./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_0620b_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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ...................................................................................................................................................................................................................................................................................................... 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_0620b_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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:11:26,948 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:11:26,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:11:26,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:11:26,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:11:26,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:11:26,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:11:26,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:11:26,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:11:26,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:11:26,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:11:26,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:11:26,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:11:26,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:11:26,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:11:26,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:11:26,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:11:27,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:11:27,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:11:27,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:11:27,010 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:11:27,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:11:27,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:11:27,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:11:27,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:11:27,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:11:27,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:11:27,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:11:27,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:11:27,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:11:27,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:11:27,021 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:11:27,021 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:11:27,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:11:27,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:11:27,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:11:27,023 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:11:27,038 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:11:27,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:11:27,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:11:27,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:11:27,040 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:11:27,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:11:27,041 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:11:27,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:11:27,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:11:27,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:11:27,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:11:27,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:11:27,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:11:27,043 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:11:27,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:11:27,043 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:11:27,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:11:27,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:11:27,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:11:27,047 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:11:27,048 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:11:27,048 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:11:27,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:11:27,048 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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2019-01-12 09:11:27,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:11:27,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:11:27,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:11:27,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:11:27,118 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:11:27,119 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:27,180 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d454ad1b/6d0ab5291dc34b5eaabfc19747d0921e/FLAG4a65ec6fa [2019-01-12 09:11:27,687 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:11:27,688 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:27,696 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d454ad1b/6d0ab5291dc34b5eaabfc19747d0921e/FLAG4a65ec6fa [2019-01-12 09:11:28,044 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d454ad1b/6d0ab5291dc34b5eaabfc19747d0921e [2019-01-12 09:11:28,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:11:28,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:11:28,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:28,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:11:28,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:11:28,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231b68e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28, skipping insertion in model container [2019-01-12 09:11:28,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:11:28,098 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:11:28,345 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:28,355 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:11:28,401 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:28,429 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:11:28,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28 WrapperNode [2019-01-12 09:11:28,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:28,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:28,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:11:28,430 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:11:28,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:28,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:11:28,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:11:28,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:11:28,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (1/1) ... [2019-01-12 09:11:28,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:11:28,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:11:28,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:11:28,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:11:28,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (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 [2019-01-12 09:11:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:11:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:11:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:11:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:11:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:11:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:11:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:11:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-01-12 09:11:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:11:29,331 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:11:29,331 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:11:29,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:29 BoogieIcfgContainer [2019-01-12 09:11:29,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:11:29,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:11:29,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:11:29,336 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:11:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:11:28" (1/3) ... [2019-01-12 09:11:29,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be58527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:29, skipping insertion in model container [2019-01-12 09:11:29,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:28" (2/3) ... [2019-01-12 09:11:29,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be58527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:29, skipping insertion in model container [2019-01-12 09:11:29,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:29" (3/3) ... [2019-01-12 09:11:29,340 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:29,351 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:11:29,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:11:29,376 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:11:29,406 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:11:29,406 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:11:29,406 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:11:29,407 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:11:29,407 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:11:29,407 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:11:29,407 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:11:29,407 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:11:29,407 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:11:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-01-12 09:11:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:11:29,427 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:29,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:29,430 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:29,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:29,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2019-01-12 09:11:29,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:11:29,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:11:29,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:29,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:29,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:29,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:29,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:11:29,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:11:29,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:11:29,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:29,601 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-01-12 09:11:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:29,622 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-01-12 09:11:29,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:11:29,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:11:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:29,635 INFO L225 Difference]: With dead ends: 72 [2019-01-12 09:11:29,636 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 09:11:29,639 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 [2019-01-12 09:11:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 09:11:29,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-12 09:11:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-12 09:11:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-01-12 09:11:29,671 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2019-01-12 09:11:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:29,671 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-01-12 09:11:29,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:11:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-01-12 09:11:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:11:29,672 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:29,673 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:29,673 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:29,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2019-01-12 09:11:29,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:11:29,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:11:29,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:29,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:29,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:11:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:11:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:11:29,886 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:11:29,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:11:29 BoogieIcfgContainer [2019-01-12 09:11:29,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:11:29,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:11:29,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:11:29,931 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:11:29,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:29" (3/4) ... [2019-01-12 09:11:29,937 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:11:29,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:11:29,938 INFO L168 Benchmark]: Toolchain (without parser) took 1889.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.8 MB). Free memory was 951.3 MB in the beginning and 990.0 MB in the end (delta: -38.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:29,941 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-12 09:11:29,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.47 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. [2019-01-12 09:11:29,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.8 MB). Free memory was 935.2 MB in the beginning and 1.0 GB in the end (delta: -111.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:29,944 INFO L168 Benchmark]: Boogie Preprocessor took 56.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:11:29,944 INFO L168 Benchmark]: RCFGBuilder took 719.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:29,946 INFO L168 Benchmark]: TraceAbstraction took 597.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 990.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:29,947 INFO L168 Benchmark]: Witness Printer took 6.39 ms. Allocated memory is still 1.1 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:11:29,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.47 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 125.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 59.8 MB). Free memory was 935.2 MB in the beginning and 1.0 GB in the end (delta: -111.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 719.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 597.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 990.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.39 ms. Allocated memory is still 1.1 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = -0.0f; [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] return x + x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 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=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.24-0ed9222-m [2019-01-12 09:11:32,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:11:32,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:11:32,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:11:32,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:11:32,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:11:32,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:11:32,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:11:32,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:11:32,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:11:32,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:11:32,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:11:32,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:11:32,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:11:32,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:11:32,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:11:32,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:11:32,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:11:32,311 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:11:32,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:11:32,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:11:32,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:11:32,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:11:32,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:11:32,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:11:32,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:11:32,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:11:32,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:11:32,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:11:32,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:11:32,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:11:32,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:11:32,328 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:11:32,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:11:32,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:11:32,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:11:32,330 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:11:32,350 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:11:32,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:11:32,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:11:32,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:11:32,352 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:11:32,353 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:11:32,353 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:11:32,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:11:32,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:11:32,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:11:32,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:11:32,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:11:32,354 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:11:32,354 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:11:32,354 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:11:32,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:11:32,355 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:11:32,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:11:32,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:11:32,355 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:11:32,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:11:32,355 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:11:32,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:11:32,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:11:32,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:11:32,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:11:32,356 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:11:32,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:11:32,357 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:11:32,357 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:11:32,357 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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2019-01-12 09:11:32,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:11:32,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:11:32,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:11:32,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:11:32,435 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:11:32,435 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:32,500 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cb370/8e20260ee83c4a5d9fabec87e612581e/FLAG5dbf278ff [2019-01-12 09:11:32,961 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:11:32,962 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:32,970 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cb370/8e20260ee83c4a5d9fabec87e612581e/FLAG5dbf278ff [2019-01-12 09:11:33,311 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2137cb370/8e20260ee83c4a5d9fabec87e612581e [2019-01-12 09:11:33,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:11:33,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:11:33,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:33,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:11:33,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:11:33,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4360fefa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33, skipping insertion in model container [2019-01-12 09:11:33,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:11:33,370 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:11:33,694 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:33,709 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:11:33,762 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:11:33,799 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:11:33,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33 WrapperNode [2019-01-12 09:11:33,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:11:33,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:33,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:11:33,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:11:33,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:11:33,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:11:33,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:11:33,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:11:33,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:33,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:34,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:34,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:34,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... [2019-01-12 09:11:34,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:11:34,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:11:34,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:11:34,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:11:34,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:11:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-01-12 09:11:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:11:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-01-12 09:11:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:11:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:11:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:11:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-01-12 09:11:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:11:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:11:34,440 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:34,536 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:35,040 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:43,895 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:11:43,936 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:11:43,936 INFO L286 CfgBuilder]: Removed 18 assue(true) statements. [2019-01-12 09:11:43,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:43 BoogieIcfgContainer [2019-01-12 09:11:43,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:11:43,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:11:43,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:11:43,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:11:43,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:11:33" (1/3) ... [2019-01-12 09:11:43,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59048334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:43, skipping insertion in model container [2019-01-12 09:11:43,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:11:33" (2/3) ... [2019-01-12 09:11:43,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59048334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:11:43, skipping insertion in model container [2019-01-12 09:11:43,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:43" (3/3) ... [2019-01-12 09:11:43,945 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2019-01-12 09:11:43,954 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:11:43,962 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:11:43,978 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:11:44,005 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:11:44,006 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:11:44,006 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:11:44,006 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:11:44,006 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:11:44,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:11:44,006 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:11:44,007 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:11:44,007 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:11:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-01-12 09:11:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:11:44,025 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:44,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:44,029 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:44,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:44,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1030429181, now seen corresponding path program 1 times [2019-01-12 09:11:44,039 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:44,040 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 [2019-01-12 09:11:44,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:44,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:44,188 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:44,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:44,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:11:44,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:11:44,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:11:44,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:44,225 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-01-12 09:11:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:44,243 INFO L93 Difference]: Finished difference Result 72 states and 112 transitions. [2019-01-12 09:11:44,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:11:44,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:11:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:44,259 INFO L225 Difference]: With dead ends: 72 [2019-01-12 09:11:44,260 INFO L226 Difference]: Without dead ends: 34 [2019-01-12 09:11:44,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:11:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-12 09:11:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-12 09:11:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-12 09:11:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-01-12 09:11:44,312 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 10 [2019-01-12 09:11:44,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:44,313 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-01-12 09:11:44,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:11:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2019-01-12 09:11:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:11:44,314 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:44,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:44,315 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:44,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1304878016, now seen corresponding path program 1 times [2019-01-12 09:11:44,317 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:44,317 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 [2019-01-12 09:11:44,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:44,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:44,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:44,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:44,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:11:44,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:11:44,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:11:44,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:11:44,755 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 5 states. [2019-01-12 09:11:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:50,242 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-01-12 09:11:50,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:11:50,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 09:11:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:50,245 INFO L225 Difference]: With dead ends: 57 [2019-01-12 09:11:50,245 INFO L226 Difference]: Without dead ends: 32 [2019-01-12 09:11:50,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:11:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-12 09:11:50,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2019-01-12 09:11:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-12 09:11:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-01-12 09:11:50,251 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 11 [2019-01-12 09:11:50,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:50,251 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-01-12 09:11:50,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:11:50,252 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-01-12 09:11:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-12 09:11:50,252 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:50,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:50,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:50,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:50,253 INFO L82 PathProgramCache]: Analyzing trace with hash -413875709, now seen corresponding path program 1 times [2019-01-12 09:11:50,254 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:50,254 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 [2019-01-12 09:11:50,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:50,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:50,627 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:50,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:50,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:11:50,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:11:50,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:11:50,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:11:50,641 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2019-01-12 09:11:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:54,441 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-01-12 09:11:54,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:11:54,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-01-12 09:11:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:54,443 INFO L225 Difference]: With dead ends: 35 [2019-01-12 09:11:54,443 INFO L226 Difference]: Without dead ends: 32 [2019-01-12 09:11:54,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:11:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-12 09:11:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-01-12 09:11:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-12 09:11:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-01-12 09:11:54,450 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2019-01-12 09:11:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:54,450 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-01-12 09:11:54,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:11:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-01-12 09:11:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 09:11:54,451 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:54,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:54,452 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:54,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:54,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1848532469, now seen corresponding path program 1 times [2019-01-12 09:11:54,453 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:54,453 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) [2019-01-12 09:11:54,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:11:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:55,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:55,682 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:55,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:55,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 09:11:55,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:11:55,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:11:55,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:11:55,711 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 4 states. [2019-01-12 09:11:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:55,789 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-01-12 09:11:55,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:11:55,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-01-12 09:11:55,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:55,797 INFO L225 Difference]: With dead ends: 32 [2019-01-12 09:11:55,797 INFO L226 Difference]: Without dead ends: 18 [2019-01-12 09:11:55,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:11:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-01-12 09:11:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-01-12 09:11:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-12 09:11:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-01-12 09:11:55,802 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-01-12 09:11:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:55,802 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-01-12 09:11:55,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:11:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-01-12 09:11:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:11:55,803 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:11:55,803 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:11:55,804 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:11:55,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:11:55,804 INFO L82 PathProgramCache]: Analyzing trace with hash 712330328, now seen corresponding path program 1 times [2019-01-12 09:11:55,805 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:11:55,805 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 [2019-01-12 09:11:55,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:11:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:11:56,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:11:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:11:56,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:11:56,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:11:56,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-12 09:11:56,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-12 09:11:56,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-12 09:11:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:11:56,530 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 9 states. [2019-01-12 09:11:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:11:56,900 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-01-12 09:11:56,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-12 09:11:56,901 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-01-12 09:11:56,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:11:56,902 INFO L225 Difference]: With dead ends: 18 [2019-01-12 09:11:56,902 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:11:56,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-01-12 09:11:56,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:11:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:11:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:11:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:11:56,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-01-12 09:11:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:11:56,905 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:11:56,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-12 09:11:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:11:56,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:11:56,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:11:57,231 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-01-12 09:11:57,379 INFO L444 ceAbstractionStarter]: At program point L126(lines 117 127) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)) .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) |ULTIMATE.start_main_#t~short29| (= ULTIMATE.start_atan_float_~x .cse0) (= (_ bv1 32) |ULTIMATE.start___signbit_float_#res|) (= |ULTIMATE.start_atan_float_#res| .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= ULTIMATE.start___signbit_float_~x .cse0))) [2019-01-12 09:11:57,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:11:57,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:11:57,379 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:11:57,379 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) |ULTIMATE.start_main_#t~short29| (= ULTIMATE.start_atan_float_~x .cse0) (= |ULTIMATE.start_atan_float_#res| .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= ULTIMATE.start___signbit_float_~x .cse0))) [2019-01-12 09:11:57,380 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2019-01-12 09:11:57,381 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2019-01-12 09:11:57,382 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2019-01-12 09:11:57,382 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2019-01-12 09:11:57,382 INFO L451 ceAbstractionStarter]: At program point L146(lines 129 147) the Hoare annotation is: true [2019-01-12 09:11:57,382 INFO L448 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-01-12 09:11:57,382 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2019-01-12 09:11:57,382 INFO L448 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2019-01-12 09:11:57,383 INFO L444 ceAbstractionStarter]: At program point L113-3(lines 53 115) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ULTIMATE.start_atan_float_~x .cse0) (= |ULTIMATE.start_atan_float_#res| .cse0))) [2019-01-12 09:11:57,383 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2019-01-12 09:11:57,383 INFO L448 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ULTIMATE.start_atan_float_~x (fp.neg (_ +zero 8 24)))) [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2019-01-12 09:11:57,384 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-01-12 09:11:57,385 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2019-01-12 09:11:57,386 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2019-01-12 09:11:57,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2019-01-12 09:11:57,386 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:11:57,386 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-01-12 09:11:57,387 INFO L448 ceAbstractionStarter]: For program point L141-2(lines 141 144) no Hoare annotation was computed. [2019-01-12 09:11:57,388 INFO L444 ceAbstractionStarter]: At program point L26(lines 14 27) the Hoare annotation is: false [2019-01-12 09:11:57,388 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-01-12 09:11:57,388 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2019-01-12 09:11:57,399 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,400 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,401 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,401 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,411 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,412 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,413 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,414 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,414 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,414 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,415 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,415 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,417 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:11:57 BoogieIcfgContainer [2019-01-12 09:11:57,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:11:57,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:11:57,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:11:57,421 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:11:57,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:11:43" (3/4) ... [2019-01-12 09:11:57,426 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:11:57,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-12 09:11:57,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:11:57,441 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:11:57,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-01-12 09:11:57,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-01-12 09:11:57,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-01-12 09:11:57,526 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:11:57,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:11:57,527 INFO L168 Benchmark]: Toolchain (without parser) took 24212.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.3 MB in the beginning and 940.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:57,529 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-12 09:11:57,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.57 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. [2019-01-12 09:11:57,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:57,531 INFO L168 Benchmark]: Boogie Preprocessor took 82.54 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. [2019-01-12 09:11:57,531 INFO L168 Benchmark]: RCFGBuilder took 9912.40 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:57,532 INFO L168 Benchmark]: TraceAbstraction took 13482.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.9 MB in the end (delta: 147.2 MB). Peak memory consumption was 147.2 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:57,532 INFO L168 Benchmark]: Witness Printer took 105.82 ms. Allocated memory is still 1.2 GB. Free memory was 946.9 MB in the beginning and 940.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:11:57,537 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 483.57 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 141.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.54 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 9912.40 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13482.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.9 MB in the end (delta: 147.2 MB). Peak memory consumption was 147.2 MB. Max. memory is 11.5 GB. * Witness Printer took 105.82 ms. Allocated memory is still 1.2 GB. Free memory was 946.9 MB in the beginning and 940.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~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 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 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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant [2019-01-12 09:11:57,544 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,553 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,553 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,553 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,554 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,554 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,555 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,555 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant [2019-01-12 09:11:57,555 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,559 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,559 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,559 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,560 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant [2019-01-12 09:11:57,561 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,561 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,561 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,562 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,563 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,563 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 117]: Loop Invariant [2019-01-12 09:11:57,563 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,568 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,568 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:11:57,572 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. SAFE Result, 13.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 9.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 123 SDslu, 128 SDs, 0 SdLazy, 65 SolverSat, 10 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 122 HoareAnnotationTreeSize, 7 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 1 QuantifiedInterpolants, 4364 SizeOfPredicates, 25 NumberOfNonLiveVariables, 448 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...