)=1, zero_log=0] [L134] COND TRUE (x < 0 && isfinite_float(x)) [L136] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=10737418244, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [\old(x)=10737418244, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L37] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=10737418244, gf_u={10737418245:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L38] FCALL gf_u.value = (x) VAL [\old(x)=10737418244, gf_u={10737418245:0}, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L39] EXPR, FCALL gf_u.word VAL [\old(x)=10737418244, gf_u={10737418245:0}, gf_u.word=6442450944, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L39] (ix) = gf_u.word VAL [\old(x)=10737418244, gf_u={10737418245:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L39] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=10737418257, \old(x)=10737418244, gf_u={10737418245:0}, gf_u.word=6442450944, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L40] COND FALSE !(0) VAL [\old(x)=10737418244, ix=-2147483648, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L42] k = 0 VAL [\old(x)=10737418244, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] RET return -two25_log / zero_log; VAL [\old(x)=10737418244, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L136] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418248, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418244, zero_log=0] [L136] float res = __ieee754_logf(x); [L139] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418248, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L111] RET return x != x; VAL [\old(x)=10737418248, \result=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418248, zero_log=0] [L139] EXPR isnan_float(res) VAL [isnan_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418248, two25_log=33554432, x=10737418244, zero_log=0] [L139] COND TRUE !isnan_float(res) [L140] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418248, two25_log=33554432, x=10737418244, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 100 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 92 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 15:27:26,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:27:26,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:27:26,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:27:26,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:27:26,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:27:26,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:27:26,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:27:26,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:27:26,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:27:26,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:27:26,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:27:26,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:27:26,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:27:26,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:27:26,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:27:26,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:27:26,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:27:26,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:27:26,257 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:27:26,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:27:26,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:27:26,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:27:26,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:27:26,263 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:27:26,264 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:27:26,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:27:26,269 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:27:26,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:27:26,272 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:27:26,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:27:26,273 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:27:26,273 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:27:26,274 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:27:26,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:27:26,275 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:27:26,276 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:27:26,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:27:26,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:27:26,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:27:26,300 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:27:26,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:27:26,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:27:26,301 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:27:26,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:27:26,301 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:27:26,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:27:26,302 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:27:26,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:27:26,303 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:27:26,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:27:26,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:27:26,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:27:26,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:27:26,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:27:26,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:27:26,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:27:26,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:27:26,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:27:26,306 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:27:26,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:27:26,307 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:27:26,307 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:27:26,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa61f206da468fa7dcfce700dfa7d384c1ee8e [2018-09-20 15:27:26,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:27:26,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:27:26,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:27:26,380 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:27:26,380 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:27:26,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:26,749 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1918ea4b4/a47e0ccd6148463ab485884c9e700800/FLAGedd396375 [2018-09-20 15:27:26,946 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:27:26,948 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:26,967 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1918ea4b4/a47e0ccd6148463ab485884c9e700800/FLAGedd396375 [2018-09-20 15:27:26,991 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1918ea4b4/a47e0ccd6148463ab485884c9e700800 [2018-09-20 15:27:26,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:27:27,001 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:27:27,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:27,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:27:27,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:27:27,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:26" (1/1) ... [2018-09-20 15:27:27,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee5304a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27, skipping insertion in model container [2018-09-20 15:27:27,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:27:26" (1/1) ... [2018-09-20 15:27:27,033 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:27:27,314 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:27,343 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:27:27,383 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:27:27,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27 WrapperNode [2018-09-20 15:27:27,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:27:27,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:27:27,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:27:27,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:27:27,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... [2018-09-20 15:27:27,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:27:27,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:27:27,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:27:27,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:27:27,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:27:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:27:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:27:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:27:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-09-20 15:27:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-20 15:27:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-09-20 15:27:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:27:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:27:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-09-20 15:27:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:27:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:27:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-20 15:27:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-09-20 15:27:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:27:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:27:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:27:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:27:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:27:27,931 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:27,977 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:28,157 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:28,167 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:40,970 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:40,989 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:42,356 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:42,367 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:27:42,402 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:27:42,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:42 BoogieIcfgContainer [2018-09-20 15:27:42,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:27:42,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:27:42,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:27:42,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:27:42,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:27:26" (1/3) ... [2018-09-20 15:27:42,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cc9263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:42, skipping insertion in model container [2018-09-20 15:27:42,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:27:27" (2/3) ... [2018-09-20 15:27:42,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cc9263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:27:42, skipping insertion in model container [2018-09-20 15:27:42,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:42" (3/3) ... [2018-09-20 15:27:42,413 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a_true-unreach-call.c [2018-09-20 15:27:42,423 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:27:42,430 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:27:42,475 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:27:42,476 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:27:42,476 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:27:42,476 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:27:42,476 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:27:42,477 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:27:42,477 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:27:42,477 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:27:42,477 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:27:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2018-09-20 15:27:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:27:42,508 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:42,509 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:42,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:42,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2003181301, now seen corresponding path program 1 times [2018-09-20 15:27:42,522 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:42,522 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:42,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:42,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:42,853 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:42,873 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:42,874 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:27:42,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:27:42,889 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:27:42,890 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:27:42,892 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 2 states. [2018-09-20 15:27:42,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:42,923 INFO L93 Difference]: Finished difference Result 161 states and 203 transitions. [2018-09-20 15:27:42,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:27:42,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:27:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:42,937 INFO L225 Difference]: With dead ends: 161 [2018-09-20 15:27:42,937 INFO L226 Difference]: Without dead ends: 80 [2018-09-20 15:27:42,942 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:27:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-20 15:27:42,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-20 15:27:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:27:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2018-09-20 15:27:42,992 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 22 [2018-09-20 15:27:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:42,992 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2018-09-20 15:27:42,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:27:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2018-09-20 15:27:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:27:42,995 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:42,995 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:42,995 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:42,996 INFO L82 PathProgramCache]: Analyzing trace with hash -471455815, now seen corresponding path program 1 times [2018-09-20 15:27:42,996 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:42,997 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:27:43,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:43,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:43,333 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:43,346 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:43,346 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:27:43,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:27:43,349 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:27:43,349 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:27:43,349 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 3 states. [2018-09-20 15:27:43,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:43,384 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2018-09-20 15:27:43,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:27:43,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-20 15:27:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:43,388 INFO L225 Difference]: With dead ends: 137 [2018-09-20 15:27:43,388 INFO L226 Difference]: Without dead ends: 80 [2018-09-20 15:27:43,389 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:27:43,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-20 15:27:43,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-20 15:27:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:27:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2018-09-20 15:27:43,402 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 31 [2018-09-20 15:27:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:43,402 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2018-09-20 15:27:43,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:27:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2018-09-20 15:27:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-20 15:27:43,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:43,405 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:43,405 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash 100713076, now seen corresponding path program 1 times [2018-09-20 15:27:43,406 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:43,406 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:43,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:43,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:44,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:27:44,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:27:44,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:27:44,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:27:44,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:27:44,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:27:44,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:27:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:44,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:44,558 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:44,558 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:27:44,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:27:44,559 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:27:44,559 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:27:44,560 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 9 states. [2018-09-20 15:27:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:27:50,788 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2018-09-20 15:27:50,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:27:50,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-09-20 15:27:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:27:50,793 INFO L225 Difference]: With dead ends: 98 [2018-09-20 15:27:50,793 INFO L226 Difference]: Without dead ends: 88 [2018-09-20 15:27:50,794 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-09-20 15:27:50,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-09-20 15:27:50,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2018-09-20 15:27:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:27:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2018-09-20 15:27:50,805 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 47 [2018-09-20 15:27:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:27:50,808 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2018-09-20 15:27:50,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:27:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2018-09-20 15:27:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 15:27:50,810 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:27:50,810 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:27:50,810 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:27:50,811 INFO L82 PathProgramCache]: Analyzing trace with hash -236820640, now seen corresponding path program 1 times [2018-09-20 15:27:50,812 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:27:50,812 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 15:27:50,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:27:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:27:51,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:27:51,888 WARN L178 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:27:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:27:52,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:27:52,515 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:27:52,515 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-20 15:27:52,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-20 15:27:52,516 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-20 15:27:52,518 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-09-20 15:27:52,518 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 8 states. [2018-09-20 15:27:53,738 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:27:54,104 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-20 15:27:54,737 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-20 15:28:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:28:07,909 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2018-09-20 15:28:07,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-20 15:28:07,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2018-09-20 15:28:07,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:28:07,914 INFO L225 Difference]: With dead ends: 87 [2018-09-20 15:28:07,914 INFO L226 Difference]: Without dead ends: 80 [2018-09-20 15:28:07,915 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-20 15:28:07,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-20 15:28:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-20 15:28:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:28:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2018-09-20 15:28:07,928 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 48 [2018-09-20 15:28:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:28:07,929 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2018-09-20 15:28:07,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-20 15:28:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2018-09-20 15:28:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-20 15:28:07,932 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:28:07,932 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:28:07,932 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:28:07,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1398482032, now seen corresponding path program 1 times [2018-09-20 15:28:07,933 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:28:07,933 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 15:28:07,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:28:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:28:08,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:28:08,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 15:28:08,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 15:28:08,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,141 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:28:08,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-09-20 15:28:08,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-09-20 15:28:08,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:28:08,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:28:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:28:08,299 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:28:08,313 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:28:08,314 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:28:08,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:28:08,314 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:28:08,315 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:28:08,315 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 9 states. [2018-09-20 15:28:11,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:28:11,936 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2018-09-20 15:28:11,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:28:11,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-09-20 15:28:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:28:11,944 INFO L225 Difference]: With dead ends: 88 [2018-09-20 15:28:11,945 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:28:11,946 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-09-20 15:28:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:28:11,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:28:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:28:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:28:11,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-20 15:28:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:28:11,948 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:28:11,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:28:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:28:11,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:28:11,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:28:12,349 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-09-20 15:28:12,635 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 111) no Hoare annotation was computed. [2018-09-20 15:28:12,636 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 111) the Hoare annotation is: true [2018-09-20 15:28:12,636 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 111) no Hoare annotation was computed. [2018-09-20 15:28:12,636 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:28:12,636 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-20 15:28:12,636 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:28:12,636 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point isinf_floatENTRY(lines 13 22) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:28:12,637 INFO L426 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 13 22) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 13 22) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-20 15:28:12,638 INFO L426 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point L119-2(line 119) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point L117-2(line 117) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-09-20 15:28:12,639 INFO L426 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 114 123) no Hoare annotation was computed. [2018-09-20 15:28:12,640 INFO L426 ceAbstractionStarter]: For program point L117-3(line 117) no Hoare annotation was computed. [2018-09-20 15:28:12,641 INFO L429 ceAbstractionStarter]: At program point L116-3(lines 116 120) the Hoare annotation is: true [2018-09-20 15:28:12,641 INFO L426 ceAbstractionStarter]: For program point L116-4(lines 116 120) no Hoare annotation was computed. [2018-09-20 15:28:12,641 INFO L429 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 114 123) the Hoare annotation is: true [2018-09-20 15:28:12,641 INFO L426 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 114 123) no Hoare annotation was computed. [2018-09-20 15:28:12,641 INFO L426 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2018-09-20 15:28:12,642 INFO L422 ceAbstractionStarter]: At program point L52-3(lines 52 56) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32))))) (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|))) [2018-09-20 15:28:12,643 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2018-09-20 15:28:12,643 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:28:12,643 INFO L422 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (or (= __ieee754_logf_~x |__ieee754_logf_#in~x|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:28:12,643 INFO L426 ceAbstractionStarter]: For program point L36-4(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:28:12,643 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2018-09-20 15:28:12,643 INFO L429 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 32 108) the Hoare annotation is: true [2018-09-20 15:28:12,643 INFO L422 ceAbstractionStarter]: At program point L61-3(lines 61 65) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (bvslt __ieee754_logf_~ix~1 (_ bv0 32)))))) [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 32 108) no Hoare annotation was computed. [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point L61-4(lines 61 65) no Hoare annotation was computed. [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-09-20 15:28:12,644 INFO L426 ceAbstractionStarter]: For program point L53-3(line 53) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 15:28:12,647 INFO L426 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-09-20 15:28:12,648 INFO L426 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-09-20 15:28:12,648 INFO L426 ceAbstractionStarter]: For program point L37-3(line 37) no Hoare annotation was computed. [2018-09-20 15:28:12,648 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2018-09-20 15:28:12,648 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L62-3(line 62) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 15:28:12,649 INFO L426 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L55-2(line 55) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-20 15:28:12,651 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L64-1(line 64) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L64-2(line 64) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 32 108) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-09-20 15:28:12,652 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2018-09-20 15:28:12,653 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:28:12,653 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0) [2018-09-20 15:28:12,653 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:28:12,653 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:28:12,653 INFO L426 ceAbstractionStarter]: For program point L134-6(lines 134 143) no Hoare annotation was computed. [2018-09-20 15:28:12,653 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 125 146) the Hoare annotation is: true [2018-09-20 15:28:12,656 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 125 146) no Hoare annotation was computed. [2018-09-20 15:28:12,656 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-09-20 15:28:12,656 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 125 146) no Hoare annotation was computed. [2018-09-20 15:28:12,657 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-20 15:28:12,657 INFO L422 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (and (exists ((__ieee754_logf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (fp.div RNE (fp.sub RNE __ieee754_logf_~x __ieee754_logf_~x) ((_ to_fp 8 24) RNE (_ +zero 11 53))))) (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32))))) [2018-09-20 15:28:12,657 INFO L426 ceAbstractionStarter]: For program point L139-1(lines 139 142) no Hoare annotation was computed. [2018-09-20 15:28:12,657 INFO L422 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0)) (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32)))) [2018-09-20 15:28:12,657 INFO L426 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2018-09-20 15:28:12,659 INFO L426 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2018-09-20 15:28:12,659 INFO L422 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (fp.lt main_~x~0 ((_ to_fp 8 24) RNE (_ bv0 32))) |main_#t~short12|) (not (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) ~zero_log~0))) [2018-09-20 15:28:12,659 INFO L426 ceAbstractionStarter]: For program point L134-2(line 134) no Hoare annotation was computed. [2018-09-20 15:28:12,659 INFO L426 ceAbstractionStarter]: For program point L134-4(lines 134 143) no Hoare annotation was computed. [2018-09-20 15:28:12,668 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,669 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,669 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,669 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,669 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,674 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,674 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,674 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,675 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,675 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,676 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,677 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,678 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,680 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,680 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,680 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,680 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,681 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:28:12 BoogieIcfgContainer [2018-09-20 15:28:12,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:28:12,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:28:12,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:28:12,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:28:12,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:27:42" (3/4) ... [2018-09-20 15:28:12,698 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:28:12,706 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-09-20 15:28:12,706 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:28:12,706 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:28:12,706 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-09-20 15:28:12,706 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_float [2018-09-20 15:28:12,707 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:28:12,713 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-09-20 15:28:12,714 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-20 15:28:12,714 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-20 15:28:12,714 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:28:12,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) [2018-09-20 15:28:12,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || ((\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x)) [2018-09-20 15:28:12,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) [2018-09-20 15:28:12,797 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:28:12,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:28:12,799 INFO L168 Benchmark]: Toolchain (without parser) took 45800.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.9 MB in the beginning and 814.1 MB in the end (delta: 137.8 MB). Peak memory consumption was 257.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:12,802 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:12,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:12,803 INFO L168 Benchmark]: Boogie Preprocessor took 90.85 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:28:12,803 INFO L168 Benchmark]: RCFGBuilder took 14884.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:12,804 INFO L168 Benchmark]: TraceAbstraction took 30281.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 821.1 MB in the end (delta: 256.0 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:12,804 INFO L168 Benchmark]: Witness Printer took 111.57 ms. Allocated memory is still 1.1 GB. Free memory was 821.1 MB in the beginning and 814.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:28:12,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 421.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.85 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 14884.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30281.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 821.1 MB in the end (delta: 256.0 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. * Witness Printer took 111.57 ms. Allocated memory is still 1.1 GB. Free memory was 821.1 MB in the beginning and 814.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 61]: Loop Invariant [2018-09-20 15:28:12,823 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,830 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,831 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,831 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,832 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,833 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,833 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant [2018-09-20 15:28:12,835 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,835 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: x == \old(x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) - InvariantResult [Line: 52]: Loop Invariant [2018-09-20 15:28:12,836 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,836 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,837 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,837 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,837 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,838 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-20 15:28:12,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,838 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-09-20 15:28:12,840 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~Pluszero~LONGDOUBLE()) == zero_log) || ((\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !~bvslt32(__ieee754_logf_~ix~1, 0bv32)) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 99 locations, 1 error locations. SAFE Result, 30.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 25.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 414 SDtfs, 166 SDslu, 1335 SDs, 0 SdLazy, 271 SolverSat, 16 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 26 PreInvPairs, 33 NumberOfFragments, 127 HoareAnnotationTreeSize, 26 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 9 QuantifiedInterpolants, 34434 SizeOfPredicates, 20 NumberOfNonLiveVariables, 560 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...