/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b_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_1211b_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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ............................................................................................................................................................................................................................................................................................................................................................................... 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_1211b_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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:31:26,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:31:26,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:31:26,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:31:26,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:31:26,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:31:26,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:31:26,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:31:26,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:31:26,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:31:26,704 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:31:26,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:31:26,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:31:26,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:31:26,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:31:26,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:31:26,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:31:26,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:31:26,713 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:31:26,715 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:31:26,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:31:26,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:31:26,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:31:26,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:31:26,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:31:26,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:31:26,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:31:26,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:31:26,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:31:26,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:31:26,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:31:26,735 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:31:26,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:31:26,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:31:26,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:31:26,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:31:26,740 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:31:26,767 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:31:26,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:31:26,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:31:26,769 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:31:26,770 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:31:26,770 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:31:26,770 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:31:26,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:31:26,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:31:26,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:31:26,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:31:26,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:31:26,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:31:26,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:31:26,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:31:26,774 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:31:26,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:31:26,774 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:31:26,775 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:31:26,775 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:31:26,775 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:31:26,775 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:31:26,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:31:26,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:31:26,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:31:26,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:31:26,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:31:26,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:31:26,779 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:31:26,779 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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2018-09-20 15:31:26,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:31:26,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:31:26,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:31:26,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:31:26,878 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:31:26,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:27,215 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd5fe825/7623f88b07234270bf2c04b9dc46f763/FLAG9bdb01371 [2018-09-20 15:31:27,388 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:31:27,389 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:27,397 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd5fe825/7623f88b07234270bf2c04b9dc46f763/FLAG9bdb01371 [2018-09-20 15:31:27,413 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd5fe825/7623f88b07234270bf2c04b9dc46f763 [2018-09-20 15:31:27,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:31:27,420 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:31:27,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:31:27,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:31:27,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:31:27,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315d9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27, skipping insertion in model container [2018-09-20 15:31:27,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,447 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:31:27,679 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:31:27,716 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:31:27,747 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:31:27,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27 WrapperNode [2018-09-20 15:31:27,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:31:27,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:31:27,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:31:27,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:31:27,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (1/1) ... [2018-09-20 15:31:27,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:31:27,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:31:27,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:31:27,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:31:27,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (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 15:31:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:31:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:31:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-09-20 15:31:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:31:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:31:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:31:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:31:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:31:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-09-20 15:31:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:31:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:31:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:31:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:31:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:31:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:31:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:31:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:31:29,010 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:31:29,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:29 BoogieIcfgContainer [2018-09-20 15:31:29,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:31:29,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:31:29,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:31:29,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:31:29,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:31:27" (1/3) ... [2018-09-20 15:31:29,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589a19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:31:29, skipping insertion in model container [2018-09-20 15:31:29,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:27" (2/3) ... [2018-09-20 15:31:29,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589a19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:31:29, skipping insertion in model container [2018-09-20 15:31:29,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:29" (3/3) ... [2018-09-20 15:31:29,022 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:29,033 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:31:29,045 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:31:29,091 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:31:29,092 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:31:29,092 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:31:29,092 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:31:29,092 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:31:29,093 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:31:29,093 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:31:29,093 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:31:29,093 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:31:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-09-20 15:31:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:31:29,127 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:29,129 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 15:31:29,136 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1897782458, now seen corresponding path program 1 times [2018-09-20 15:31:29,144 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:31:29,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:31:29,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:29,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:29,317 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 15:31:29,321 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:29,321 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:31:29,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:31:29,342 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:31:29,343 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:31:29,346 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-09-20 15:31:29,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:29,394 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2018-09-20 15:31:29,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:31:29,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-09-20 15:31:29,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:29,409 INFO L225 Difference]: With dead ends: 267 [2018-09-20 15:31:29,410 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:31:29,415 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:31:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:31:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-09-20 15:31:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-20 15:31:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 136 transitions. [2018-09-20 15:31:29,478 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 136 transitions. Word has length 31 [2018-09-20 15:31:29,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:29,479 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 136 transitions. [2018-09-20 15:31:29,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:31:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2018-09-20 15:31:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-20 15:31:29,483 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:29,483 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:31:29,484 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:29,484 INFO L82 PathProgramCache]: Analyzing trace with hash 661835315, now seen corresponding path program 1 times [2018-09-20 15:31:29,484 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:31:29,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:31:29,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:29,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:29,645 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 15:31:29,646 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:29,646 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:31:29,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:31:29,649 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:31:29,649 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:31:29,650 INFO L87 Difference]: Start difference. First operand 132 states and 136 transitions. Second operand 3 states. [2018-09-20 15:31:29,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:29,723 INFO L93 Difference]: Finished difference Result 135 states and 138 transitions. [2018-09-20 15:31:29,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:31:29,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-09-20 15:31:29,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:29,727 INFO L225 Difference]: With dead ends: 135 [2018-09-20 15:31:29,728 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:31:29,729 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 15:31:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:31:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-09-20 15:31:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-20 15:31:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 135 transitions. [2018-09-20 15:31:29,743 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 135 transitions. Word has length 57 [2018-09-20 15:31:29,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:29,744 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 135 transitions. [2018-09-20 15:31:29,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:31:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2018-09-20 15:31:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-20 15:31:29,747 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:29,747 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:31:29,748 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:29,748 INFO L82 PathProgramCache]: Analyzing trace with hash 358174954, now seen corresponding path program 1 times [2018-09-20 15:31:29,748 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:31:29,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:31:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:31:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:31:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:31:29,893 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:31:29,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:31:29 BoogieIcfgContainer [2018-09-20 15:31:29,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:31:29,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:31:29,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:31:29,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:31:29,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:29" (3/4) ... [2018-09-20 15:31:29,995 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:31:29,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:31:29,997 INFO L168 Benchmark]: Toolchain (without parser) took 2579.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:30,004 INFO L168 Benchmark]: CDTParser took 0.14 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 15:31:30,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:30,007 INFO L168 Benchmark]: Boogie Preprocessor took 85.53 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:30,008 INFO L168 Benchmark]: RCFGBuilder took 1152.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:30,010 INFO L168 Benchmark]: TraceAbstraction took 974.59 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: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:30,011 INFO L168 Benchmark]: Witness Printer took 8.80 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 15:31:30,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 350.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.53 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1152.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 974.59 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: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Witness Printer took 8.80 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: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L12] static const float one_modf = 1.0; VAL [\old(one_modf)=6442450951, one_modf=1] [L104] float x = -1.0f / 0.0f; VAL [one_modf=1] [L105] FCALL float iptr = __VERIFIER_nondet_float(); VAL [iptr={6442450948:0}, one_modf=1] [L105] FCALL float iptr = __VERIFIER_nondet_float(); VAL [__VERIFIER_nondet_float()=6442450953, iptr={6442450948:0}, one_modf=1] [L106] CALL, EXPR modf_float(x, &iptr) VAL [\old(x)=6442450946, iptr={6442450948:0}, one_modf=1] [L15] __int32_t i0, j0; [L16] __uint32_t i; VAL [\old(x)=6442450946, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L18] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450946, gf_u={6442450949:0}, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L19] FCALL gf_u.value = (x) VAL [\old(x)=6442450946, gf_u={6442450949:0}, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L20] EXPR, FCALL gf_u.word VAL [\old(x)=6442450946, gf_u={6442450949:0}, gf_u.word=2, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L20] (i0) = gf_u.word VAL [\old(x)=6442450946, gf_u={6442450949:0}, gf_u.word=2, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L20] FCALL (i0) = gf_u.word VAL [(i0) = gf_u.word=6442450952, \old(x)=6442450946, gf_u={6442450949:0}, gf_u.word=2, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L21] COND FALSE !(0) VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L22] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, one_modf=1, x=6442450946] [L23] COND TRUE j0 < 23 VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, x=6442450946] [L24] COND TRUE j0 < 0 VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, x=6442450946] [L26] FCALL ieee_float_shape_type sf_u; VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, sf_u={6442450949:0}, x=6442450946] [L27] FCALL sf_u.word = (i0 & 0x80000000) VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, sf_u={6442450949:0}, x=6442450946] [L28] EXPR, FCALL sf_u.value VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, sf_u={6442450949:0}, sf_u.value=6442450952, x=6442450946] [L28] FCALL (*iptr) = sf_u.value VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, sf_u={6442450949:0}, sf_u.value=6442450952, x=6442450946] [L29] COND FALSE !(0) VAL [\old(x)=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, x=6442450946] [L30] RET return x; VAL [\old(x)=6442450946, \result=6442450946, i0=2, iptr={6442450948:0}, iptr={6442450948:0}, j0=-1, one_modf=1, x=6442450946] [L106] EXPR modf_float(x, &iptr) VAL [iptr={6442450948:0}, modf_float(x, &iptr)=6442450946, one_modf=1, x=6442450946] [L106] float res = modf_float(x, &iptr); [L109] EXPR, FCALL \read(iptr) VAL [\read(iptr)=6442450952, iptr={6442450948:0}, one_modf=1, res=6442450946, x=6442450946] [L109] CALL, EXPR isinf_float(iptr) VAL [\old(x)=6442450952, one_modf=1] [L87] __int32_t ix; VAL [\old(x)=6442450952, one_modf=1, x=6442450952] [L89] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450952, gf_u={6442450950:0}, one_modf=1, x=6442450952] [L90] FCALL gf_u.value = (x) VAL [\old(x)=6442450952, gf_u={6442450950:0}, one_modf=1, x=6442450952] [L91] EXPR, FCALL gf_u.word VAL [\old(x)=6442450952, gf_u={6442450950:0}, gf_u.word=6442450944, one_modf=1, x=6442450952] [L91] (ix) = gf_u.word VAL [\old(x)=6442450952, gf_u={6442450950:0}, gf_u.word=6442450944, ix=-2147483648, one_modf=1, x=6442450952] [L91] FCALL (ix) = gf_u.word VAL [(ix) = gf_u.word=6442450947, \old(x)=6442450952, gf_u={6442450950:0}, gf_u.word=6442450944, ix=-2147483648, one_modf=1, x=6442450952] [L92] COND FALSE !(0) VAL [\old(x)=6442450952, ix=-2147483648, one_modf=1, x=6442450952] [L93] ix &= 0x7fffffff [L94] RET return ((ix) == 0x7f800000L); VAL [\old(x)=6442450952, \result=1, ix=2139095040, one_modf=1, x=6442450952] [L109] EXPR isinf_float(iptr) VAL [\read(iptr)=6442450952, iptr={6442450948:0}, isinf_float(iptr)=1, one_modf=1, res=6442450946, x=6442450946] [L109] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) VAL [\read(iptr)=6442450952, iptr={6442450948:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=6442450946, x=6442450946] [L109] COND TRUE isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L109] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [\read(iptr)=6442450952, iptr={6442450948:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=6442450946, res == -0.0f && __signbit_float(res) == 1=0, x=6442450946] [L109] COND FALSE, EXPR !(res == -0.0f && __signbit_float(res) == 1) VAL [\read(iptr)=6442450952, iptr={6442450948:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=6442450946, res == -0.0f && __signbit_float(res) == 1=0, x=6442450946] [L109] isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) VAL [\read(iptr)=6442450952, iptr={6442450948:0}, isinf_float(iptr)=1, isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1)=1, one_modf=1, res=6442450946, res == -0.0f && __signbit_float(res) == 1=0, x=6442450946] [L109] COND TRUE isinf_float(iptr) && !(res == -0.0f && __signbit_float(res) == 1) [L110] __VERIFIER_error() VAL [iptr={6442450948:0}, one_modf=1, res=6442450946, x=6442450946] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 140 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 278 SDtfs, 0 SDslu, 131 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 4092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 15:31:32,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:31:32,477 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:31:32,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:31:32,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:31:32,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:31:32,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:31:32,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:31:32,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:31:32,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:31:32,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:31:32,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:31:32,511 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:31:32,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:31:32,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:31:32,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:31:32,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:31:32,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:31:32,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:31:32,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:31:32,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:31:32,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:31:32,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:31:32,547 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:31:32,547 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:31:32,548 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:31:32,551 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:31:32,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:31:32,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:31:32,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:31:32,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:31:32,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:31:32,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:31:32,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:31:32,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:31:32,563 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:31:32,564 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:31:32,590 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:31:32,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:31:32,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:31:32,597 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:31:32,597 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:31:32,598 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:31:32,598 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:31:32,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:31:32,598 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:31:32,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:31:32,600 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:31:32,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:31:32,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:31:32,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:31:32,601 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:31:32,602 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:31:32,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:31:32,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:31:32,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:31:32,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:31:32,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:31:32,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:31:32,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:31:32,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:31:32,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:31:32,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:31:32,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:31:32,606 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:31:32,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:31:32,607 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:31:32,607 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:31:32,607 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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2018-09-20 15:31:32,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:31:32,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:31:32,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:31:32,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:31:32,703 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:31:32,704 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:33,041 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8428a88c/e169314df2c3415cbbc3cdf5e1257c19/FLAG0649f563f [2018-09-20 15:31:33,166 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:31:33,167 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:33,175 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8428a88c/e169314df2c3415cbbc3cdf5e1257c19/FLAG0649f563f [2018-09-20 15:31:33,191 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8428a88c/e169314df2c3415cbbc3cdf5e1257c19 [2018-09-20 15:31:33,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:31:33,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:31:33,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:31:33,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:31:33,206 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:31:33,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319718f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33, skipping insertion in model container [2018-09-20 15:31:33,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,223 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:31:33,517 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:31:33,553 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:31:33,597 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:31:33,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33 WrapperNode [2018-09-20 15:31:33,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:31:33,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:31:33,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:31:33,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:31:33,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (1/1) ... [2018-09-20 15:31:33,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:31:33,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:31:33,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:31:33,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:31:33,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (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 15:31:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:31:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:31:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-09-20 15:31:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-20 15:31:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-09-20 15:31:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:31:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:31:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-20 15:31:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-09-20 15:31:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:31:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 15:31:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:31:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:31:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:31:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:31:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:31:34,038 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,254 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,279 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,358 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,375 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,385 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,399 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,521 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,719 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,728 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,737 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,830 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,858 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,908 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,933 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:31:34,972 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:31:34,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:34 BoogieIcfgContainer [2018-09-20 15:31:34,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:31:34,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:31:34,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:31:34,978 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:31:34,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:31:33" (1/3) ... [2018-09-20 15:31:34,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fedd83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:31:34, skipping insertion in model container [2018-09-20 15:31:34,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:31:33" (2/3) ... [2018-09-20 15:31:34,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fedd83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:31:34, skipping insertion in model container [2018-09-20 15:31:34,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:34" (3/3) ... [2018-09-20 15:31:34,983 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b_true-unreach-call.c [2018-09-20 15:31:34,995 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:31:35,004 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:31:35,055 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:31:35,056 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:31:35,056 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:31:35,056 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:31:35,057 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:31:35,057 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:31:35,057 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:31:35,057 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:31:35,057 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:31:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-09-20 15:31:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-20 15:31:35,090 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:35,092 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 15:31:35,095 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:35,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1897782458, now seen corresponding path program 1 times [2018-09-20 15:31:35,107 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:31:35,107 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:31:35,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 15:31:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:35,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:31:35,217 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 15:31:35,217 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:31:35,240 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:35,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:31:35,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:31:35,258 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:31:35,258 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:31:35,261 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-09-20 15:31:35,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:35,299 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2018-09-20 15:31:35,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:31:35,303 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-09-20 15:31:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:35,318 INFO L225 Difference]: With dead ends: 267 [2018-09-20 15:31:35,321 INFO L226 Difference]: Without dead ends: 132 [2018-09-20 15:31:35,328 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 15:31:35,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-09-20 15:31:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-09-20 15:31:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-20 15:31:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 136 transitions. [2018-09-20 15:31:35,388 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 136 transitions. Word has length 31 [2018-09-20 15:31:35,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:35,389 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 136 transitions. [2018-09-20 15:31:35,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:31:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2018-09-20 15:31:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-20 15:31:35,393 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:35,393 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:31:35,393 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:35,394 INFO L82 PathProgramCache]: Analyzing trace with hash 661835315, now seen corresponding path program 1 times [2018-09-20 15:31:35,395 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:31:35,396 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 15:31:35,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:35,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:31:35,673 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 15:31:35,677 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 15:31:35,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:35,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:35,745 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 15:31:35,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:31:35,782 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 15:31:35,787 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 15:31:35,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:35,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:35,795 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 15:31:35,796 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:31:36,293 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 15:31:36,293 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:31:36,308 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:36,309 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:31:36,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:31:36,313 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:31:36,314 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:31:36,314 INFO L87 Difference]: Start difference. First operand 132 states and 136 transitions. Second operand 9 states. [2018-09-20 15:31:37,245 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-20 15:31:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:38,807 INFO L93 Difference]: Finished difference Result 176 states and 181 transitions. [2018-09-20 15:31:38,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-20 15:31:38,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-09-20 15:31:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:38,811 INFO L225 Difference]: With dead ends: 176 [2018-09-20 15:31:38,811 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 15:31:38,813 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-09-20 15:31:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 15:31:38,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-09-20 15:31:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-09-20 15:31:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2018-09-20 15:31:38,824 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 57 [2018-09-20 15:31:38,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:38,825 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2018-09-20 15:31:38,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:31:38,825 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-20 15:31:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-20 15:31:38,828 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:38,828 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:31:38,829 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:38,829 INFO L82 PathProgramCache]: Analyzing trace with hash 258065525, now seen corresponding path program 1 times [2018-09-20 15:31:38,831 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:31:38,831 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 15:31:38,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 15:31:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:38,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:31:39,046 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 15:31:39,047 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:31:39,062 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:39,062 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-20 15:31:39,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-20 15:31:39,063 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-20 15:31:39,066 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-20 15:31:39,067 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 3 states. [2018-09-20 15:31:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:39,109 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-09-20 15:31:39,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-20 15:31:39,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-09-20 15:31:39,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:39,112 INFO L225 Difference]: With dead ends: 90 [2018-09-20 15:31:39,112 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 15:31:39,113 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 15:31:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 15:31:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-09-20 15:31:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-09-20 15:31:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-09-20 15:31:39,122 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 68 [2018-09-20 15:31:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:39,123 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-09-20 15:31:39,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-20 15:31:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-09-20 15:31:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-20 15:31:39,126 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:39,127 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:31:39,127 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1117536596, now seen corresponding path program 1 times [2018-09-20 15:31:39,128 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:31:39,128 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 15:31:39,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:39,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:31:39,302 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 13 treesize of output 10 [2018-09-20 15:31:39,307 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 10 treesize of output 9 [2018-09-20 15:31:39,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:39,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:39,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:31:39,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-09-20 15:31:39,340 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 31 treesize of output 23 [2018-09-20 15:31:39,344 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 23 treesize of output 15 [2018-09-20 15:31:39,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:39,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:39,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:31:39,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:15 [2018-09-20 15:31:39,527 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 15:31:39,528 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:31:39,545 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:39,545 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:31:39,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:31:39,546 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:31:39,546 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:31:39,546 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 9 states. [2018-09-20 15:31:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:40,185 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-09-20 15:31:40,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 15:31:40,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2018-09-20 15:31:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:40,189 INFO L225 Difference]: With dead ends: 91 [2018-09-20 15:31:40,189 INFO L226 Difference]: Without dead ends: 87 [2018-09-20 15:31:40,190 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-09-20 15:31:40,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-20 15:31:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-09-20 15:31:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-09-20 15:31:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 86 transitions. [2018-09-20 15:31:40,200 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 86 transitions. Word has length 70 [2018-09-20 15:31:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:40,201 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 86 transitions. [2018-09-20 15:31:40,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:31:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 86 transitions. [2018-09-20 15:31:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-20 15:31:40,204 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:31:40,204 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:40,205 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:31:40,205 INFO L82 PathProgramCache]: Analyzing trace with hash -422775755, now seen corresponding path program 1 times [2018-09-20 15:31:40,205 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:31:40,206 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 15:31:40,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:31:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:31:40,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:31:40,405 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 15:31:40,411 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 15:31:40,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,430 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 15:31:40,431 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:31:40,451 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 15:31:40,456 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 15:31:40,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,473 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 15:31:40,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:31:40,514 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 13 treesize of output 10 [2018-09-20 15:31:40,520 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 10 treesize of output 9 [2018-09-20 15:31:40,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:31:40,537 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-09-20 15:31:40,576 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 31 treesize of output 23 [2018-09-20 15:31:40,580 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 23 treesize of output 15 [2018-09-20 15:31:40,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:31:40,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:25 [2018-09-20 15:31:40,897 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 15:31:40,902 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 15:31:40,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,911 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:40,924 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 15:31:40,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-20 15:31:41,005 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 15:31:41,019 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 15:31:41,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:31:41,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:31:41,038 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 15:31:41,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-20 15:31:41,481 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 15:31:41,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:31:41,496 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:31:41,496 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-20 15:31:41,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-20 15:31:41,502 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-20 15:31:41,502 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:31:41,502 INFO L87 Difference]: Start difference. First operand 87 states and 86 transitions. Second operand 21 states. [2018-09-20 15:31:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:31:45,215 INFO L93 Difference]: Finished difference Result 87 states and 86 transitions. [2018-09-20 15:31:45,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-20 15:31:45,215 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 86 [2018-09-20 15:31:45,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:31:45,216 INFO L225 Difference]: With dead ends: 87 [2018-09-20 15:31:45,216 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:31:45,217 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=175, Invalid=1631, Unknown=0, NotChecked=0, Total=1806 [2018-09-20 15:31:45,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:31:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:31:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:31:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:31:45,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2018-09-20 15:31:45,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:31:45,218 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:31:45,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-20 15:31:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:31:45,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:31:45,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:31:45,475 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L91-2(line 91) no Hoare annotation was computed. [2018-09-20 15:31:45,739 INFO L426 ceAbstractionStarter]: For program point L89-1(line 89) no Hoare annotation was computed. [2018-09-20 15:31:45,740 INFO L426 ceAbstractionStarter]: For program point L89-2(line 89) no Hoare annotation was computed. [2018-09-20 15:31:45,740 INFO L426 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-09-20 15:31:45,740 INFO L426 ceAbstractionStarter]: For program point L89-3(line 89) no Hoare annotation was computed. [2018-09-20 15:31:45,740 INFO L429 ceAbstractionStarter]: At program point L88-3(lines 88 92) the Hoare annotation is: true [2018-09-20 15:31:45,740 INFO L426 ceAbstractionStarter]: For program point L88-4(lines 88 92) no Hoare annotation was computed. [2018-09-20 15:31:45,740 INFO L429 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 86 95) the Hoare annotation is: true [2018-09-20 15:31:45,740 INFO L426 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 86 95) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 86 95) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:31:45,741 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 97 115) no Hoare annotation was computed. [2018-09-20 15:31:45,741 INFO L426 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-09-20 15:31:45,742 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 97 115) no Hoare annotation was computed. [2018-09-20 15:31:45,742 INFO L422 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) [2018-09-20 15:31:45,742 INFO L426 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-09-20 15:31:45,742 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2018-09-20 15:31:45,742 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 97 115) the Hoare annotation is: true [2018-09-20 15:31:45,742 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L422 ceAbstractionStarter]: At program point L109-1(line 109) the Hoare annotation is: (and (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))))) [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L109-4(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L422 ceAbstractionStarter]: At program point L109-5(line 109) the Hoare annotation is: (and (= (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)) main_~x~0) |main_#t~short22| (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE (fp.neg ((_ to_fp 8 24) RNE 1.0)) (_ +zero 8 24)))))) [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,743 INFO L426 ceAbstractionStarter]: For program point L109-6(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L105-3(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L109-8(line 109) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L105-4(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L105-5(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L109-10(lines 109 112) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L105-6(line 105) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-09-20 15:31:45,744 INFO L426 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L422 ceAbstractionStarter]: At program point L36-2(lines 35 40) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-20 15:31:45,745 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L37-1(line 37) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L37-3(line 37) no Hoare annotation was computed. [2018-09-20 15:31:45,746 INFO L426 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L62-2(line 62) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L429 ceAbstractionStarter]: At program point modf_floatENTRY(lines 14 71) the Hoare annotation is: true [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point modf_floatFINAL(lines 14 71) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L39-2(line 39) no Hoare annotation was computed. [2018-09-20 15:31:45,747 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L64-2(lines 56 70) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L23(lines 23 70) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point modf_floatEXIT(lines 14 71) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L422 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L65(line 65) no Hoare annotation was computed. [2018-09-20 15:31:45,748 INFO L426 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L65-2(line 65) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L65-3(line 65) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 55) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L49-2(line 49) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L49-3(line 49) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L41-2(lines 33 47) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-09-20 15:31:45,749 INFO L426 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L33(lines 33 54) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L422 ceAbstractionStarter]: At program point L25-3(lines 25 29) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L25-4(lines 25 29) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L50(line 50) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L426 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:31:45,750 INFO L422 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: (= modf_float_~x |modf_float_#in~x|) [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L67-2(line 67) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 63) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-20 15:31:45,751 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L422 ceAbstractionStarter]: At program point L59-2(lines 58 63) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L26-3(line 26) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-09-20 15:31:45,752 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 73 83) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L429 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 73 83) the Hoare annotation is: true [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 73 83) no Hoare annotation was computed. [2018-09-20 15:31:45,753 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-20 15:31:45,754 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:31:45,754 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-20 15:31:45,754 INFO L422 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-09-20 15:31:45,754 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-20 15:31:45,766 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,768 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,768 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,768 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,769 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,770 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,770 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,771 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,773 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,773 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,774 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,775 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,777 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,777 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,777 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,778 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,778 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,778 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,778 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,778 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,780 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,781 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,782 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,782 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,782 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,782 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,783 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,783 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,783 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,783 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,784 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,784 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,785 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:31:45 BoogieIcfgContainer [2018-09-20 15:31:45,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:31:45,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:31:45,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:31:45,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:31:45,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:31:34" (3/4) ... [2018-09-20 15:31:45,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:31:45,801 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:31:45,801 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-09-20 15:31:45,801 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:31:45,802 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure modf_float [2018-09-20 15:31:45,802 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-09-20 15:31:45,810 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-09-20 15:31:45,810 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-09-20 15:31:45,811 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:31:45,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 15:31:45,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-09-20 15:31:45,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-09-20 15:31:45,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-09-20 15:31:45,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-09-20 15:31:45,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-09-20 15:31:45,927 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:31:45,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:31:45,932 INFO L168 Benchmark]: Toolchain (without parser) took 12736.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -74.9 MB). Peak memory consumption was 141.6 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:45,934 INFO L168 Benchmark]: CDTParser took 0.17 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 15:31:45,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:45,934 INFO L168 Benchmark]: Boogie Preprocessor took 71.98 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:31:45,935 INFO L168 Benchmark]: RCFGBuilder took 1261.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:45,935 INFO L168 Benchmark]: TraceAbstraction took 10813.63 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.9 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:31:45,937 INFO L168 Benchmark]: Witness Printer took 142.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:31:45,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 439.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.98 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1261.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10813.63 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.9 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. * Witness Printer took 142.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: 17]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant [2018-09-20 15:31:45,953 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,953 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,953 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,953 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,957 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,957 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,957 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,958 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 35]: Loop Invariant [2018-09-20 15:31:45,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 48]: Loop Invariant [2018-09-20 15:31:45,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,975 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 25]: Loop Invariant [2018-09-20 15:31:45,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,984 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-09-20 15:31:45,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 140 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 486 SDtfs, 323 SDslu, 2179 SDs, 0 SdLazy, 655 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 34 NumberOfFragments, 300 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 307 ConstructedInterpolants, 48 QuantifiedInterpolants, 123949 SizeOfPredicates, 36 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 44 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! Received shutdown request...