./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer --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 963536477b49c0268678cb8326bb32feb993b05a .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer --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 963536477b49c0268678cb8326bb32feb993b05a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:12:56,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:12:56,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:12:56,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:12:56,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:12:56,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:12:56,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:12:56,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:12:56,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:12:56,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:12:56,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:12:56,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:12:56,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:12:56,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:12:56,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:12:56,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:12:56,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:12:56,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:12:56,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:12:56,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:12:56,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:12:56,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:12:56,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:12:56,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:12:56,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:12:56,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:12:56,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:12:56,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:12:56,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:12:56,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:12:56,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:12:56,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:12:56,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:12:56,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:12:56,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:12:56,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:12:56,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:12:56,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:12:56,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:12:56,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:12:56,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:12:56,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:12:56,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:12:56,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:12:56,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:12:56,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:12:56,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:12:56,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:12:56,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:12:56,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:12:56,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:12:56,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:12:56,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:12:56,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:12:56,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:12:56,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:12:56,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:12:56,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:12:56,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:12:56,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:12:56,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:12:56,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:12:56,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:12:56,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:12:56,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:12:56,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:12:56,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:12:56,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:12:56,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:12:56,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:12:56,698 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer 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 -> 963536477b49c0268678cb8326bb32feb993b05a [2019-11-20 10:12:56,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:12:56,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:12:56,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:12:56,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:12:56,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:12:56,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-11-20 10:12:56,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/0f1a84c87/3c44c630b068416487bb784d8f2efe72/FLAG72d71d74c [2019-11-20 10:12:57,464 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:12:57,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-11-20 10:12:57,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/0f1a84c87/3c44c630b068416487bb784d8f2efe72/FLAG72d71d74c [2019-11-20 10:12:57,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/0f1a84c87/3c44c630b068416487bb784d8f2efe72 [2019-11-20 10:12:57,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:12:57,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:12:57,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:12:57,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:12:57,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:12:57,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:12:57" (1/1) ... [2019-11-20 10:12:57,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9d64dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:57, skipping insertion in model container [2019-11-20 10:12:57,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:12:57" (1/1) ... [2019-11-20 10:12:57,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:12:57,877 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:12:58,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:12:58,193 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:12:58,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:12:58,273 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:12:58,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58 WrapperNode [2019-11-20 10:12:58,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:12:58,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:12:58,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:12:58,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:12:58,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:12:58,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:12:58,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:12:58,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:12:58,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... [2019-11-20 10:12:58,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:12:58,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:12:58,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:12:58,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:12:58,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/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 [2019-11-20 10:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:12:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 10:12:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:12:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 10:12:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:12:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:12:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:12:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:12:58,996 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:12:58,996 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-20 10:12:58,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:58 BoogieIcfgContainer [2019-11-20 10:12:58,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:12:58,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:12:58,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:12:59,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:12:59,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:12:57" (1/3) ... [2019-11-20 10:12:59,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213c84ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:59, skipping insertion in model container [2019-11-20 10:12:59,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:12:58" (2/3) ... [2019-11-20 10:12:59,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213c84ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:59, skipping insertion in model container [2019-11-20 10:12:59,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:58" (3/3) ... [2019-11-20 10:12:59,006 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c [2019-11-20 10:12:59,015 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:12:59,023 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:12:59,033 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:12:59,061 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:12:59,061 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:12:59,061 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:12:59,061 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:12:59,062 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:12:59,062 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:12:59,062 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:12:59,062 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:12:59,084 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-11-20 10:12:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:12:59,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:12:59,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:12:59,092 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:12:59,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:12:59,098 INFO L82 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times [2019-11-20 10:12:59,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:12:59,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650665517] [2019-11-20 10:12:59,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:12:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:12:59,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650665517] [2019-11-20 10:12:59,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:12:59,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:12:59,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460515296] [2019-11-20 10:12:59,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:12:59,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:12:59,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:12:59,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:12:59,270 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-11-20 10:12:59,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:12:59,292 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions. [2019-11-20 10:12:59,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:12:59,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:12:59,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:12:59,304 INFO L225 Difference]: With dead ends: 99 [2019-11-20 10:12:59,304 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 10:12:59,308 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 [2019-11-20 10:12:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 10:12:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 10:12:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 10:12:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2019-11-20 10:12:59,351 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2019-11-20 10:12:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:12:59,352 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2019-11-20 10:12:59,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:12:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 10:12:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:12:59,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:12:59,358 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:12:59,359 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:12:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:12:59,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times [2019-11-20 10:12:59,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:12:59,361 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214004991] [2019-11-20 10:12:59,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:12:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:12:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:12:59,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214004991] [2019-11-20 10:12:59,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:12:59,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:12:59,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388377430] [2019-11-20 10:12:59,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:12:59,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:12:59,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:12:59,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:12:59,470 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand 3 states. [2019-11-20 10:12:59,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:12:59,490 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2019-11-20 10:12:59,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:12:59,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-20 10:12:59,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:12:59,492 INFO L225 Difference]: With dead ends: 87 [2019-11-20 10:12:59,492 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 10:12:59,493 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:12:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 10:12:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 10:12:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 10:12:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-11-20 10:12:59,501 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2019-11-20 10:12:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:12:59,501 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-20 10:12:59,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:12:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2019-11-20 10:12:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:12:59,502 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:12:59,503 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:12:59,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:12:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:12:59,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times [2019-11-20 10:12:59,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:12:59,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262254728] [2019-11-20 10:12:59,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:12:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:12:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:12:59,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:12:59,666 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:12:59,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:12:59 BoogieIcfgContainer [2019-11-20 10:12:59,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:12:59,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:12:59,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:12:59,722 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:12:59,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:58" (3/4) ... [2019-11-20 10:12:59,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:12:59,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:12:59,729 INFO L168 Benchmark]: Toolchain (without parser) took 1891.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:12:59,730 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:12:59,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:12:59,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.39 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. [2019-11-20 10:12:59,732 INFO L168 Benchmark]: Boogie Preprocessor took 62.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:12:59,733 INFO L168 Benchmark]: RCFGBuilder took 599.35 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:12:59,733 INFO L168 Benchmark]: TraceAbstraction took 721.94 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:12:59,734 INFO L168 Benchmark]: Witness Printer took 5.39 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. [2019-11-20 10:12:59,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.39 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 62.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 599.35 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 721.94 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.39 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: 174]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of bitwiseAnd at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 117. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; [L98-L101] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L103] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float x = __VERIFIER_nondet_float(); [L168] x < 0 && isfinite_float(x) [L149] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L151] ieee_float_shape_type gf_u; [L152] gf_u.value = (x) [L153] EXPR gf_u.word [L153] (ix) = gf_u.word [L155] ix &= 0x7fffffff [L156] return (((ix) < 0x7f800000L)); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L168] x < 0 && isfinite_float(x) VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L168] COND TRUE x < 0 && isfinite_float(x) [L106] float y, z; [L107] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L110] ieee_float_shape_type gf_u; [L111] gf_u.value = (x) [L112] EXPR gf_u.word [L112] (hx) = gf_u.word [L115] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L116] COND TRUE ((hx & 0x7fffffff) == 0) [L117] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L170] float res = __ieee754_log10f(x); [L145] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L173] COND TRUE !isnan_float(res) [L174] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 0 SDslu, 57 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.24-678e011 [2019-11-20 10:13:01,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:13:01,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:13:02,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:13:02,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:13:02,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:13:02,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:13:02,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:13:02,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:13:02,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:13:02,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:13:02,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:13:02,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:13:02,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:13:02,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:13:02,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:13:02,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:13:02,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:13:02,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:13:02,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:13:02,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:13:02,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:13:02,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:13:02,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:13:02,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:13:02,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:13:02,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:13:02,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:13:02,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:13:02,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:13:02,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:13:02,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:13:02,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:13:02,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:13:02,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:13:02,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:13:02,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:13:02,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:13:02,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:13:02,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:13:02,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:13:02,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 10:13:02,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:13:02,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:13:02,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:13:02,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:13:02,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:13:02,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:13:02,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:13:02,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:13:02,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:13:02,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:13:02,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:13:02,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:13:02,130 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:13:02,130 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:13:02,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:13:02,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:13:02,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:13:02,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:13:02,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:13:02,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:13:02,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:13:02,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:13:02,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:13:02,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:13:02,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:13:02,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:13:02,134 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:13:02,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:13:02,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:13:02,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:13:02,135 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer 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 -> 963536477b49c0268678cb8326bb32feb993b05a [2019-11-20 10:13:02,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:13:02,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:13:02,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:13:02,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:13:02,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:13:02,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-11-20 10:13:02,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/5bf8f6c2e/341e1bd328ca460f8c329321f030c982/FLAG529b99c9f [2019-11-20 10:13:03,056 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:13:03,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c [2019-11-20 10:13:03,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/5bf8f6c2e/341e1bd328ca460f8c329321f030c982/FLAG529b99c9f [2019-11-20 10:13:03,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/data/5bf8f6c2e/341e1bd328ca460f8c329321f030c982 [2019-11-20 10:13:03,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:13:03,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:13:03,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:13:03,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:13:03,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:13:03,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c3b6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03, skipping insertion in model container [2019-11-20 10:13:03,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:13:03,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:13:03,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:13:03,709 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:13:03,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:13:03,873 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:13:03,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03 WrapperNode [2019-11-20 10:13:03,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:13:03,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:13:03,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:13:03,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:13:03,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:13:03,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:13:03,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:13:03,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:13:03,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... [2019-11-20 10:13:03,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:13:03,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:13:03,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:13:03,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:13:03,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/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 [2019-11-20 10:13:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:13:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 10:13:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:13:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:13:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:13:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 10:13:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:13:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:13:21,605 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:13:21,606 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-20 10:13:21,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:13:21 BoogieIcfgContainer [2019-11-20 10:13:21,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:13:21,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:13:21,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:13:21,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:13:21,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:13:03" (1/3) ... [2019-11-20 10:13:21,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b125e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:13:21, skipping insertion in model container [2019-11-20 10:13:21,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:03" (2/3) ... [2019-11-20 10:13:21,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b125e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:13:21, skipping insertion in model container [2019-11-20 10:13:21,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:13:21" (3/3) ... [2019-11-20 10:13:21,616 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c [2019-11-20 10:13:21,627 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:13:21,633 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:13:21,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:13:21,667 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:13:21,667 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:13:21,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:13:21,668 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:13:21,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:13:21,668 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:13:21,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:13:21,669 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:13:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-11-20 10:13:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:13:21,688 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:13:21,689 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:13:21,690 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:13:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:13:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times [2019-11-20 10:13:21,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:13:21,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399420203] [2019-11-20 10:13:21,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/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 [2019-11-20 10:13:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:22,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 10:13:22,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:13:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:22,074 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:13:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:22,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399420203] [2019-11-20 10:13:22,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:13:22,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 10:13:22,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316781314] [2019-11-20 10:13:22,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:13:22,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:13:22,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:13:22,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:13:22,100 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-11-20 10:13:22,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:13:22,123 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions. [2019-11-20 10:13:22,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:13:22,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:13:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:13:22,137 INFO L225 Difference]: With dead ends: 99 [2019-11-20 10:13:22,138 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 10:13:22,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:13:22,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 10:13:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 10:13:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 10:13:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2019-11-20 10:13:22,184 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2019-11-20 10:13:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:13:22,184 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2019-11-20 10:13:22,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:13:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 10:13:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:13:22,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:13:22,186 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:13:22,402 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 10:13:22,402 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:13:22,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:13:22,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times [2019-11-20 10:13:22,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:13:22,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762436668] [2019-11-20 10:13:22,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/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 [2019-11-20 10:13:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:22,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:13:22,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:13:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:22,757 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:13:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:22,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762436668] [2019-11-20 10:13:22,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:13:22,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 10:13:22,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269288509] [2019-11-20 10:13:22,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:13:22,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:13:22,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:13:22,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:13:22,765 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand 3 states. [2019-11-20 10:13:22,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:13:22,788 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2019-11-20 10:13:22,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:13:22,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-20 10:13:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:13:22,790 INFO L225 Difference]: With dead ends: 87 [2019-11-20 10:13:22,790 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 10:13:22,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:13:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 10:13:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 10:13:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 10:13:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-11-20 10:13:22,799 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2019-11-20 10:13:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:13:22,800 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-20 10:13:22,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:13:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2019-11-20 10:13:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:13:22,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:13:22,802 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:13:23,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 10:13:23,019 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:13:23,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:13:23,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times [2019-11-20 10:13:23,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:13:23,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450431471] [2019-11-20 10:13:23,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/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 [2019-11-20 10:13:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:23,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:13:23,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:13:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:23,460 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:13:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:23,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450431471] [2019-11-20 10:13:23,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:13:23,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 10:13:23,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881961110] [2019-11-20 10:13:23,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 10:13:23,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:13:23,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:13:23,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:13:23,680 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand 10 states. [2019-11-20 10:13:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:13:24,555 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2019-11-20 10:13:24,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:13:24,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2019-11-20 10:13:24,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:13:24,613 INFO L225 Difference]: With dead ends: 52 [2019-11-20 10:13:24,613 INFO L226 Difference]: Without dead ends: 18 [2019-11-20 10:13:24,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:13:24,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-20 10:13:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 10:13:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 10:13:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-11-20 10:13:24,618 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-11-20 10:13:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:13:24,619 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-11-20 10:13:24,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 10:13:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-11-20 10:13:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:13:24,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:13:24,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:13:24,823 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 10:13:24,824 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:13:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:13:24,824 INFO L82 PathProgramCache]: Analyzing trace with hash -616191433, now seen corresponding path program 1 times [2019-11-20 10:13:24,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:13:24,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435310772] [2019-11-20 10:13:24,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 10:13:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:13:25,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:13:25,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:13:25,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:13:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:25,455 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:13:27,605 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-20 10:13:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:13:27,619 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435310772] [2019-11-20 10:13:27,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:13:27,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-20 10:13:27,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581873310] [2019-11-20 10:13:27,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 10:13:27,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:13:27,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 10:13:27,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:13:27,622 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 10 states. [2019-11-20 10:13:28,515 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-11-20 10:13:28,852 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-11-20 10:13:29,125 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-11-20 10:13:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:13:29,126 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-20 10:13:29,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:13:29,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-20 10:13:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:13:29,127 INFO L225 Difference]: With dead ends: 18 [2019-11-20 10:13:29,127 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:13:29,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:13:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:13:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:13:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:13:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:13:29,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-20 10:13:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:13:29,130 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:13:29,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 10:13:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:13:29,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:13:29,330 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 10:13:29,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:13:29,583 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-11-20 10:13:29,772 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-11-20 10:13:29,793 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L168-2(lines 168 177) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L440 ceAbstractionStarter]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L135-3(lines 135 139) no Hoare annotation was computed. [2019-11-20 10:13:29,794 INFO L444 ceAbstractionStarter]: For program point L168-4(lines 168 177) no Hoare annotation was computed. [2019-11-20 10:13:29,795 INFO L440 ceAbstractionStarter]: At program point L94(lines 20 96) the Hoare annotation is: false [2019-11-20 10:13:29,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:13:29,795 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:13:29,795 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2019-11-20 10:13:29,795 INFO L444 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2019-11-20 10:13:29,795 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L440 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (fp.lt ULTIMATE.start___ieee754_log10f_~x .cse0) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse0) (exists ((ULTIMATE.start___ieee754_log10f_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 10:13:29,796 INFO L447 ceAbstractionStarter]: At program point L179(lines 159 180) the Hoare annotation is: true [2019-11-20 10:13:29,796 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L444 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L444 ceAbstractionStarter]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L444 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2019-11-20 10:13:29,796 INFO L440 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: false [2019-11-20 10:13:29,797 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:13:29,797 INFO L440 ceAbstractionStarter]: At program point L156(lines 148 157) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2019-11-20 10:13:29,797 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2019-11-20 10:13:29,797 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2019-11-20 10:13:29,797 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-11-20 10:13:29,797 INFO L440 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2019-11-20 10:13:29,797 INFO L444 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L440 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 176) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:13:29,798 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L444 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L444 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L440 ceAbstractionStarter]: At program point L141(lines 105 142) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start___ieee754_log10f_~x .cse0) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) .cse0) (exists ((ULTIMATE.start___ieee754_log10f_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10f_~x ULTIMATE.start___ieee754_log10f_~x) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 10:13:29,799 INFO L444 ceAbstractionStarter]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-11-20 10:13:29,799 INFO L440 ceAbstractionStarter]: At program point L125-2(lines 125 129) the Hoare annotation is: false [2019-11-20 10:13:29,800 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 150 154) no Hoare annotation was computed. [2019-11-20 10:13:29,800 INFO L440 ceAbstractionStarter]: At program point L150-2(lines 150 154) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) [2019-11-20 10:13:29,800 INFO L444 ceAbstractionStarter]: For program point L150-3(lines 150 154) no Hoare annotation was computed. [2019-11-20 10:13:29,800 INFO L444 ceAbstractionStarter]: For program point L109-1(lines 109 113) no Hoare annotation was computed. [2019-11-20 10:13:29,800 INFO L440 ceAbstractionStarter]: At program point L109-2(lines 109 113) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (fp.lt ULTIMATE.start___ieee754_log10f_~x .cse0) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 10:13:29,800 INFO L444 ceAbstractionStarter]: For program point L109-3(lines 109 113) no Hoare annotation was computed. [2019-11-20 10:13:29,800 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-11-20 10:13:29,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:13:29 BoogieIcfgContainer [2019-11-20 10:13:29,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:13:29,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:13:29,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:13:29,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:13:29,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:13:21" (3/4) ... [2019-11-20 10:13:29,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:13:29,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 10:13:29,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 10:13:29,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:13:29,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) [2019-11-20 10:13:29,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && 1bv32 == \result) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) [2019-11-20 10:13:29,959 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_16733f0b-4afa-411e-9d9e-e29d2d340880/bin/uautomizer/witness.graphml [2019-11-20 10:13:29,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:13:29,961 INFO L168 Benchmark]: Toolchain (without parser) took 26569.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.1 MB in the beginning and 926.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 164.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,961 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:13:29,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.32 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,963 INFO L168 Benchmark]: Boogie Preprocessor took 55.77 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. [2019-11-20 10:13:29,963 INFO L168 Benchmark]: RCFGBuilder took 17614.80 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,964 INFO L168 Benchmark]: TraceAbstraction took 8229.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,964 INFO L168 Benchmark]: Witness Printer took 121.51 ms. Allocated memory is still 1.2 GB. Free memory was 932.8 MB in the beginning and 926.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:13:29,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 481.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.32 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 17614.80 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: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8229.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. * Witness Printer took 121.51 ms. Allocated memory is still 1.2 GB. Free memory was 932.8 MB in the beginning and 926.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant [2019-11-20 10:13:29,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant [2019-11-20 10:13:29,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && 1bv32 == \result) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 148]: Loop Invariant [2019-11-20 10:13:29,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_float(x)-aux && zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 105]: Loop Invariant [2019-11-20 10:13:29,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x,QUANTIFIED] [2019-11-20 10:13:29,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists ULTIMATE.start___ieee754_log10f_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x, ULTIMATE.start___ieee754_log10f_~x), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant [2019-11-20 10:13:29,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:13:29,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_float(x)-aux && zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) && ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 153 SDtfs, 59 SDslu, 134 SDs, 0 SdLazy, 30 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 128 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 20 QuantifiedInterpolants, 8755 SizeOfPredicates, 14 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...