./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 77a01f137667344720fd98189387bfe86c106b2a .................................................................................................................................................................................................................................................................................... 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_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:14,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:14,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:14,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:14,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:14,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:14,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:14,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:14,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:14,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:14,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:14,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:14,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:14,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:14,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:14,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:14,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:14,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:14,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:14,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:14,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:14,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:14,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:14,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:14,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:14,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:14,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:14,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:14,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:14,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:14,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:14,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:14,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:14,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:14,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:14,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:14,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:14,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:14,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:14,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:14,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:14,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:14,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:14,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:14,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:14,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:14,909 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:14,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:14,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:14,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:14,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:14,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:14,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:14,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:14,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:14,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:14,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:14,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:14,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:14,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:14,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:14,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:14,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:14,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:14,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:14,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:14,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:14,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:14,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:14,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:14,916 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_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-25 08:50:15,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:15,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:15,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:15,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:15,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:15,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-25 08:50:15,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/3322db732/38f694f4c76146eba653cf46a498699f/FLAG9efb26296 [2019-11-25 08:50:15,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:15,543 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-25 08:50:15,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/3322db732/38f694f4c76146eba653cf46a498699f/FLAG9efb26296 [2019-11-25 08:50:15,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/3322db732/38f694f4c76146eba653cf46a498699f [2019-11-25 08:50:15,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:15,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:15,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:15,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:15,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:15,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500700ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:15, skipping insertion in model container [2019-11-25 08:50:15,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:15" (1/1) ... [2019-11-25 08:50:15,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:15,936 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:16,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:16,243 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:16,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:16,329 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:16,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16 WrapperNode [2019-11-25 08:50:16,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:16,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:16,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:16,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:16,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:16,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:16,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:16,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:16,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... [2019-11-25 08:50:16,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:16,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:16,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:16,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:16,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 [2019-11-25 08:50:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:50:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:50:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:50:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:16,891 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:16,891 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-25 08:50:16,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16 BoogieIcfgContainer [2019-11-25 08:50:16,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:16,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:16,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:16,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:16,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:15" (1/3) ... [2019-11-25 08:50:16,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bea507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:16, skipping insertion in model container [2019-11-25 08:50:16,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:16" (2/3) ... [2019-11-25 08:50:16,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bea507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:16, skipping insertion in model container [2019-11-25 08:50:16,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16" (3/3) ... [2019-11-25 08:50:16,900 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-25 08:50:16,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:16,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:16,922 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:16,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:16,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:16,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:16,944 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:16,945 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:16,945 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:16,945 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:16,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-25 08:50:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:50:16,963 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:16,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:16,964 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:16,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:16,967 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-25 08:50:16,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:16,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882160403] [2019-11-25 08:50:16,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:17,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882160403] [2019-11-25 08:50:17,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:17,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:50:17,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424001823] [2019-11-25 08:50:17,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:50:17,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:17,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:50:17,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:17,094 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-25 08:50:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:17,110 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-25 08:50:17,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:17,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-25 08:50:17,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:17,120 INFO L225 Difference]: With dead ends: 96 [2019-11-25 08:50:17,120 INFO L226 Difference]: Without dead ends: 46 [2019-11-25 08:50:17,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-25 08:50:17,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-25 08:50:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 08:50:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-25 08:50:17,152 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-25 08:50:17,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:17,152 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-25 08:50:17,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:50:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-25 08:50:17,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:50:17,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:17,153 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:17,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:17,154 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-25 08:50:17,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:17,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080150440] [2019-11-25 08:50:17,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:17,228 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:17,229 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:50:17,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:17 BoogieIcfgContainer [2019-11-25 08:50:17,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:17,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:17,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:17,263 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:17,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:16" (3/4) ... [2019-11-25 08:50:17,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:50:17,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:17,267 INFO L168 Benchmark]: Toolchain (without parser) took 1364.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -125.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,268 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 08:50:17,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.58 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,269 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 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. [2019-11-25 08:50:17,270 INFO L168 Benchmark]: RCFGBuilder took 480.64 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,270 INFO L168 Benchmark]: TraceAbstraction took 368.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:17,270 INFO L168 Benchmark]: Witness Printer took 3.03 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. [2019-11-25 08:50:17,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 427.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.58 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.27 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 480.64 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 368.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] double res = __ieee754_sqrt(x); [L130] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:19,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:19,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:19,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:19,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:19,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:19,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:19,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:19,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:19,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:19,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:19,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:19,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:19,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:19,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:19,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:19,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:19,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:19,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:19,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:19,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:19,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:19,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:19,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:19,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:19,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:19,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:19,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:19,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:19,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:19,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:19,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:19,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:19,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:19,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:19,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:19,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:19,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:19,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:19,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:19,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:19,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:50:19,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:19,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:19,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:19,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:19,250 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:19,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:19,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:19,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:19,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:19,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:19,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:19,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:19,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:50:19,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:50:19,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:50:19,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:19,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:19,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:19,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:19,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:19,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:19,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:19,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:19,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:19,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:19,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:19,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:19,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:50:19,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:50:19,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:19,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:50:19,261 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_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-25 08:50:19,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:19,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:19,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:19,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:19,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:19,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-25 08:50:19,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/533fc9e9b/7340e2b60b2e440eae3e2b71a5d93b06/FLAG9f06b451b [2019-11-25 08:50:20,013 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:20,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-25 08:50:20,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/533fc9e9b/7340e2b60b2e440eae3e2b71a5d93b06/FLAG9f06b451b [2019-11-25 08:50:20,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/data/533fc9e9b/7340e2b60b2e440eae3e2b71a5d93b06 [2019-11-25 08:50:20,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:20,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:20,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:20,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:20,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:20,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f8e482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20, skipping insertion in model container [2019-11-25 08:50:20,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:20,066 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:20,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:20,240 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:20,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:20,384 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:20,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20 WrapperNode [2019-11-25 08:50:20,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:20,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:20,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:20,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:20,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:20,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:20,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:20,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:20,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... [2019-11-25 08:50:20,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:20,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:20,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:20,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:20,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 [2019-11-25 08:50:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:50:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:50:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:50:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:50:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:23,086 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:23,086 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-25 08:50:23,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:23 BoogieIcfgContainer [2019-11-25 08:50:23,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:23,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:23,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:23,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:23,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:20" (1/3) ... [2019-11-25 08:50:23,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154d1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:23, skipping insertion in model container [2019-11-25 08:50:23,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:20" (2/3) ... [2019-11-25 08:50:23,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1154d1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:23, skipping insertion in model container [2019-11-25 08:50:23,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:23" (3/3) ... [2019-11-25 08:50:23,094 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-25 08:50:23,102 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:23,108 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:23,118 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:23,137 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:23,137 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:23,138 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:23,138 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:23,138 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:23,138 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:23,138 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:23,138 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-25 08:50:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-25 08:50:23,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:23,155 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:23,155 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:23,160 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-25 08:50:23,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:50:23,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438166663] [2019-11-25 08:50:23,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 [2019-11-25 08:50:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:23,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:50:23,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:23,540 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:50:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:23,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438166663] [2019-11-25 08:50:23,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:23,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:50:23,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919779094] [2019-11-25 08:50:23,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:50:23,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:50:23,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:50:23,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:23,566 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-25 08:50:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:23,587 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-25 08:50:23,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:23,589 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-25 08:50:23,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:23,599 INFO L225 Difference]: With dead ends: 96 [2019-11-25 08:50:23,599 INFO L226 Difference]: Without dead ends: 46 [2019-11-25 08:50:23,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:50:23,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-25 08:50:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-25 08:50:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 08:50:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-25 08:50:23,636 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-25 08:50:23,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:23,636 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-25 08:50:23,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:50:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-25 08:50:23,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:50:23,638 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:23,638 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:23,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:50:23,853 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:23,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:23,854 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-25 08:50:23,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:50:23,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521907308] [2019-11-25 08:50:23,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 [2019-11-25 08:50:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:24,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:50:24,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:24,383 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:50:44,683 WARN L192 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-25 08:50:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:44,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521907308] [2019-11-25 08:50:44,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:44,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-25 08:50:44,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242441037] [2019-11-25 08:50:44,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 08:50:44,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:50:44,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 08:50:44,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=66, Unknown=3, NotChecked=0, Total=90 [2019-11-25 08:50:44,713 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2019-11-25 08:50:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:49,751 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2019-11-25 08:50:49,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:50:49,751 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-11-25 08:50:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:49,753 INFO L225 Difference]: With dead ends: 56 [2019-11-25 08:50:49,753 INFO L226 Difference]: Without dead ends: 51 [2019-11-25 08:50:49,755 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=48, Invalid=105, Unknown=3, NotChecked=0, Total=156 [2019-11-25 08:50:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-25 08:50:49,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2019-11-25 08:50:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-25 08:50:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2019-11-25 08:50:49,763 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 9 [2019-11-25 08:50:49,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:49,764 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2019-11-25 08:50:49,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 08:50:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2019-11-25 08:50:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:50:49,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:49,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:50:49,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:50:49,986 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:49,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:49,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2019-11-25 08:50:49,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:50:49,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160392941] [2019-11-25 08:50:49,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/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 [2019-11-25 08:50:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:50,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:50:50,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:50,190 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:50:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:50,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160392941] [2019-11-25 08:50:50,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:50,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-25 08:50:50,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920876400] [2019-11-25 08:50:50,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:50:50,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:50:50,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:50:50,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:50:50,277 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 6 states. [2019-11-25 08:50:50,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:50,356 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2019-11-25 08:50:50,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:50,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-25 08:50:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:50,357 INFO L225 Difference]: With dead ends: 46 [2019-11-25 08:50:50,357 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:50:50,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:50:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:50:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:50:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:50:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:50,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-25 08:50:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:50,359 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:50,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:50:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:50,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:50:50,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:50:50,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:50:50,724 INFO L440 ceAbstractionStarter]: At program point L126(lines 19 127) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-25 08:50:50,724 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-11-25 08:50:50,724 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-11-25 08:50:50,724 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 146) no Hoare annotation was computed. [2019-11-25 08:50:50,724 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:50:50,725 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:50:50,726 INFO L444 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-25 08:50:50,726 INFO L440 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-11-25 08:50:50,726 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-25 08:50:50,727 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-11-25 08:50:50,728 INFO L444 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-11-25 08:50:50,728 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-11-25 08:50:50,728 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-11-25 08:50:50,728 INFO L444 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-11-25 08:50:50,728 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-11-25 08:50:50,729 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:50:50,729 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-11-25 08:50:50,729 INFO L444 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-11-25 08:50:50,729 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-11-25 08:50:50,729 INFO L440 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-11-25 08:50:50,730 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:50:50,730 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-25 08:50:50,730 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-25 08:50:50,730 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2019-11-25 08:50:50,731 INFO L447 ceAbstractionStarter]: At program point L148(lines 132 149) the Hoare annotation is: true [2019-11-25 08:50:50,731 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-11-25 08:50:50,731 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-11-25 08:50:50,731 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-25 08:50:50,731 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:50:50,732 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-25 08:50:50,732 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-11-25 08:50:50,732 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-11-25 08:50:50,732 INFO L440 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x))) [2019-11-25 08:50:50,733 INFO L444 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-11-25 08:50:50,733 INFO L444 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-11-25 08:50:50,733 INFO L440 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-11-25 08:50:50,734 INFO L444 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-11-25 08:50:50,734 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-11-25 08:50:50,734 INFO L444 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-11-25 08:50:50,734 INFO L444 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-11-25 08:50:50,735 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-25 08:50:50,735 INFO L444 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-11-25 08:50:50,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,749 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:50 BoogieIcfgContainer [2019-11-25 08:50:50,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:50,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:50,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:50,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:50,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:23" (3/4) ... [2019-11-25 08:50:50,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:50:50,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:50:50,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:50:50,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:50:50,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-25 08:50:50,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-11-25 08:50:50,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-11-25 08:50:50,890 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0b9f5ac-c00e-4da6-b5b0-30ed545f11da/bin/uautomizer/witness.graphml [2019-11-25 08:50:50,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:50,891 INFO L168 Benchmark]: Toolchain (without parser) took 30856.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 957.8 MB in the beginning and 997.9 MB in the end (delta: -40.2 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:50,892 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:50,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:50,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.69 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. [2019-11-25 08:50:50,893 INFO L168 Benchmark]: Boogie Preprocessor took 36.16 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. [2019-11-25 08:50:50,893 INFO L168 Benchmark]: RCFGBuilder took 2621.12 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:50,894 INFO L168 Benchmark]: TraceAbstraction took 27698.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:50,894 INFO L168 Benchmark]: Witness Printer took 102.76 ms. Allocated memory is still 1.2 GB. Free memory is still 997.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:50,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.69 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 36.16 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 2621.12 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27698.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. * Witness Printer took 102.76 ms. Allocated memory is still 1.2 GB. Free memory is still 997.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2019-11-25 08:50:50,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:50:50,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 130]: Loop Invariant [2019-11-25 08:50:50,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-25 08:50:50,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:50:50,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:50:50,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 27.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 127 SDtfs, 73 SDslu, 236 SDs, 0 SdLazy, 45 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 4 QuantifiedInterpolants, 2810 SizeOfPredicates, 16 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...