./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 df7585bdb7f55dd146660d2fca5142563fdf3df8 ........................................................................................................................................................................................................................................................................................... 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_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 df7585bdb7f55dd146660d2fca5142563fdf3df8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:31:13,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:31:13,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:31:13,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:31:13,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:31:13,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:31:13,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:31:13,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:31:13,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:31:13,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:31:13,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:31:13,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:31:13,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:31:13,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:31:13,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:31:13,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:31:13,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:31:13,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:31:13,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:31:13,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:31:13,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:31:13,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:31:13,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:31:13,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:31:13,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:31:13,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:31:13,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:31:13,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:31:13,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:31:13,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:31:13,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:31:13,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:31:13,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:31:13,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:31:13,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:31:13,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:31:13,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:31:13,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:31:13,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:31:13,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:31:13,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:31:13,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:31:13,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:31:13,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:31:13,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:31:13,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:31:13,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:31:13,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:31:13,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:31:13,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:31:13,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:31:13,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:31:13,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:31:13,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:31:13,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:31:13,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:31:13,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:31:13,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:31:13,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:31:13,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:31:13,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:31:13,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:31:13,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:31:13,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:31:13,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:31:13,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:31:13,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:31:13,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:31:13,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:31:13,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:31:13,721 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_9c62f8a9-c5bb-4c91-9561-267734926cab/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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2019-11-15 20:31:13,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:31:13,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:31:13,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:31:13,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:31:13,760 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:31:13,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-15 20:31:13,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/faa3e37a3/5c157be6c96d44ac8de87e950a08838d/FLAGacabf8f14 [2019-11-15 20:31:14,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:31:14,214 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-15 20:31:14,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/faa3e37a3/5c157be6c96d44ac8de87e950a08838d/FLAGacabf8f14 [2019-11-15 20:31:14,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/faa3e37a3/5c157be6c96d44ac8de87e950a08838d [2019-11-15 20:31:14,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:31:14,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:31:14,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:31:14,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:31:14,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:31:14,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:14,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9807a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14, skipping insertion in model container [2019-11-15 20:31:14,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:14,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:31:14,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:31:14,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:31:14,930 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:31:14,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:31:14,986 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:31:14,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14 WrapperNode [2019-11-15 20:31:14,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:31:14,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:31:14,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:31:14,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:31:14,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:31:15,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:31:15,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:31:15,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:31:15,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... [2019-11-15 20:31:15,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:31:15,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:31:15,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:31:15,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:31:15,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 [2019-11-15 20:31:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:31:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 20:31:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:31:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 20:31:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:31:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:31:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:31:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:31:15,517 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:31:15,517 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-15 20:31:15,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:15 BoogieIcfgContainer [2019-11-15 20:31:15,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:31:15,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:31:15,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:31:15,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:31:15,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:31:14" (1/3) ... [2019-11-15 20:31:15,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea3df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:31:15, skipping insertion in model container [2019-11-15 20:31:15,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:14" (2/3) ... [2019-11-15 20:31:15,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea3df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:31:15, skipping insertion in model container [2019-11-15 20:31:15,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:15" (3/3) ... [2019-11-15 20:31:15,525 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920b.c [2019-11-15 20:31:15,534 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:31:15,539 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:31:15,549 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:31:15,570 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:31:15,570 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:31:15,570 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:31:15,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:31:15,570 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:31:15,571 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:31:15,571 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:31:15,571 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:31:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-15 20:31:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:31:15,588 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:31:15,589 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:31:15,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:31:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:31:15,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times [2019-11-15 20:31:15,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:31:15,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474806147] [2019-11-15 20:31:15,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:31:15,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:31:15,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:31:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:31:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:15,697 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474806147] [2019-11-15 20:31:15,697 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:31:15,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 20:31:15,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688666302] [2019-11-15 20:31:15,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:31:15,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:31:15,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:31:15,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:31:15,714 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-15 20:31:15,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:31:15,729 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions. [2019-11-15 20:31:15,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:31:15,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:31:15,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:31:15,740 INFO L225 Difference]: With dead ends: 58 [2019-11-15 20:31:15,740 INFO L226 Difference]: Without dead ends: 27 [2019-11-15 20:31:15,743 INFO L600 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 [2019-11-15 20:31:15,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-15 20:31:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-15 20:31:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-15 20:31:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-15 20:31:15,770 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9 [2019-11-15 20:31:15,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:31:15,771 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-15 20:31:15,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:31:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-15 20:31:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:31:15,772 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:31:15,772 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:31:15,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:31:15,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:31:15,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times [2019-11-15 20:31:15,773 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:31:15,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166841398] [2019-11-15 20:31:15,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:31:15,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:31:15,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:31:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:31:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:31:15,858 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:31:15,858 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:31:15,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:31:15 BoogieIcfgContainer [2019-11-15 20:31:15,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:31:15,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:31:15,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:31:15,888 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:31:15,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:15" (3/4) ... [2019-11-15 20:31:15,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:31:15,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:31:15,894 INFO L168 Benchmark]: Toolchain (without parser) took 1290.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:15,894 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:31:15,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:15,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.91 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. [2019-11-15 20:31:15,896 INFO L168 Benchmark]: Boogie Preprocessor took 41.26 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. [2019-11-15 20:31:15,896 INFO L168 Benchmark]: RCFGBuilder took 446.07 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:15,897 INFO L168 Benchmark]: TraceAbstraction took 367.62 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:15,897 INFO L168 Benchmark]: Witness Printer took 4.21 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. [2019-11-15 20:31:15,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.91 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 41.26 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 446.07 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 367.62 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.21 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: 125]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 43. Possible FailurePath: [L24-L28] 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; [L30] static const float zero_log = 0.0; VAL [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, two25_log=33554432, zero_log=0] [L120] float x = -1.0f / 0.0f; [L33] float hfsq, f, s, z, R, w, t1, t2, dk; [L34] __int32_t k, ix, i, j; VAL [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, two25_log=33554432, zero_log=0] [L37] ieee_float_shape_type gf_u; [L38] gf_u.value = (x) [L39] EXPR gf_u.word [L39] (ix) = gf_u.word [L42] k = 0 VAL [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, two25_log=33554432, zero_log=0] [L43] COND TRUE ((ix & 0x7fffffff) == 0) [L44] return -two25_log / zero_log; VAL [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, two25_log=33554432, zero_log=0] [L121] float res = __ieee754_logf(x); [L111] return x != x; VAL [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, two25_log=33554432, zero_log=0] [L124] COND TRUE !isnan_float(res) [L125] __VERIFIER_error() VAL [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, two25_log=33554432, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:31:18,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:31:18,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:31:18,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-15 20:31:18,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:31:18,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:31:18,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:31:18,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:31:18,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:31:18,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:31:18,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:31:18,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:31:18,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:31:18,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:31:18,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:31:18,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:31:18,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-15 20:31:18,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:31:18,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:31:18,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:31:18,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:31:18,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:31:18,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:31:18,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:31:18,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:31:18,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:31:18,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:31:18,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:31:18,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:31:18,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:31:18,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:31:18,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:31:18,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:31:18,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:31:18,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:31:18,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:31:18,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:31:18,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:31:18,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:31:18,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:31:18,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:31:18,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:31:18,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:31:18,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:31:18,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:31:18,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:31:18,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:31:18,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:31:18,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:31:18,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:31:18,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:31:18,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:31:18,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:31:18,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:31:18,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:31:18,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:31:18,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:31:18,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:31:18,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:31:18,239 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_9c62f8a9-c5bb-4c91-9561-267734926cab/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 -> df7585bdb7f55dd146660d2fca5142563fdf3df8 [2019-11-15 20:31:18,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:31:18,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:31:18,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:31:18,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:31:18,284 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:31:18,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-15 20:31:18,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/147f84d1d/132a15049e214317ac1f3868c52cd557/FLAG2ad2f312d [2019-11-15 20:31:18,688 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:31:18,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/sv-benchmarks/c/float-newlib/float_req_bl_0920b.c [2019-11-15 20:31:18,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/147f84d1d/132a15049e214317ac1f3868c52cd557/FLAG2ad2f312d [2019-11-15 20:31:19,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/data/147f84d1d/132a15049e214317ac1f3868c52cd557 [2019-11-15 20:31:19,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:31:19,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:31:19,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:31:19,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:31:19,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:31:19,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62de529f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19, skipping insertion in model container [2019-11-15 20:31:19,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,116 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:31:19,140 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:31:19,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:31:19,379 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:31:19,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:31:19,502 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:31:19,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19 WrapperNode [2019-11-15 20:31:19,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:31:19,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:31:19,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:31:19,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:31:19,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:31:19,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:31:19,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:31:19,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:31:19,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... [2019-11-15 20:31:19,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:31:19,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:31:19,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:31:19,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:31:19,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 [2019-11-15 20:31:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:31:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 20:31:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:31:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:31:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 20:31:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:31:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:31:29,125 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:31:29,125 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-15 20:31:29,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:29 BoogieIcfgContainer [2019-11-15 20:31:29,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:31:29,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:31:29,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:31:29,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:31:29,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:31:19" (1/3) ... [2019-11-15 20:31:29,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648e9bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:31:29, skipping insertion in model container [2019-11-15 20:31:29,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:31:19" (2/3) ... [2019-11-15 20:31:29,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648e9bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:31:29, skipping insertion in model container [2019-11-15 20:31:29,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:29" (3/3) ... [2019-11-15 20:31:29,133 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920b.c [2019-11-15 20:31:29,140 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:31:29,145 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:31:29,155 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:31:29,172 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:31:29,173 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:31:29,173 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:31:29,173 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:31:29,173 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:31:29,173 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:31:29,174 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:31:29,174 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:31:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-15 20:31:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:31:29,189 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:31:29,190 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:31:29,191 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:31:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:31:29,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times [2019-11-15 20:31:29,202 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:31:29,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671180006] [2019-11-15 20:31:29,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 [2019-11-15 20:31:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:31:29,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 20:31:29,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:31:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:29,466 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:31:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:29,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671180006] [2019-11-15 20:31:29,471 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:31:29,471 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:31:29,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342279375] [2019-11-15 20:31:29,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:31:29,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:31:29,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:31:29,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:31:29,486 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-11-15 20:31:29,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:31:29,504 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions. [2019-11-15 20:31:29,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:31:29,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:31:29,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:31:29,515 INFO L225 Difference]: With dead ends: 58 [2019-11-15 20:31:29,515 INFO L226 Difference]: Without dead ends: 27 [2019-11-15 20:31:29,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:31:29,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-15 20:31:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-15 20:31:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-15 20:31:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-15 20:31:29,550 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9 [2019-11-15 20:31:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:31:29,550 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-15 20:31:29,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:31:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-15 20:31:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:31:29,551 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:31:29,551 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:31:29,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:31:29,765 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:31:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:31:29,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times [2019-11-15 20:31:29,765 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:31:29,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035939853] [2019-11-15 20:31:29,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 [2019-11-15 20:31:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:31:30,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 20:31:30,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:31:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:30,078 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:31:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:30,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035939853] [2019-11-15 20:31:30,139 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:31:30,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-15 20:31:30,139 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696040522] [2019-11-15 20:31:30,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:31:30,141 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:31:30,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:31:30,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:31:30,141 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-11-15 20:31:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:31:30,463 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2019-11-15 20:31:30,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:31:30,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-15 20:31:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:31:30,465 INFO L225 Difference]: With dead ends: 32 [2019-11-15 20:31:30,465 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 20:31:30,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:31:30,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 20:31:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 20:31:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 20:31:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-15 20:31:30,469 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2019-11-15 20:31:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:31:30,469 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-15 20:31:30,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:31:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-15 20:31:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:31:30,470 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:31:30,470 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:31:30,679 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 20:31:30,679 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:31:30,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:31:30,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1245975282, now seen corresponding path program 1 times [2019-11-15 20:31:30,680 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:31:30,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772041970] [2019-11-15 20:31:30,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/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 [2019-11-15 20:31:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:31:30,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 20:31:30,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:31:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:31,065 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:31:36,201 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-11-15 20:31:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:31:36,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772041970] [2019-11-15 20:31:36,211 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:31:36,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 20:31:36,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349676706] [2019-11-15 20:31:36,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 20:31:36,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:31:36,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 20:31:36,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:31:36,213 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 10 states. [2019-11-15 20:31:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:31:36,803 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-15 20:31:36,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:31:36,803 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-15 20:31:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:31:36,804 INFO L225 Difference]: With dead ends: 12 [2019-11-15 20:31:36,804 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:31:36,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-15 20:31:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:31:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:31:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:31:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:31:36,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-15 20:31:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:31:36,806 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:31:36,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 20:31:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:31:36,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:31:37,017 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 20:31:37,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:31:37,137 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 101) no Hoare annotation was computed. [2019-11-15 20:31:37,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2019-11-15 20:31:37,137 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 52 56) no Hoare annotation was computed. [2019-11-15 20:31:37,138 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 56) the Hoare annotation is: false [2019-11-15 20:31:37,138 INFO L439 ceAbstractionStarter]: At program point L106(lines 32 108) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= .cse0 ULTIMATE.start___ieee754_logf_~x) (= .cse1 ~zero_log~0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1))) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1)))) [2019-11-15 20:31:37,138 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 76) no Hoare annotation was computed. [2019-11-15 20:31:37,138 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2019-11-15 20:31:37,138 INFO L439 ceAbstractionStarter]: At program point L36-2(lines 36 40) the Hoare annotation is: (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_logf_~x) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point L36-3(lines 36 40) no Hoare annotation was computed. [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2019-11-15 20:31:37,139 INFO L439 ceAbstractionStarter]: At program point L61-2(lines 61 65) the Hoare annotation is: false [2019-11-15 20:31:37,139 INFO L443 ceAbstractionStarter]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2019-11-15 20:31:37,140 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 57) no Hoare annotation was computed. [2019-11-15 20:31:37,140 INFO L443 ceAbstractionStarter]: For program point L49-1(lines 49 57) no Hoare annotation was computed. [2019-11-15 20:31:37,140 INFO L439 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= .cse0 ULTIMATE.start___ieee754_logf_~x) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= .cse1 ~zero_log~0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~ix~1) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~ix~1))) (= |ULTIMATE.start___ieee754_logf_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) .cse1)))) [2019-11-15 20:31:37,140 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 83) no Hoare annotation was computed. [2019-11-15 20:31:37,140 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-15 20:31:37,140 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 107) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 127) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L446 ceAbstractionStarter]: At program point L129(lines 113 130) the Hoare annotation is: true [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-15 20:31:37,141 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-15 20:31:37,142 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 84) no Hoare annotation was computed. [2019-11-15 20:31:37,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:31:37 BoogieIcfgContainer [2019-11-15 20:31:37,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:31:37,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:31:37,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:31:37,169 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:31:37,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:31:29" (3/4) ... [2019-11-15 20:31:37,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:31:37,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 20:31:37,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 20:31:37,207 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-15 20:31:37,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x && 1bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-15 20:31:37,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c62f8a9-c5bb-4c91-9561-267734926cab/bin/uautomizer/witness.graphml [2019-11-15 20:31:37,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:31:37,254 INFO L168 Benchmark]: Toolchain (without parser) took 18152.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 998.2 MB in the end (delta: -47.2 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:37,255 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:31:37,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:37,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.34 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. [2019-11-15 20:31:37,256 INFO L168 Benchmark]: Boogie Preprocessor took 36.43 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:37,256 INFO L168 Benchmark]: RCFGBuilder took 9519.41 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. [2019-11-15 20:31:37,257 INFO L168 Benchmark]: TraceAbstraction took 8040.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:37,257 INFO L168 Benchmark]: Witness Printer took 84.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:31:37,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.34 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 36.43 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9519.41 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 8040.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 125]: 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: 111]: Loop Invariant [2019-11-15 20:31:37,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x && 1bv32 == \result) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 32]: Loop Invariant [2019-11-15 20:31:37,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0])) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant [2019-11-15 20:31:37,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:31:37,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 53 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 127 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 1 QuantifiedInterpolants, 3928 SizeOfPredicates, 14 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...