./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a ............................................................................................................................................................................................................................................................................................... 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/double_req_bl_1121b_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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:58:24,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:24,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:24,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:24,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:24,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:24,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:24,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:24,340 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:24,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:24,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:24,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:24,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:24,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:24,354 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:24,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:24,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:24,360 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:24,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:24,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:24,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:24,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:24,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:24,385 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:24,385 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:24,386 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:24,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:24,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:24,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:24,403 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:24,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:24,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:24,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:24,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:24,408 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:24,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:24,411 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:58:24,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:24,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:24,444 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:24,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:24,446 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:24,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:24,447 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:24,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:58:24,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:24,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:24,447 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:24,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:24,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:24,449 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:24,449 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:24,450 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:24,450 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:24,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:24,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:24,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:24,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:24,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:24,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:24,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:24,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:24,454 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:58:24,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:24,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:58:24,454 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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2018-12-31 03:58:24,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:24,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:24,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:24,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:24,533 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:24,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:24,589 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6e7091c/dbb433b3185c478aa6bea58d314e5286/FLAG3605faa9e [2018-12-31 03:58:25,068 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:25,069 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:25,076 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6e7091c/dbb433b3185c478aa6bea58d314e5286/FLAG3605faa9e [2018-12-31 03:58:25,386 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc6e7091c/dbb433b3185c478aa6bea58d314e5286 [2018-12-31 03:58:25,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:25,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:25,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:25,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:25,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:25,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:25,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12db68d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25, skipping insertion in model container [2018-12-31 03:58:25,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:25,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:25,442 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:25,777 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:25,788 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:25,840 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:25,866 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:25,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25 WrapperNode [2018-12-31 03:58:25,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:25,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:25,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:25,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:25,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:25,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:26,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:26,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:26,010 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:26,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... [2018-12-31 03:58:26,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:26,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:26,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:26,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:26,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:58:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:58:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:58:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:58:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-31 03:58:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:27,010 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:27,011 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 03:58:27,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:27 BoogieIcfgContainer [2018-12-31 03:58:27,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:27,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:27,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:27,017 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:27,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:25" (1/3) ... [2018-12-31 03:58:27,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9c3cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:27, skipping insertion in model container [2018-12-31 03:58:27,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:25" (2/3) ... [2018-12-31 03:58:27,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9c3cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:27, skipping insertion in model container [2018-12-31 03:58:27,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:27" (3/3) ... [2018-12-31 03:58:27,023 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:27,035 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:27,044 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:27,065 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:27,102 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:27,103 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:27,103 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:27,103 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:27,104 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:27,104 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:27,104 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:27,104 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:27,105 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-31 03:58:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:58:27,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:27,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:27,142 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:27,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:27,153 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2018-12-31 03:58:27,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:27,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:27,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:27,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:27,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:27,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:27,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:27,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:27,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:27,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:27,332 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-31 03:58:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:27,358 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2018-12-31 03:58:27,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:27,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:58:27,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:27,374 INFO L225 Difference]: With dead ends: 108 [2018-12-31 03:58:27,374 INFO L226 Difference]: Without dead ends: 52 [2018-12-31 03:58:27,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:27,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-31 03:58:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-31 03:58:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-31 03:58:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2018-12-31 03:58:27,434 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2018-12-31 03:58:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:27,436 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2018-12-31 03:58:27,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2018-12-31 03:58:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:58:27,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:27,437 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:27,437 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:27,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:27,438 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2018-12-31 03:58:27,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:27,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:27,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:27,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:27,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:27,717 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:58:27,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:27 BoogieIcfgContainer [2018-12-31 03:58:27,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:27,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:27,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:27,763 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:27,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:27" (3/4) ... [2018-12-31 03:58:27,770 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:58:27,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:27,771 INFO L168 Benchmark]: Toolchain (without parser) took 2380.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:27,774 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. [2018-12-31 03:58:27,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:27,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:27,777 INFO L168 Benchmark]: Boogie Preprocessor took 47.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:27,778 INFO L168 Benchmark]: RCFGBuilder took 953.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:27,779 INFO L168 Benchmark]: TraceAbstraction took 749.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:27,780 INFO L168 Benchmark]: Witness Printer took 7.44 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. [2018-12-31 03:58:27,785 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 475.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 953.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 749.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.44 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 170, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L169] double x = __VERIFIER_nondet_double(); [L170] double y = -0.0; [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={1:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L171] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={1:0}] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 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=55occurred 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, 22 NumberOfCodeBlocks, 22 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 0.1.24-2e94e6a [2018-12-31 03:58:30,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:30,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:30,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:30,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:30,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:30,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:30,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:30,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:30,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:30,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:30,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:30,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:30,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:30,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:30,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:30,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:30,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:30,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:30,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:30,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:30,245 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:30,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:30,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:30,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:30,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:30,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:30,254 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:30,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:30,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:30,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:30,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:30,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:30,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:30,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:30,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:30,267 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:58:30,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:30,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:30,301 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:30,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:30,303 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:30,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:30,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:30,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:30,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:58:30,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:30,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:30,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:30,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:30,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:30,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:30,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:30,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:30,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:30,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:30,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:30,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:30,307 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:58:30,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:30,307 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:58:30,308 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:58:30,308 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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2018-12-31 03:58:30,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:30,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:30,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:30,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:30,376 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:30,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:30,444 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22bf082f2/fb36e124b77845ba9fdf627c3c700de8/FLAG22619bb8b [2018-12-31 03:58:30,893 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:30,893 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:30,902 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22bf082f2/fb36e124b77845ba9fdf627c3c700de8/FLAG22619bb8b [2018-12-31 03:58:31,235 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22bf082f2/fb36e124b77845ba9fdf627c3c700de8 [2018-12-31 03:58:31,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:31,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:31,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:31,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:31,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:31,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a81da66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31, skipping insertion in model container [2018-12-31 03:58:31,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:31,302 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:31,637 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:31,645 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:31,711 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:31,750 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:31,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31 WrapperNode [2018-12-31 03:58:31,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:31,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:31,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:31,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:31,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:31,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:31,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:31,901 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:31,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... [2018-12-31 03:58:31,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:31,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:31,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:31,991 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:31,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:58:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:58:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-31 03:58:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:58:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:58:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:32,419 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:32,641 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:32,757 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:36,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:36,332 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-31 03:58:36,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:36 BoogieIcfgContainer [2018-12-31 03:58:36,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:36,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:36,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:36,337 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:36,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:31" (1/3) ... [2018-12-31 03:58:36,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd3a9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:36, skipping insertion in model container [2018-12-31 03:58:36,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:31" (2/3) ... [2018-12-31 03:58:36,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd3a9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:36, skipping insertion in model container [2018-12-31 03:58:36,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:36" (3/3) ... [2018-12-31 03:58:36,341 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b_true-unreach-call.c [2018-12-31 03:58:36,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:36,361 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:36,379 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:36,411 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:36,412 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:36,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:36,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:36,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:36,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:36,413 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:36,413 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:36,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-31 03:58:36,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 03:58:36,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:36,436 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:36,438 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:36,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:36,445 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2018-12-31 03:58:36,450 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:36,451 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:36,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:37,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:37,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:37,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:37,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:37,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:37,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:37,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:37,553 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-31 03:58:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:37,577 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2018-12-31 03:58:37,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:37,578 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-12-31 03:58:37,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:37,590 INFO L225 Difference]: With dead ends: 108 [2018-12-31 03:58:37,590 INFO L226 Difference]: Without dead ends: 52 [2018-12-31 03:58:37,593 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 [2018-12-31 03:58:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-31 03:58:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-31 03:58:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-31 03:58:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2018-12-31 03:58:37,640 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2018-12-31 03:58:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:37,641 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2018-12-31 03:58:37,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2018-12-31 03:58:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-31 03:58:37,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:37,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:37,643 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:37,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:37,644 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2018-12-31 03:58:37,645 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:37,645 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:37,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:40,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:44,712 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) is different from true [2018-12-31 03:58:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:50,003 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:50,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:50,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 03:58:50,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 03:58:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 03:58:50,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-12-31 03:58:50,032 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 6 states. [2018-12-31 03:58:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:53,272 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2018-12-31 03:58:53,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 03:58:53,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-12-31 03:58:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:53,275 INFO L225 Difference]: With dead ends: 57 [2018-12-31 03:58:53,275 INFO L226 Difference]: Without dead ends: 52 [2018-12-31 03:58:53,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2018-12-31 03:58:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-31 03:58:53,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-31 03:58:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-31 03:58:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2018-12-31 03:58:53,286 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2018-12-31 03:58:53,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:53,287 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-12-31 03:58:53,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 03:58:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2018-12-31 03:58:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-31 03:58:53,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:53,289 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:53,289 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:53,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:53,290 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2018-12-31 03:58:53,291 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:53,291 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-31 03:58:53,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:53,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:53,562 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:53,564 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:53,567 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:53,569 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:53,575 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-12-31 03:58:53,775 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-31 03:58:53,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 03:58:53,806 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:53,808 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 74 [2018-12-31 03:58:53,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:53,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2018-12-31 03:58:54,004 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 03:58:54,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2018-12-31 03:58:54,008 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:54,139 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:54,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-12-31 03:58:54,195 INFO L701 Elim1Store]: detected not equals via solver [2018-12-31 03:58:54,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-12-31 03:58:54,198 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:54,256 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:54,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:54,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-31 03:58:54,537 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:83, output treesize:29 [2018-12-31 03:58:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:54,664 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:54,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:54,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 03:58:54,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:58:54,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:58:54,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 03:58:54,681 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 5 states. [2018-12-31 03:58:54,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:54,918 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2018-12-31 03:58:54,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:58:54,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-31 03:58:54,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:54,918 INFO L225 Difference]: With dead ends: 52 [2018-12-31 03:58:54,919 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:58:54,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-31 03:58:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:58:54,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:58:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:58:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:58:54,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-12-31 03:58:54,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:54,922 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:58:54,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:58:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:58:54,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:58:54,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:58:57,963 WARN L181 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 03:58:57,988 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-31 03:58:57,988 INFO L448 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,988 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2018-12-31 03:58:57,988 INFO L444 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2018-12-31 03:58:57,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:58:57,989 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2018-12-31 03:58:57,989 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2018-12-31 03:58:57,990 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2018-12-31 03:58:57,991 INFO L444 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2018-12-31 03:58:57,991 INFO L444 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2018-12-31 03:58:57,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:58:57,991 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-31 03:58:57,991 INFO L448 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2018-12-31 03:58:57,991 INFO L448 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2018-12-31 03:58:57,991 INFO L444 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-31 03:58:57,992 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y) [2018-12-31 03:58:57,992 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-31 03:58:57,993 INFO L444 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) [2018-12-31 03:58:57,993 INFO L444 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2018-12-31 03:58:57,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:58:57,993 INFO L448 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,994 INFO L451 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-31 03:58:57,995 INFO L444 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)) [2018-12-31 03:58:57,995 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2018-12-31 03:58:57,996 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2018-12-31 03:58:57,996 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2018-12-31 03:58:57,996 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-12-31 03:58:57,996 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2018-12-31 03:58:57,996 INFO L444 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2018-12-31 03:58:57,996 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-12-31 03:58:57,997 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2018-12-31 03:58:57,997 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2018-12-31 03:58:57,997 INFO L448 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2018-12-31 03:58:58,009 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,010 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,011 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,016 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:58 BoogieIcfgContainer [2018-12-31 03:58:58,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:58,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:58,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:58,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:58,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:36" (3/4) ... [2018-12-31 03:58:58,031 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 03:58:58,047 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 03:58:58,047 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 03:58:58,109 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 03:58:58,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:58,111 INFO L168 Benchmark]: Toolchain (without parser) took 26871.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.4 MB in the beginning and 975.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 113.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,112 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:58,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.13 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,115 INFO L168 Benchmark]: Boogie Preprocessor took 85.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:58,116 INFO L168 Benchmark]: RCFGBuilder took 4342.38 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,117 INFO L168 Benchmark]: TraceAbstraction took 21689.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.8 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,118 INFO L168 Benchmark]: Witness Printer took 86.21 ms. Allocated memory is still 1.2 GB. Free memory was 981.8 MB in the beginning and 975.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:58,123 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.13 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 935.3 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 148.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4342.38 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21689.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.8 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.21 ms. Allocated memory is still 1.2 GB. Free memory was 981.8 MB in the beginning and 975.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2018-12-31 03:58:58,133 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,134 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,134 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,134 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,134 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,141 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,142 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,142 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2018-12-31 03:58:58,142 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-31 03:58:58,142 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) == \result) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == y - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. SAFE Result, 21.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 162 SDtfs, 73 SDslu, 156 SDs, 0 SdLazy, 16 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 32 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 2063 SizeOfPredicates, 14 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...