./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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/double_req_bl_0740.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 77a01f137667344720fd98189387bfe86c106b2a ..................................................................................................................................................................................................................................................................................... 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/double_req_bl_0740.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 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:43:12,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:43:12,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:43:12,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:43:12,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:43:12,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:43:12,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:43:12,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:43:12,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:43:12,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:43:12,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:43:12,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:43:12,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:43:12,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:43:12,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:43:12,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:43:12,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:43:12,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:43:12,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:43:12,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:43:12,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:43:12,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:43:12,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:43:12,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:43:12,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:43:12,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:43:12,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:43:12,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:43:12,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:43:12,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:43:12,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:43:12,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:43:12,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:43:12,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:43:12,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:43:12,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:43:12,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:43:12,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:43:12,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:43:12,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:43:12,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:43:12,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:43:12,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:43:12,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:43:12,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:43:12,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:43:12,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:43:12,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:43:12,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:43:12,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:43:12,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:43:12,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:43:12,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:43:12,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:43:12,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:43:12,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:43:12,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:43:12,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:43:12,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:43:12,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:43:12,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:43:12,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:43:12,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:43:12,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:43:12,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:43:12,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:43:12,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:43:12,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:43:12,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:43:12,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:43:12,520 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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-27 23:43:12,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:43:12,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:43:12,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:43:12,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:43:12,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:43:12,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-27 23:43:12,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1dfb32e/c5fb0239cbc442449f14f6c4aadefaac/FLAG42cb1f43c [2019-11-27 23:43:13,400 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:43:13,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-27 23:43:13,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1dfb32e/c5fb0239cbc442449f14f6c4aadefaac/FLAG42cb1f43c [2019-11-27 23:43:13,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1dfb32e/c5fb0239cbc442449f14f6c4aadefaac [2019-11-27 23:43:13,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:43:13,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:43:13,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:13,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:43:13,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:43:13,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:13" (1/1) ... [2019-11-27 23:43:13,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3345dbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:13, skipping insertion in model container [2019-11-27 23:43:13,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:13" (1/1) ... [2019-11-27 23:43:13,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:43:13,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:43:14,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:14,082 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:43:14,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:14,218 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:43:14,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14 WrapperNode [2019-11-27 23:43:14,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:14,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:14,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:43:14,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:43:14,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:14,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:43:14,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:43:14,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:43:14,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (1/1) ... [2019-11-27 23:43:14,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:43:14,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:43:14,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:43:14,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:43:14,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (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 [2019-11-27 23:43:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:43:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:43:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:43:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:43:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:43:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:43:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:43:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:43:14,915 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:43:14,915 INFO L297 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-27 23:43:14,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:14 BoogieIcfgContainer [2019-11-27 23:43:14,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:43:14,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:43:14,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:43:14,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:43:14,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:43:13" (1/3) ... [2019-11-27 23:43:14,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcf3e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:14, skipping insertion in model container [2019-11-27 23:43:14,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:14" (2/3) ... [2019-11-27 23:43:14,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fcf3e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:14, skipping insertion in model container [2019-11-27 23:43:14,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:14" (3/3) ... [2019-11-27 23:43:14,925 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-27 23:43:14,934 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:43:14,941 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:43:14,953 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:43:14,979 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:43:14,980 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:43:14,980 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:43:14,980 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:43:14,980 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:43:14,981 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:43:14,981 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:43:14,981 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:43:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-27 23:43:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:43:15,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:15,002 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:15,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-27 23:43:15,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:43:15,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765668948] [2019-11-27 23:43:15,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:43:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:15,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765668948] [2019-11-27 23:43:15,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:15,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:43:15,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218510253] [2019-11-27 23:43:15,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:43:15,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:43:15,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:43:15,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:15,161 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-27 23:43:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:15,187 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-27 23:43:15,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:43:15,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:43:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:15,201 INFO L225 Difference]: With dead ends: 96 [2019-11-27 23:43:15,201 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:43:15,205 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 [2019-11-27 23:43:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:43:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:43:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:43:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-27 23:43:15,249 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-27 23:43:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:15,249 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-27 23:43:15,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:43:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-27 23:43:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:43:15,251 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:15,251 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:15,251 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:15,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-27 23:43:15,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:43:15,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060943571] [2019-11-27 23:43:15,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:43:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:43:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:43:15,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:43:15,433 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:43:15,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:43:15 BoogieIcfgContainer [2019-11-27 23:43:15,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:43:15,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:43:15,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:43:15,482 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:43:15,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:14" (3/4) ... [2019-11-27 23:43:15,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:43:15,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:43:15,492 INFO L168 Benchmark]: Toolchain (without parser) took 1723.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:15,493 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-27 23:43:15,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:15,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.13 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. [2019-11-27 23:43:15,498 INFO L168 Benchmark]: Boogie Preprocessor took 38.55 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:15,499 INFO L168 Benchmark]: RCFGBuilder took 606.21 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:15,500 INFO L168 Benchmark]: TraceAbstraction took 562.83 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:15,501 INFO L168 Benchmark]: Witness Printer took 6.97 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. [2019-11-27 23:43:15,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 450.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.13 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. * Boogie Preprocessor took 38.55 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 606.21 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 562.83 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.97 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: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] double res = __ieee754_sqrt(x); [L130] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 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=49occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 0.1.24-30f4e4a [2019-11-27 23:43:17,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:43:17,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:43:17,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:43:17,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:43:17,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:43:17,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:43:17,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:43:17,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:43:17,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:43:17,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:43:17,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:43:17,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:43:17,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:43:17,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:43:17,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:43:17,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:43:17,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:43:17,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:43:17,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:43:17,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:43:17,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:43:17,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:43:17,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:43:17,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:43:17,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:43:17,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:43:17,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:43:17,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:43:17,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:43:17,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:43:17,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:43:17,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:43:17,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:43:17,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:43:17,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:43:17,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:43:17,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:43:17,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:43:17,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:43:17,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:43:17,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:43:17,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:43:17,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:43:17,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:43:17,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:43:17,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:43:17,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:43:17,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:43:17,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:43:17,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:43:17,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:43:17,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:43:17,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:43:17,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:43:17,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:43:17,684 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:43:17,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:43:17,685 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:43:17,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:43:17,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:43:17,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:43:17,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:43:17,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:43:17,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:43:17,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:43:17,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:43:17,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:43:17,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:43:17,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:43:17,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:43:17,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:43:17,690 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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-27 23:43:18,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:43:18,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:43:18,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:43:18,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:43:18,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:43:18,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-27 23:43:18,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda5c4d9/292b6b669a8e4ff6b0c0121fa7b1a8d5/FLAGc52c0c687 [2019-11-27 23:43:18,602 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:43:18,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-27 23:43:18,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda5c4d9/292b6b669a8e4ff6b0c0121fa7b1a8d5/FLAGc52c0c687 [2019-11-27 23:43:18,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfda5c4d9/292b6b669a8e4ff6b0c0121fa7b1a8d5 [2019-11-27 23:43:18,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:43:18,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:43:18,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:18,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:43:18,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:43:18,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:18" (1/1) ... [2019-11-27 23:43:18,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e59db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:18, skipping insertion in model container [2019-11-27 23:43:18,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:43:18" (1/1) ... [2019-11-27 23:43:19,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:43:19,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:43:19,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:19,311 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:43:19,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:43:19,469 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:43:19,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19 WrapperNode [2019-11-27 23:43:19,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:43:19,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:19,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:43:19,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:43:19,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:43:19,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:43:19,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:43:19,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:43:19,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (1/1) ... [2019-11-27 23:43:19,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:43:19,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:43:19,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:43:19,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:43:19,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (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 [2019-11-27 23:43:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:43:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:43:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:43:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:43:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:43:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:43:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:43:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:43:23,096 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:43:23,097 INFO L297 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-27 23:43:23,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:23 BoogieIcfgContainer [2019-11-27 23:43:23,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:43:23,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:43:23,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:43:23,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:43:23,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:43:18" (1/3) ... [2019-11-27 23:43:23,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a43ae0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:23, skipping insertion in model container [2019-11-27 23:43:23,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:43:19" (2/3) ... [2019-11-27 23:43:23,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a43ae0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:43:23, skipping insertion in model container [2019-11-27 23:43:23,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:23" (3/3) ... [2019-11-27 23:43:23,108 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-27 23:43:23,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:43:23,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:43:23,137 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:43:23,158 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:43:23,159 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:43:23,159 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:43:23,159 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:43:23,159 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:43:23,160 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:43:23,160 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:43:23,160 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:43:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-27 23:43:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:43:23,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:23,185 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:23,185 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:23,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:23,192 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-27 23:43:23,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:23,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482145336] [2019-11-27 23:43:23,206 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 [2019-11-27 23:43:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:23,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:43:23,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:23,654 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:23,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482145336] [2019-11-27 23:43:23,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:23,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:43:23,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857277577] [2019-11-27 23:43:23,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:43:23,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:23,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:43:23,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:23,686 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-27 23:43:23,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:23,712 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-27 23:43:23,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:43:23,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:43:23,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:23,727 INFO L225 Difference]: With dead ends: 96 [2019-11-27 23:43:23,728 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:43:23,732 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:43:23,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:43:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:43:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:43:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-27 23:43:23,774 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-27 23:43:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:23,774 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-27 23:43:23,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:43:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-27 23:43:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:43:23,776 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:23,776 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:23,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:43:23,994 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:23,995 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-27 23:43:23,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:23,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263625825] [2019-11-27 23:43:23,997 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 [2019-11-27 23:43:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:24,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:43:24,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:24,504 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:26,599 WARN L838 $PredicateComparison]: unable to prove that (= (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start___ieee754_sqrt_~x c_ULTIMATE.start___ieee754_sqrt_~x) c_ULTIMATE.start___ieee754_sqrt_~x) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) is different from false [2019-11-27 23:43:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:26,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263625825] [2019-11-27 23:43:26,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:26,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-27 23:43:26,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564996070] [2019-11-27 23:43:26,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 23:43:26,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:26,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 23:43:26,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2019-11-27 23:43:26,975 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2019-11-27 23:43:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:30,573 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-27 23:43:30,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:43:30,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-11-27 23:43:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:30,575 INFO L225 Difference]: With dead ends: 51 [2019-11-27 23:43:30,575 INFO L226 Difference]: Without dead ends: 46 [2019-11-27 23:43:30,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2019-11-27 23:43:30,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-27 23:43:30,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-27 23:43:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-27 23:43:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-11-27 23:43:30,584 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2019-11-27 23:43:30,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:30,585 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-27 23:43:30,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 23:43:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2019-11-27 23:43:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:43:30,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:43:30,587 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:43:30,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:43:30,801 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:43:30,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:43:30,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2019-11-27 23:43:30,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:43:30,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582669055] [2019-11-27 23:43:30,804 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 [2019-11-27 23:43:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:43:30,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 23:43:30,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:43:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:31,042 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:43:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:43:31,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582669055] [2019-11-27 23:43:31,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:43:31,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-27 23:43:31,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812013959] [2019-11-27 23:43:31,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:43:31,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:43:31,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:43:31,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:43:31,139 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 6 states. [2019-11-27 23:43:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:43:31,229 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2019-11-27 23:43:31,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:43:31,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-27 23:43:31,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:43:31,229 INFO L225 Difference]: With dead ends: 46 [2019-11-27 23:43:31,229 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:43:31,230 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:43:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:43:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:43:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:43:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:43:31,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-27 23:43:31,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:43:31,232 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:43:31,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:43:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:43:31,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:43:31,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:43:31,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:43:31,614 INFO L242 CegarLoopResult]: At program point L126(lines 19 127) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L143(lines 143 146) no Hoare annotation was computed. [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-11-27 23:43:31,615 INFO L246 CegarLoopResult]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-11-27 23:43:31,616 INFO L246 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-11-27 23:43:31,616 INFO L242 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-11-27 23:43:31,616 INFO L246 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-11-27 23:43:31,616 INFO L246 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-11-27 23:43:31,616 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:43:31,616 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:43:31,617 INFO L246 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-27 23:43:31,617 INFO L242 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-11-27 23:43:31,617 INFO L246 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-27 23:43:31,617 INFO L246 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-11-27 23:43:31,617 INFO L246 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-11-27 23:43:31,617 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-11-27 23:43:31,618 INFO L242 CegarLoopResult]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-11-27 23:43:31,618 INFO L246 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-11-27 23:43:31,618 INFO L246 CegarLoopResult]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-11-27 23:43:31,618 INFO L246 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-27 23:43:31,618 INFO L246 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-11-27 23:43:31,619 INFO L246 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-11-27 23:43:31,619 INFO L246 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-11-27 23:43:31,619 INFO L242 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-11-27 23:43:31,619 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:43:31,619 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-27 23:43:31,619 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-27 23:43:31,620 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2019-11-27 23:43:31,620 INFO L249 CegarLoopResult]: At program point L148(lines 132 149) the Hoare annotation is: true [2019-11-27 23:43:31,620 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-11-27 23:43:31,620 INFO L246 CegarLoopResult]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L246 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L246 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L246 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-11-27 23:43:31,621 INFO L242 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x))) [2019-11-27 23:43:31,622 INFO L246 CegarLoopResult]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-11-27 23:43:31,622 INFO L246 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-11-27 23:43:31,622 INFO L242 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-27 23:43:31,623 INFO L246 CegarLoopResult]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-11-27 23:43:31,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:43:31 BoogieIcfgContainer [2019-11-27 23:43:31,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:43:31,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:43:31,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:43:31,669 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:43:31,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:43:23" (3/4) ... [2019-11-27 23:43:31,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:43:31,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-27 23:43:31,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-27 23:43:31,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:43:31,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:43:31,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-27 23:43:31,729 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-11-27 23:43:31,786 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:43:31,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:43:31,791 INFO L168 Benchmark]: Toolchain (without parser) took 12803.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 955.0 MB in the beginning and 922.1 MB in the end (delta: 32.9 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:31,792 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-27 23:43:31,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:31,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.92 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. [2019-11-27 23:43:31,795 INFO L168 Benchmark]: Boogie Preprocessor took 43.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:31,795 INFO L168 Benchmark]: RCFGBuilder took 3528.21 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. [2019-11-27 23:43:31,796 INFO L168 Benchmark]: TraceAbstraction took 8567.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.1 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:43:31,796 INFO L168 Benchmark]: Witness Printer took 118.09 ms. Allocated memory is still 1.1 GB. Free memory is still 922.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:43:31,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 484.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.92 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 43.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3528.21 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 8567.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.1 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. * Witness Printer took 118.09 ms. Allocated memory is still 1.1 GB. Free memory is still 922.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2019-11-27 23:43:31,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:43:31,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 130]: Loop Invariant [2019-11-27 23:43:31,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-27 23:43:31,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:43:31,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:43:31,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 127 SDtfs, 72 SDslu, 225 SDs, 0 SdLazy, 48 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 4 QuantifiedInterpolants, 2810 SizeOfPredicates, 16 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...