./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ........................................................................................................................................................................................................................................................................................ 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_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:34:51,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:34:51,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:34:51,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:34:51,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:34:51,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:34:51,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:34:51,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:34:51,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:34:51,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:34:51,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:34:51,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:34:51,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:34:51,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:34:51,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:34:51,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:34:51,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:34:51,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:34:51,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:34:51,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:34:51,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:34:51,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:34:51,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:34:51,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:34:51,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:34:51,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:34:51,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:34:51,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:34:51,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:34:51,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:34:51,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:34:51,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:34:51,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:34:51,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:34:51,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:34:51,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:34:51,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:34:51,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:34:51,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:34:51,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:34:51,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:34:51,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:34:51,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:34:51,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:34:51,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:34:51,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:34:51,993 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:34:51,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:34:51,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:34:51,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:34:51,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:34:51,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:34:51,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:34:51,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:34:51,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:34:51,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:34:51,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:34:51,996 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:34:51,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:34:51,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:34:51,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:34:51,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:34:51,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:34:51,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:34:51,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:34:51,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:34:51,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:34:51,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:34:51,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:34:51,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:34:51,999 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_187d331a-9f15-4901-9630-3fc04d79e53f/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-16 00:34:52,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:34:52,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:34:52,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:34:52,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:34:52,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:34:52,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-16 00:34:52,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/48831ab63/3806101f99214c5e9910e9c5e1742b0e/FLAG39e3abaf5 [2019-11-16 00:34:52,516 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:34:52,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-16 00:34:52,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/48831ab63/3806101f99214c5e9910e9c5e1742b0e/FLAG39e3abaf5 [2019-11-16 00:34:52,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/48831ab63/3806101f99214c5e9910e9c5e1742b0e [2019-11-16 00:34:52,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:34:52,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:34:52,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:34:52,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:34:52,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:34:52,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:52" (1/1) ... [2019-11-16 00:34:52,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338d23a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:52, skipping insertion in model container [2019-11-16 00:34:52,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:52" (1/1) ... [2019-11-16 00:34:52,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:34:52,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:34:53,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:34:53,231 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:34:53,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:34:53,305 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:34:53,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53 WrapperNode [2019-11-16 00:34:53,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:34:53,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:34:53,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:34:53,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:34:53,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:34:53,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:34:53,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:34:53,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:34:53,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... [2019-11-16 00:34:53,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:34:53,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:34:53,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:34:53,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:34:53,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 [2019-11-16 00:34:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:34:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-16 00:34:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:34:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-16 00:34:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:34:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:34:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:34:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:34:53,912 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:34:53,913 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-16 00:34:53,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:53 BoogieIcfgContainer [2019-11-16 00:34:53,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:34:53,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:34:53,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:34:53,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:34:53,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:34:52" (1/3) ... [2019-11-16 00:34:53,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d637f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:34:53, skipping insertion in model container [2019-11-16 00:34:53,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:53" (2/3) ... [2019-11-16 00:34:53,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d637f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:34:53, skipping insertion in model container [2019-11-16 00:34:53,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:53" (3/3) ... [2019-11-16 00:34:53,920 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-16 00:34:53,926 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:34:53,932 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:34:53,939 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:34:53,958 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:34:53,959 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:34:53,959 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:34:53,959 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:34:53,959 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:34:53,959 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:34:53,959 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:34:53,960 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:34:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-16 00:34:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-16 00:34:53,976 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:34:53,977 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:34:53,978 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:34:53,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:34:53,984 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-16 00:34:53,990 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:34:53,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305804673] [2019-11-16 00:34:53,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:34:53,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:34:53,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:34:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:34:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:34:54,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305804673] [2019-11-16 00:34:54,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:34:54,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:34:54,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884527594] [2019-11-16 00:34:54,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:34:54,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:34:54,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:34:54,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:34:54,105 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-16 00:34:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:34:54,122 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-16 00:34:54,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:34:54,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-16 00:34:54,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:34:54,134 INFO L225 Difference]: With dead ends: 96 [2019-11-16 00:34:54,134 INFO L226 Difference]: Without dead ends: 46 [2019-11-16 00:34:54,137 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:34:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-16 00:34:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-16 00:34:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-16 00:34:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-16 00:34:54,170 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-16 00:34:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:34:54,171 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-16 00:34:54,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:34:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-16 00:34:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-16 00:34:54,171 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:34:54,172 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:34:54,172 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:34:54,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:34:54,172 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-16 00:34:54,173 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:34:54,173 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278845874] [2019-11-16 00:34:54,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:34:54,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:34:54,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:34:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:34:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:34:54,256 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:34:54,257 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:34:54,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:34:54 BoogieIcfgContainer [2019-11-16 00:34:54,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:34:54,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:34:54,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:34:54,283 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:34:54,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:34:53" (3/4) ... [2019-11-16 00:34:54,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:34:54,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:34:54,288 INFO L168 Benchmark]: Toolchain (without parser) took 1419.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:34:54,288 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:34:54,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:34:54,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.72 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. [2019-11-16 00:34:54,290 INFO L168 Benchmark]: Boogie Preprocessor took 33.85 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. [2019-11-16 00:34:54,291 INFO L168 Benchmark]: RCFGBuilder took 528.12 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:34:54,292 INFO L168 Benchmark]: TraceAbstraction took 366.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:34:54,292 INFO L168 Benchmark]: Witness Printer took 3.76 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. [2019-11-16 00:34:54,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.72 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 33.85 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 528.12 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 366.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 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: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double res = __ieee754_sqrt(x); [L18] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L144] COND TRUE !isnan_double(res) [L145] __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-cad4683 [2019-11-16 00:34:56,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:34:56,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:34:56,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:34:56,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:34:56,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:34:56,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:34:56,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:34:56,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:34:56,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:34:56,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:34:56,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:34:56,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:34:56,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:34:56,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:34:56,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:34:56,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:34:56,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:34:56,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:34:56,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:34:56,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:34:56,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:34:56,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:34:56,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:34:56,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:34:56,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:34:56,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:34:56,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:34:56,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:34:56,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:34:56,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:34:56,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:34:56,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:34:56,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:34:56,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:34:56,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:34:56,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:34:56,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:34:56,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:34:56,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:34:56,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:34:56,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:34:56,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:34:56,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:34:56,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:34:56,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:34:56,528 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:34:56,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:34:56,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:34:56,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:34:56,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:34:56,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:34:56,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:34:56,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:34:56,530 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:34:56,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:34:56,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:34:56,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:34:56,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:34:56,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:34:56,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:34:56,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:34:56,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:34:56,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:34:56,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:34:56,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:34:56,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:34:56,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:34:56,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:34:56,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:34:56,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:34:56,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:34:56,535 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_187d331a-9f15-4901-9630-3fc04d79e53f/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2019-11-16 00:34:56,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:34:56,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:34:56,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:34:56,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:34:56,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:34:56,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-16 00:34:56,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/c4d3ed2c2/4b2933c0594545cca638f6c422d8c81c/FLAG326ff2e18 [2019-11-16 00:34:56,991 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:34:56,994 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-11-16 00:34:57,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/c4d3ed2c2/4b2933c0594545cca638f6c422d8c81c/FLAG326ff2e18 [2019-11-16 00:34:57,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/data/c4d3ed2c2/4b2933c0594545cca638f6c422d8c81c [2019-11-16 00:34:57,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:34:57,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:34:57,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:34:57,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:34:57,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:34:57,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfa1c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57, skipping insertion in model container [2019-11-16 00:34:57,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:34:57,420 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:34:57,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:34:57,605 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:34:57,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:34:57,758 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:34:57,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57 WrapperNode [2019-11-16 00:34:57,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:34:57,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:34:57,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:34:57,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:34:57,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:34:57,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:34:57,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:34:57,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:34:57,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... [2019-11-16 00:34:57,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:34:57,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:34:57,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:34:57,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:34:57,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 [2019-11-16 00:34:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-16 00:34:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-16 00:34:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:34:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:34:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:34:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:34:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:34:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:35:01,376 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:35:01,376 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-16 00:35:01,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:01 BoogieIcfgContainer [2019-11-16 00:35:01,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:35:01,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:35:01,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:35:01,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:35:01,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:34:57" (1/3) ... [2019-11-16 00:35:01,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe344a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:35:01, skipping insertion in model container [2019-11-16 00:35:01,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:34:57" (2/3) ... [2019-11-16 00:35:01,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe344a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:35:01, skipping insertion in model container [2019-11-16 00:35:01,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:01" (3/3) ... [2019-11-16 00:35:01,394 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-11-16 00:35:01,404 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:35:01,415 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:35:01,427 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:35:01,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:35:01,462 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:35:01,462 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:35:01,462 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:35:01,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:35:01,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:35:01,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:35:01,463 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:35:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-16 00:35:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-16 00:35:01,492 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:01,493 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:01,496 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:35:01,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:01,502 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-16 00:35:01,513 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:35:01,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113576999] [2019-11-16 00:35:01,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 [2019-11-16 00:35:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:01,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-16 00:35:02,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:35:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:02,015 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:35:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:02,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113576999] [2019-11-16 00:35:02,021 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:02,021 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-16 00:35:02,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748111499] [2019-11-16 00:35:02,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:35:02,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:35:02,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:35:02,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:35:02,036 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-16 00:35:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:02,055 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-16 00:35:02,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:35:02,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-16 00:35:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:02,067 INFO L225 Difference]: With dead ends: 96 [2019-11-16 00:35:02,067 INFO L226 Difference]: Without dead ends: 46 [2019-11-16 00:35:02,070 INFO L600 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 [2019-11-16 00:35:02,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-16 00:35:02,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-16 00:35:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-16 00:35:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-16 00:35:02,106 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-16 00:35:02,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:02,106 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-16 00:35:02,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:35:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-16 00:35:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-16 00:35:02,107 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:02,108 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:02,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:35:02,314 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:35:02,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:02,315 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-16 00:35:02,316 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:35:02,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309629056] [2019-11-16 00:35:02,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 [2019-11-16 00:35:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:02,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:35:02,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:35:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:02,906 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:35:20,260 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 9 [2019-11-16 00:35:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:20,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309629056] [2019-11-16 00:35:20,266 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:20,266 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-16 00:35:20,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084252191] [2019-11-16 00:35:20,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:35:20,268 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:35:20,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:35:20,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=3, NotChecked=0, Total=72 [2019-11-16 00:35:20,270 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 9 states. [2019-11-16 00:35:23,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:23,722 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-16 00:35:23,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:35:23,722 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-11-16 00:35:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:23,724 INFO L225 Difference]: With dead ends: 51 [2019-11-16 00:35:23,724 INFO L226 Difference]: Without dead ends: 46 [2019-11-16 00:35:23,725 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=42, Invalid=87, Unknown=3, NotChecked=0, Total=132 [2019-11-16 00:35:23,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-16 00:35:23,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-16 00:35:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-16 00:35:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2019-11-16 00:35:23,733 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2019-11-16 00:35:23,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:23,734 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2019-11-16 00:35:23,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:35:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2019-11-16 00:35:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-16 00:35:23,735 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:23,735 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:23,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-16 00:35:23,936 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:35:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:23,937 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2019-11-16 00:35:23,938 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:35:23,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780526360] [2019-11-16 00:35:23,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/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 [2019-11-16 00:35:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:24,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:35:24,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:35:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:24,098 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:35:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:26,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780526360] [2019-11-16 00:35:26,185 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:26,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-16 00:35:26,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002271647] [2019-11-16 00:35:26,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:35:26,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:35:26,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:35:26,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2019-11-16 00:35:26,188 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 6 states. [2019-11-16 00:35:26,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:26,244 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2019-11-16 00:35:26,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:35:26,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-16 00:35:26,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:26,244 INFO L225 Difference]: With dead ends: 46 [2019-11-16 00:35:26,245 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:35:26,245 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2019-11-16 00:35:26,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:35:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:35:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:35:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:35:26,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-16 00:35:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:26,247 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:35:26,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:35:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:35:26,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:35:26,458 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-16 00:35:26,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:35:26,558 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-11-16 00:35:26,559 INFO L443 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-11-16 00:35:26,559 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-11-16 00:35:26,559 INFO L443 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-11-16 00:35:26,559 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-11-16 00:35:26,559 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L439 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (= ULTIMATE.start___ieee754_sqrt_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-11-16 00:35:26,560 INFO L443 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-11-16 00:35:26,561 INFO L439 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-11-16 00:35:26,561 INFO L443 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-11-16 00:35:26,561 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-11-16 00:35:26,561 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-16 00:35:26,562 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-16 00:35:26,562 INFO L443 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-11-16 00:35:26,563 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-11-16 00:35:26,563 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-16 00:35:26,563 INFO L443 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-11-16 00:35:26,563 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-16 00:35:26,564 INFO L439 ceAbstractionStarter]: At program point L129(lines 22 130) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0))) [2019-11-16 00:35:26,564 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-11-16 00:35:26,564 INFO L443 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-11-16 00:35:26,564 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-11-16 00:35:26,564 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-11-16 00:35:26,565 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-11-16 00:35:26,565 INFO L443 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-11-16 00:35:26,565 INFO L439 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-11-16 00:35:26,565 INFO L443 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-11-16 00:35:26,565 INFO L443 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-11-16 00:35:26,566 INFO L439 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-16 00:35:26,566 INFO L443 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-16 00:35:26,566 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-11-16 00:35:26,566 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:35:26,567 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-16 00:35:26,567 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-16 00:35:26,567 INFO L439 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-11-16 00:35:26,568 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-16 00:35:26,568 INFO L443 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-16 00:35:26,568 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-11-16 00:35:26,568 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-11-16 00:35:26,568 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-11-16 00:35:26,569 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:35:26,569 INFO L446 ceAbstractionStarter]: At program point L149(lines 132 150) the Hoare annotation is: true [2019-11-16 00:35:26,569 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-16 00:35:26,569 INFO L439 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-16 00:35:26,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:35:26 BoogieIcfgContainer [2019-11-16 00:35:26,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:35:26,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:35:26,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:35:26,629 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:35:26,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:01" (3/4) ... [2019-11-16 00:35:26,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:35:26,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-16 00:35:26,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-16 00:35:26,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-16 00:35:26,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-16 00:35:26,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_187d331a-9f15-4901-9630-3fc04d79e53f/bin/uautomizer/witness.graphml [2019-11-16 00:35:26,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:35:26,742 INFO L168 Benchmark]: Toolchain (without parser) took 29376.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -56.4 MB). Peak memory consumption was 97.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,743 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:35:26,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,744 INFO L168 Benchmark]: Boogie Preprocessor took 44.64 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. [2019-11-16 00:35:26,744 INFO L168 Benchmark]: RCFGBuilder took 3519.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,745 INFO L168 Benchmark]: TraceAbstraction took 25249.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,745 INFO L168 Benchmark]: Witness Printer took 112.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:26,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.64 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 3519.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25249.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * Witness Printer took 112.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 28]: Loop Invariant [2019-11-16 00:35:26,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-11-16 00:35:26,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 18]: Loop Invariant [2019-11-16 00:35:26,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:35:26,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 25.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 130 SDtfs, 69 SDslu, 236 SDs, 0 SdLazy, 34 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 19.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 65 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 3 QuantifiedInterpolants, 4050 SizeOfPredicates, 13 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 18 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...