./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_1092b.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 2e3b677629e69b083ff740542124e952dcae7545 ....................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/float-newlib/float_req_bl_1092b.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 2e3b677629e69b083ff740542124e952dcae7545 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:54:55,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:54:55,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:54:55,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:54:55,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:54:55,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:54:55,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:54:55,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:54:55,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:54:55,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:54:55,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:54:55,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:54:55,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:54:55,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:54:55,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:54:55,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:54:55,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:54:55,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:54:55,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:54:55,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:54:55,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:54:55,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:54:55,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:54:55,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:54:55,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:54:55,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:54:55,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:54:55,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:54:55,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:54:55,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:54:55,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:54:55,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:54:55,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:54:55,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:54:55,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:54:55,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:54:55,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:54:55,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:54:55,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:54:55,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:54:55,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:54:55,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:54:55,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:54:55,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:54:55,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:54:55,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:54:55,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:54:55,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:54:55,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:54:55,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:54:55,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:54:55,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:54:55,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:54:55,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:54:55,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:54:55,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:54:55,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:54:55,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:54:55,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:54:55,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:54:55,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:54:55,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:54:55,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:54:55,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:54:55,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:54:55,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:54:55,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:54:55,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:54:55,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:54:55,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:54:55,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:54:55,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-11-28 16:54:55,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:54:55,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:54:55,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:54:55,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:54:55,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:54:55,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-11-28 16:54:55,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6439ab7af/e5589185124e43a69804f6d9377f04ac/FLAGba9ac047d [2019-11-28 16:54:56,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:54:56,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-11-28 16:54:56,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6439ab7af/e5589185124e43a69804f6d9377f04ac/FLAGba9ac047d [2019-11-28 16:54:56,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6439ab7af/e5589185124e43a69804f6d9377f04ac [2019-11-28 16:54:56,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:54:56,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:54:56,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:54:56,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:54:56,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:54:56,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:56" (1/1) ... [2019-11-28 16:54:56,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eb6408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:56, skipping insertion in model container [2019-11-28 16:54:56,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:56" (1/1) ... [2019-11-28 16:54:56,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:54:56,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:54:56,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:54:56,965 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:54:56,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:54:57,020 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:54:57,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57 WrapperNode [2019-11-28 16:54:57,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:54:57,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:54:57,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:54:57,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:54:57,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:54:57,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:54:57,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:54:57,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:54:57,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... [2019-11-28 16:54:57,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:54:57,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:54:57,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:54:57,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:54:57,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:54:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:54:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:54:57,622 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:54:57,622 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-28 16:54:57,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:57 BoogieIcfgContainer [2019-11-28 16:54:57,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:54:57,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:54:57,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:54:57,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:54:57,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:54:56" (1/3) ... [2019-11-28 16:54:57,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b29d296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:57, skipping insertion in model container [2019-11-28 16:54:57,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:57" (2/3) ... [2019-11-28 16:54:57,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b29d296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:57, skipping insertion in model container [2019-11-28 16:54:57,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:57" (3/3) ... [2019-11-28 16:54:57,644 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2019-11-28 16:54:57,653 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:54:57,660 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:54:57,672 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:54:57,694 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:54:57,694 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:54:57,695 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:54:57,695 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:54:57,695 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:54:57,695 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:54:57,695 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:54:57,696 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:54:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-28 16:54:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:54:57,715 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:54:57,716 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:54:57,717 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:54:57,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:54:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-11-28 16:54:57,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:54:57,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755433399] [2019-11-28 16:54:57,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:54:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:54:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:54:57,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755433399] [2019-11-28 16:54:57,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:54:57,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:54:57,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59302280] [2019-11-28 16:54:57,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:54:57,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:54:57,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:54:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:54:57,867 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-28 16:54:57,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:54:57,885 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-11-28 16:54:57,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:54:57,886 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:54:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:54:57,896 INFO L225 Difference]: With dead ends: 58 [2019-11-28 16:54:57,896 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 16:54:57,899 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:54:57,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 16:54:57,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 16:54:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 16:54:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-11-28 16:54:57,939 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-11-28 16:54:57,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:54:57,939 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-11-28 16:54:57,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:54:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-11-28 16:54:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:54:57,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:54:57,941 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:54:57,941 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:54:57,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:54:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-11-28 16:54:57,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:54:57,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470868303] [2019-11-28 16:54:57,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:54:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:54:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:54:58,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:54:58,064 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:54:58,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:54:58 BoogieIcfgContainer [2019-11-28 16:54:58,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:54:58,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:54:58,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:54:58,102 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:54:58,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:57" (3/4) ... [2019-11-28 16:54:58,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:54:58,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:54:58,108 INFO L168 Benchmark]: Toolchain (without parser) took 1384.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:54:58,109 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:54:58,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.64 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:54:58,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:54:58,112 INFO L168 Benchmark]: Boogie Preprocessor took 35.95 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. [2019-11-28 16:54:58,113 INFO L168 Benchmark]: RCFGBuilder took 440.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:54:58,114 INFO L168 Benchmark]: TraceAbstraction took 476.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:54:58,114 INFO L168 Benchmark]: Witness Printer took 4.51 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. [2019-11-28 16:54:58,118 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.64 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.95 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 440.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 476.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L80] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 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=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-11-28 16:55:00,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:55:00,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:55:00,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:55:00,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:55:00,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:55:00,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:55:00,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:55:00,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:55:00,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:55:00,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:55:00,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:55:00,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:55:00,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:55:00,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:55:00,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:55:00,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:55:00,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:55:00,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:55:00,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:55:00,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:55:00,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:55:00,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:55:00,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:55:00,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:55:00,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:55:00,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:55:00,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:55:00,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:55:00,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:55:00,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:55:00,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:55:00,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:55:00,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:55:00,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:55:00,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:55:00,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:55:00,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:55:00,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:55:00,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:55:00,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:55:00,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:55:00,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:55:00,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:55:00,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:55:00,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:55:00,238 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:55:00,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:55:00,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:55:00,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:55:00,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:55:00,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:55:00,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:55:00,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:55:00,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:55:00,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:55:00,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:55:00,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:55:00,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:55:00,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:55:00,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:55:00,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:55:00,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:55:00,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:55:00,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:55:00,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:55:00,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:55:00,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:55:00,245 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:55:00,245 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:55:00,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:55:00,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:55:00,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:55:00,246 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 2e3b677629e69b083ff740542124e952dcae7545 [2019-11-28 16:55:00,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:55:00,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:55:00,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:55:00,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:55:00,602 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:55:00,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-11-28 16:55:00,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41eaa419/54a5d8a61d694f8a8764d87b7a11d466/FLAGa19c1ce42 [2019-11-28 16:55:01,174 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:55:01,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2019-11-28 16:55:01,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41eaa419/54a5d8a61d694f8a8764d87b7a11d466/FLAGa19c1ce42 [2019-11-28 16:55:01,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41eaa419/54a5d8a61d694f8a8764d87b7a11d466 [2019-11-28 16:55:01,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:55:01,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:55:01,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:01,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:55:01,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:55:01,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f92d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01, skipping insertion in model container [2019-11-28 16:55:01,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:55:01,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:55:01,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:01,789 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:55:01,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:55:01,918 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:55:01,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01 WrapperNode [2019-11-28 16:55:01,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:55:01,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:01,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:55:01,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:55:01,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:55:01,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:55:01,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:55:01,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:55:01,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:01,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:02,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:02,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:02,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... [2019-11-28 16:55:02,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:55:02,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:55:02,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:55:02,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:55:02,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:55:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:55:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:55:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:55:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:55:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:55:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:55:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:55:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:55:02,681 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:55:02,681 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-28 16:55:02,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:02 BoogieIcfgContainer [2019-11-28 16:55:02,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:55:02,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:55:02,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:55:02,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:55:02,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:55:01" (1/3) ... [2019-11-28 16:55:02,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19775d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:02, skipping insertion in model container [2019-11-28 16:55:02,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:01" (2/3) ... [2019-11-28 16:55:02,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19775d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:55:02, skipping insertion in model container [2019-11-28 16:55:02,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:02" (3/3) ... [2019-11-28 16:55:02,692 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2019-11-28 16:55:02,703 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:55:02,711 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:55:02,725 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:55:02,747 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:55:02,748 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:55:02,748 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:55:02,748 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:55:02,748 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:55:02,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:55:02,749 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:55:02,749 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:55:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-28 16:55:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:55:02,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:02,774 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:02,774 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:02,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:02,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-11-28 16:55:02,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:02,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904378719] [2019-11-28 16:55:02,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:02,897 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:55:02,901 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:02,914 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:02,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904378719] [2019-11-28 16:55:02,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:02,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:55:02,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163850405] [2019-11-28 16:55:02,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:55:02,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:02,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:55:02,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:55:02,941 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-28 16:55:02,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:02,958 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-11-28 16:55:02,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:55:02,960 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:55:02,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:02,970 INFO L225 Difference]: With dead ends: 58 [2019-11-28 16:55:02,971 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 16:55:02,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:55:02,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 16:55:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 16:55:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 16:55:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-11-28 16:55:03,009 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-11-28 16:55:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:03,010 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-11-28 16:55:03,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:55:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-11-28 16:55:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:55:03,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:03,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:03,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:55:03,224 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:03,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:03,224 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-11-28 16:55:03,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:03,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263585935] [2019-11-28 16:55:03,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:03,333 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 16:55:03,336 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:03,408 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:03,501 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263585935] [2019-11-28 16:55:03,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:03,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 16:55:03,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155869400] [2019-11-28 16:55:03,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:55:03,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:03,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:55:03,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:55:03,506 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2019-11-28 16:55:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:03,856 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2019-11-28 16:55:03,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:55:03,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 16:55:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:03,859 INFO L225 Difference]: With dead ends: 51 [2019-11-28 16:55:03,859 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 16:55:03,861 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:55:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 16:55:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2019-11-28 16:55:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 16:55:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-11-28 16:55:03,868 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2019-11-28 16:55:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:03,869 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-11-28 16:55:03,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:55:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-11-28 16:55:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 16:55:03,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:03,871 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:04,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:55:04,080 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:04,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:04,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-11-28 16:55:04,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:04,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173512096] [2019-11-28 16:55:04,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:04,222 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 16:55:04,224 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:04,293 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:04,605 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-28 16:55:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:04,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173512096] [2019-11-28 16:55:04,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:04,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-28 16:55:04,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352270453] [2019-11-28 16:55:04,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:55:04,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:04,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:55:04,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:55:04,741 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 6 states. [2019-11-28 16:55:05,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:05,015 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-11-28 16:55:05,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:55:05,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 16:55:05,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:05,020 INFO L225 Difference]: With dead ends: 34 [2019-11-28 16:55:05,021 INFO L226 Difference]: Without dead ends: 22 [2019-11-28 16:55:05,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:55:05,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-28 16:55:05,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-28 16:55:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 16:55:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-11-28 16:55:05,027 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2019-11-28 16:55:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:05,028 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-28 16:55:05,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:55:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-11-28 16:55:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 16:55:05,029 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:05,029 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:05,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:55:05,241 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:05,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2019-11-28 16:55:05,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:05,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190126621] [2019-11-28 16:55:05,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:05,348 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:55:05,350 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:05,407 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:05,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190126621] [2019-11-28 16:55:05,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:05,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 16:55:05,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003500196] [2019-11-28 16:55:05,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:55:05,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:05,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:55:05,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:55:05,480 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2019-11-28 16:55:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:05,591 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-11-28 16:55:05,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 16:55:05,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-28 16:55:05,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:05,593 INFO L225 Difference]: With dead ends: 34 [2019-11-28 16:55:05,593 INFO L226 Difference]: Without dead ends: 22 [2019-11-28 16:55:05,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:55:05,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-28 16:55:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-28 16:55:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 16:55:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-11-28 16:55:05,601 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2019-11-28 16:55:05,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:05,601 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-11-28 16:55:05,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:55:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-11-28 16:55:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 16:55:05,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:05,603 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:05,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:55:05,811 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:05,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2019-11-28 16:55:05,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:05,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44597638] [2019-11-28 16:55:05,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:05,922 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 16:55:05,924 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:05,993 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:05,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:06,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44597638] [2019-11-28 16:55:06,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:06,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-28 16:55:06,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925659495] [2019-11-28 16:55:06,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 16:55:06,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:06,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 16:55:06,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 16:55:06,101 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2019-11-28 16:55:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:06,281 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-11-28 16:55:06,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:55:06,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 16:55:06,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:06,284 INFO L225 Difference]: With dead ends: 25 [2019-11-28 16:55:06,284 INFO L226 Difference]: Without dead ends: 22 [2019-11-28 16:55:06,285 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:55:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-28 16:55:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-28 16:55:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 16:55:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-11-28 16:55:06,290 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2019-11-28 16:55:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:06,291 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-11-28 16:55:06,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 16:55:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-11-28 16:55:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 16:55:06,292 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:55:06,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:55:06,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 16:55:06,503 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:55:06,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:55:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2019-11-28 16:55:06,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:55:06,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660861491] [2019-11-28 16:55:06,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 16:55:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:55:06,620 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-28 16:55:06,622 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:55:06,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:06,745 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:55:06,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:55:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:55:07,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660861491] [2019-11-28 16:55:07,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:55:07,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-28 16:55:07,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069427124] [2019-11-28 16:55:07,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 16:55:07,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:55:07,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 16:55:07,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-28 16:55:07,053 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 16 states. [2019-11-28 16:55:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:55:07,452 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-28 16:55:07,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 16:55:07,453 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-11-28 16:55:07,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:55:07,453 INFO L225 Difference]: With dead ends: 22 [2019-11-28 16:55:07,454 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:55:07,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-28 16:55:07,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:55:07,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:55:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:55:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:55:07,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-11-28 16:55:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:55:07,456 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:55:07,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 16:55:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:55:07,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:55:07,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 16:55:07,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-11-28 16:55:07,963 INFO L249 CegarLoopResult]: At program point L85(lines 68 86) the Hoare annotation is: true [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-11-28 16:55:07,963 INFO L246 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L242 CegarLoopResult]: At program point L65(lines 56 66) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-11-28 16:55:07,964 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-11-28 16:55:07,965 INFO L242 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-11-28 16:55:07,965 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-11-28 16:55:07,965 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-28 16:55:07,965 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-11-28 16:55:07,965 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-28 16:55:07,965 INFO L246 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-11-28 16:55:07,965 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:55:07,966 INFO L246 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-11-28 16:55:07,966 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-28 16:55:07,966 INFO L246 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-11-28 16:55:07,966 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-11-28 16:55:07,966 INFO L242 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_ceil_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short8| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_ceil~0) (= ULTIMATE.start_ceil_float_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (_ +zero 8 24))))) [2019-11-28 16:55:07,966 INFO L246 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-11-28 16:55:07,967 INFO L246 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-28 16:55:07,967 INFO L246 CegarLoopResult]: For program point L80-2(lines 80 83) no Hoare annotation was computed. [2019-11-28 16:55:07,967 INFO L246 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-11-28 16:55:07,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:07,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:07,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:07,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:07,997 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:07,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:07,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:55:08 BoogieIcfgContainer [2019-11-28 16:55:08,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:55:08,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:55:08,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:55:08,021 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:55:08,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:02" (3/4) ... [2019-11-28 16:55:08,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:55:08,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-28 16:55:08,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 16:55:08,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:55:08,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-11-28 16:55:08,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~Pluszero~LONGDOUBLE() == \result && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-11-28 16:55:08,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~Pluszero~LONGDOUBLE() == \result && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) [2019-11-28 16:55:08,121 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:55:08,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:55:08,123 INFO L168 Benchmark]: Toolchain (without parser) took 6566.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 784.6 MB in the end (delta: 171.8 MB). Peak memory consumption was 245.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,124 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:55:08,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -105.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.53 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. [2019-11-28 16:55:08,127 INFO L168 Benchmark]: Boogie Preprocessor took 46.84 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. [2019-11-28 16:55:08,128 INFO L168 Benchmark]: RCFGBuilder took 665.13 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,128 INFO L168 Benchmark]: TraceAbstraction took 5336.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 791.6 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,132 INFO L168 Benchmark]: Witness Printer took 100.50 ms. Allocated memory is still 1.1 GB. Free memory was 791.6 MB in the beginning and 784.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:55:08,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -105.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.53 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. * Boogie Preprocessor took 46.84 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 665.13 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5336.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 791.6 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * Witness Printer took 100.50 ms. Allocated memory is still 1.1 GB. Free memory was 791.6 MB in the beginning and 784.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,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_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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: 13]: Loop Invariant [2019-11-28 16:55:08,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant [2019-11-28 16:55:08,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((~Pluszero~LONGDOUBLE() == \result && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2019-11-28 16:55:08,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 59]: Loop Invariant [2019-11-28 16:55:08,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,191 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-28 16:55:08,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-28 16:55:08,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-28 16:55:08,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((~Pluszero~LONGDOUBLE() == \result && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE())) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_ceil) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 111 SDtfs, 348 SDslu, 118 SDs, 0 SdLazy, 135 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 227 HoareAnnotationTreeSize, 5 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 170 ConstructedInterpolants, 22 QuantifiedInterpolants, 17102 SizeOfPredicates, 40 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...