./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 ....................................................................................................................................................................................................................................................................................... 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 /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:59:53,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:59:53,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:59:53,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:59:53,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:59:53,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:59:53,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:59:54,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:59:54,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:59:54,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:59:54,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:59:54,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:59:54,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:59:54,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:59:54,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:59:54,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:59:54,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:59:54,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:59:54,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:59:54,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:59:54,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:59:54,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:59:54,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:59:54,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:59:54,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:59:54,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:59:54,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:59:54,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:59:54,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:59:54,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:59:54,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:59:54,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:59:54,029 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:59:54,029 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:59:54,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:59:54,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:59:54,032 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:59:54,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:59:54,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:59:54,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:59:54,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:59:54,051 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:59:54,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:59:54,051 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:59:54,051 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:59:54,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:59:54,054 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:59:54,054 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:59:54,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:59:54,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:59:54,055 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:59:54,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:59:54,055 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:59:54,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:59:54,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:59:54,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:59:54,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:59:54,057 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:59:54,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:59:54,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:59:54,057 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-31 03:59:54,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:59:54,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:59:54,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:59:54,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:59:54,113 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:59:54,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-31 03:59:54,174 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ac886297/57f210f9654443dd833b46a30d487187/FLAG398eef5ec [2018-12-31 03:59:54,684 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:59:54,684 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-31 03:59:54,693 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ac886297/57f210f9654443dd833b46a30d487187/FLAG398eef5ec [2018-12-31 03:59:55,020 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ac886297/57f210f9654443dd833b46a30d487187 [2018-12-31 03:59:55,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:59:55,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:59:55,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:59:55,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:59:55,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:59:55,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6c8b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55, skipping insertion in model container [2018-12-31 03:59:55,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:59:55,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:59:55,378 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:59:55,391 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:59:55,487 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:59:55,525 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:59:55,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55 WrapperNode [2018-12-31 03:59:55,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:59:55,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:59:55,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:59:55,528 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:59:55,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:59:55,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:59:55,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:59:55,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:59:55,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (1/1) ... [2018-12-31 03:59:55,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:59:55,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:59:55,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:59:55,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:59:55,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (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 [2018-12-31 03:59:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:59:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:59:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:59:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:59:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:59:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:59:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:59:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:59:56,741 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:59:56,742 INFO L280 CfgBuilder]: Removed 30 assue(true) statements. [2018-12-31 03:59:56,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:59:56 BoogieIcfgContainer [2018-12-31 03:59:56,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:59:56,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:59:56,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:59:56,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:59:56,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:59:55" (1/3) ... [2018-12-31 03:59:56,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4931e732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:59:56, skipping insertion in model container [2018-12-31 03:59:56,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:59:55" (2/3) ... [2018-12-31 03:59:56,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4931e732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:59:56, skipping insertion in model container [2018-12-31 03:59:56,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:59:56" (3/3) ... [2018-12-31 03:59:56,751 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-31 03:59:56,762 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:59:56,770 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:59:56,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:59:56,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:59:56,823 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:59:56,823 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:59:56,823 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:59:56,824 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:59:56,824 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:59:56,824 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:59:56,824 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:59:56,824 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:59:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-31 03:59:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 03:59:56,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:59:56,850 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:59:56,852 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:59:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:59:56,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2018-12-31 03:59:56,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:59:56,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:59:56,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:59:56,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:59:56,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:59:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:59:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:59:57,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:59:57,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:59:57,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:59:57,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:59:57,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:59:57,025 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-31 03:59:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:59:57,047 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2018-12-31 03:59:57,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:59:57,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-12-31 03:59:57,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:59:57,061 INFO L225 Difference]: With dead ends: 118 [2018-12-31 03:59:57,061 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 03:59:57,064 INFO L631 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 [2018-12-31 03:59:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 03:59:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 03:59:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 03:59:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-31 03:59:57,106 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2018-12-31 03:59:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:59:57,107 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-31 03:59:57,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:59:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-31 03:59:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:59:57,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:59:57,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:59:57,108 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:59:57,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:59:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2018-12-31 03:59:57,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:59:57,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:59:57,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:59:57,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:59:57,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:59:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:59:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:59:57,190 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:59:57,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:59:57 BoogieIcfgContainer [2018-12-31 03:59:57,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:59:57,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:59:57,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:59:57,228 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:59:57,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:59:56" (3/4) ... [2018-12-31 03:59:57,233 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:59:57,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:59:57,234 INFO L168 Benchmark]: Toolchain (without parser) took 2209.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:59:57,236 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:59:57,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.39 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:59:57,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -210.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:59:57,239 INFO L168 Benchmark]: Boogie Preprocessor took 47.19 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. [2018-12-31 03:59:57,240 INFO L168 Benchmark]: RCFGBuilder took 996.92 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:59:57,240 INFO L168 Benchmark]: TraceAbstraction took 483.44 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-31 03:59:57,241 INFO L168 Benchmark]: Witness Printer took 6.05 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. [2018-12-31 03:59:57,246 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 500.39 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 929.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 170.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -210.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.19 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. * RCFGBuilder took 996.92 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: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 483.44 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 6.05 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:59:59,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:59:59,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:59:59,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:59:59,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:59:59,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:59:59,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:59:59,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:59:59,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:59:59,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:59:59,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:59:59,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:59:59,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:59:59,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:59:59,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:59:59,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:59:59,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:59:59,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:59:59,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:59:59,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:59:59,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:59:59,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:59:59,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:59:59,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:59:59,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:59:59,579 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:59:59,580 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:59:59,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:59:59,581 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:59:59,583 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:59:59,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:59:59,584 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:59:59,584 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:59:59,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:59:59,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:59:59,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:59:59,586 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:59:59,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:59:59,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:59:59,621 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:59:59,621 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:59:59,622 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:59:59,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:59:59,622 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:59:59,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:59:59,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:59:59,623 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:59:59,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:59:59,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:59:59,624 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:59:59,624 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:59:59,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:59:59,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:59:59,624 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:59:59,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:59:59,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:59:59,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:59:59,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:59:59,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:59:59,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:59:59,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:59:59,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:59:59,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:59:59,627 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:59:59,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:59:59,630 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:59:59,630 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:59:59,630 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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-31 03:59:59,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:59:59,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:59:59,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:59:59,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:59:59,697 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:59:59,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-31 03:59:59,780 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9551b8fd7/8bd3d689d8d3449b883e6b5416c7970c/FLAGbdb1b21e9 [2018-12-31 04:00:00,310 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:00:00,311 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-31 04:00:00,320 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9551b8fd7/8bd3d689d8d3449b883e6b5416c7970c/FLAGbdb1b21e9 [2018-12-31 04:00:00,635 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9551b8fd7/8bd3d689d8d3449b883e6b5416c7970c [2018-12-31 04:00:00,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:00:00,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:00:00,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:00,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:00:00,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:00:00,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:00" (1/1) ... [2018-12-31 04:00:00,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6c8b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:00, skipping insertion in model container [2018-12-31 04:00:00,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:00:00" (1/1) ... [2018-12-31 04:00:00,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:00:00,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:00:00,964 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:00,974 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:00:01,030 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:00:01,061 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:00:01,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01 WrapperNode [2018-12-31 04:00:01,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:00:01,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:01,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:00:01,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:00:01,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:00:01,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:00:01,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:00:01,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:00:01,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (1/1) ... [2018-12-31 04:00:01,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:00:01,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:00:01,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:00:01,281 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:00:01,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (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 [2018-12-31 04:00:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:00:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 04:00:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 04:00:01,682 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:06,541 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:08,761 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:12,096 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:14,296 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 04:00:14,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:00:14,317 INFO L280 CfgBuilder]: Removed 30 assue(true) statements. [2018-12-31 04:00:14,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:14 BoogieIcfgContainer [2018-12-31 04:00:14,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:00:14,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:00:14,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:00:14,321 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:00:14,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:00:00" (1/3) ... [2018-12-31 04:00:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ed336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:14, skipping insertion in model container [2018-12-31 04:00:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:00:01" (2/3) ... [2018-12-31 04:00:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ed336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:00:14, skipping insertion in model container [2018-12-31 04:00:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:14" (3/3) ... [2018-12-31 04:00:14,326 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-31 04:00:14,337 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:00:14,347 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:00:14,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:00:14,396 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:00:14,396 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:00:14,396 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:00:14,397 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:00:14,397 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:00:14,397 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:00:14,397 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:00:14,397 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:00:14,397 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:00:14,413 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-31 04:00:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-31 04:00:14,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:14,421 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:14,423 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:14,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:14,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2018-12-31 04:00:14,433 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:14,434 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 04:00:14,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:14,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:14,670 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:14,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:14,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 04:00:14,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 04:00:14,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 04:00:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:14,706 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-31 04:00:14,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:14,732 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2018-12-31 04:00:14,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 04:00:14,733 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-12-31 04:00:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:14,745 INFO L225 Difference]: With dead ends: 118 [2018-12-31 04:00:14,746 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 04:00:14,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 04:00:14,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 04:00:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 04:00:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 04:00:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-31 04:00:14,795 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2018-12-31 04:00:14,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:14,796 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-31 04:00:14,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 04:00:14,796 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-31 04:00:14,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 04:00:14,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:14,797 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:14,797 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:14,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:14,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2018-12-31 04:00:14,798 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:14,799 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 [2018-12-31 04:00:14,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:15,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:15,253 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:15,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:15,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:00:15,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 04:00:15,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 04:00:15,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:00:15,268 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 5 states. [2018-12-31 04:00:16,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:16,783 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2018-12-31 04:00:16,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 04:00:16,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-12-31 04:00:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:16,786 INFO L225 Difference]: With dead ends: 104 [2018-12-31 04:00:16,786 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 04:00:16,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 04:00:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 04:00:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 04:00:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 04:00:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2018-12-31 04:00:16,802 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2018-12-31 04:00:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:16,802 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2018-12-31 04:00:16,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 04:00:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-12-31 04:00:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-31 04:00:16,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:16,804 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:16,805 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:16,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2018-12-31 04:00:16,806 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:16,807 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 04:00:16,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:16,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:17,028 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:17,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:17,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 04:00:17,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 04:00:17,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 04:00:17,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 04:00:17,040 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 5 states. [2018-12-31 04:00:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:17,288 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2018-12-31 04:00:17,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 04:00:17,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-31 04:00:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:17,295 INFO L225 Difference]: With dead ends: 69 [2018-12-31 04:00:17,295 INFO L226 Difference]: Without dead ends: 66 [2018-12-31 04:00:17,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 04:00:17,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-31 04:00:17,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2018-12-31 04:00:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-31 04:00:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2018-12-31 04:00:17,320 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2018-12-31 04:00:17,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:17,320 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2018-12-31 04:00:17,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 04:00:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-12-31 04:00:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 04:00:17,322 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:17,322 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:17,322 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:17,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:17,323 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2018-12-31 04:00:17,323 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:17,324 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) [2018-12-31 04:00:17,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-31 04:00:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:17,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:17,568 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:17,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:17,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 04:00:17,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 04:00:17,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 04:00:17,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-31 04:00:17,580 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 9 states. [2018-12-31 04:00:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:18,374 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2018-12-31 04:00:18,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 04:00:18,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-12-31 04:00:18,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:18,377 INFO L225 Difference]: With dead ends: 66 [2018-12-31 04:00:18,378 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 04:00:18,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-12-31 04:00:18,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 04:00:18,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 04:00:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 04:00:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2018-12-31 04:00:18,390 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2018-12-31 04:00:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:18,391 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2018-12-31 04:00:18,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 04:00:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-12-31 04:00:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 04:00:18,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:18,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:18,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:18,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2018-12-31 04:00:18,397 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:18,398 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 [2018-12-31 04:00:18,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:20,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:20,140 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:20,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:20,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 04:00:20,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 04:00:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 04:00:20,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:00:20,176 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 4 states. [2018-12-31 04:00:20,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:20,200 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2018-12-31 04:00:20,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 04:00:20,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-31 04:00:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:20,203 INFO L225 Difference]: With dead ends: 57 [2018-12-31 04:00:20,203 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:00:20,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 04:00:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:00:20,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:00:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:00:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:00:20,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-31 04:00:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:20,206 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:00:20,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 04:00:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:00:20,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:00:20,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:00:20,527 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-31 04:00:20,528 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2018-12-31 04:00:20,528 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-31 04:00:20,528 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-31 04:00:20,528 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-31 04:00:20,528 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-31 04:00:20,528 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:00:20,529 INFO L451 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2018-12-31 04:00:20,529 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-31 04:00:20,529 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-12-31 04:00:20,529 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-31 04:00:20,529 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-31 04:00:20,531 INFO L444 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (= (_ bv0 32) |ULTIMATE.start___signbit_float_#res|) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2018-12-31 04:00:20,531 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-31 04:00:20,531 INFO L444 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2018-12-31 04:00:20,531 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-31 04:00:20,531 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-31 04:00:20,531 INFO L444 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2018-12-31 04:00:20,531 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-31 04:00:20,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:00:20,533 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-31 04:00:20,533 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-31 04:00:20,533 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-31 04:00:20,533 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L444 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2018-12-31 04:00:20,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-31 04:00:20,534 INFO L444 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2018-12-31 04:00:20,536 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-31 04:00:20,536 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-31 04:00:20,536 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-31 04:00:20,537 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-31 04:00:20,537 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-31 04:00:20,537 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2018-12-31 04:00:20,537 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-31 04:00:20,537 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-31 04:00:20,537 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-31 04:00:20,538 INFO L444 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2018-12-31 04:00:20,539 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-31 04:00:20,539 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-31 04:00:20,539 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-31 04:00:20,539 INFO L444 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2018-12-31 04:00:20,540 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) |ULTIMATE.start_main_#t~short21| (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 8 24)) (= ULTIMATE.start___signbit_float_~x (_ +zero 8 24))) [2018-12-31 04:00:20,540 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:00:20,541 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-31 04:00:20,542 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-31 04:00:20,542 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-31 04:00:20,542 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-31 04:00:20,542 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-31 04:00:20,542 INFO L444 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___ieee754_asinf_~x) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1) ULTIMATE.start___ieee754_asinf_~ix~2))) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_asinf_#res|)) [2018-12-31 04:00:20,542 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-31 04:00:20,554 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,556 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,556 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,556 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,563 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,564 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,567 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,569 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,571 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,571 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,572 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,572 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,573 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,574 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,574 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,574 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,575 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,577 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,578 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,578 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,578 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:00:20 BoogieIcfgContainer [2018-12-31 04:00:20,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:00:20,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:00:20,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:00:20,583 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:00:20,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:00:14" (3/4) ... [2018-12-31 04:00:20,588 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:00:20,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-31 04:00:20,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-31 04:00:20,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == \result [2018-12-31 04:00:20,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2018-12-31 04:00:20,637 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() [2018-12-31 04:00:20,697 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:00:20,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:00:20,702 INFO L168 Benchmark]: Toolchain (without parser) took 20062.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.3 MB in the beginning and 905.6 MB in the end (delta: 45.8 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,704 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:00:20,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,706 INFO L168 Benchmark]: Boogie Preprocessor took 66.67 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,706 INFO L168 Benchmark]: RCFGBuilder took 13036.45 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. [2018-12-31 04:00:20,717 INFO L168 Benchmark]: TraceAbstraction took 6263.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.3 MB in the end (delta: 156.3 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,717 INFO L168 Benchmark]: Witness Printer took 118.36 ms. Allocated memory is still 1.2 GB. Free memory was 912.3 MB in the beginning and 905.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:20,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 151.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.67 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13036.45 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. * TraceAbstraction took 6263.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.3 MB in the end (delta: 156.3 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. * Witness Printer took 118.36 ms. Allocated memory is still 1.2 GB. Free memory was 912.3 MB in the beginning and 905.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2018-12-31 04:00:20,739 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,739 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,739 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,739 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,740 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,740 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && 0bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2018-12-31 04:00:20,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,748 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,748 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,748 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 120]: Loop Invariant [2018-12-31 04:00:20,749 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,749 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,749 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,749 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,750 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,750 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,750 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 04:00:20,750 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2018-12-31 04:00:20,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,761 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-31 04:00:20,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) == ix)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 372 SDslu, 487 SDs, 0 SdLazy, 92 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 149 HoareAnnotationTreeSize, 13 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 1 QuantifiedInterpolants, 7638 SizeOfPredicates, 25 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 36 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...