./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/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:47,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:47,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:47,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:47,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:47,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:47,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:47,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:47,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:47,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:47,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:47,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:47,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:47,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:47,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:47,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:47,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:47,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:47,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:47,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:47,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:47,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:47,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:47,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:47,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:47,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:47,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:47,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:47,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:47,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:47,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:47,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:47,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:47,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:47,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:47,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:47,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:47,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:47,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:47,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:47,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:47,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:47,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:47,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:47,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:47,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:47,426 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:47,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:47,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:47,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:47,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:47,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:47,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:47,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:47,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:47,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:47,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:47,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:47,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:47,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:47,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:47,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:47,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:47,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:47,430 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/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:47,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:47,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:47,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:47,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:47,468 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:47,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-10-22 08:56:47,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/421f6db4e/ca0250902e1342e3b5468e0ed63206c5/FLAG4ba736003 [2019-10-22 08:56:47,962 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:47,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-10-22 08:56:47,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/421f6db4e/ca0250902e1342e3b5468e0ed63206c5/FLAG4ba736003 [2019-10-22 08:56:48,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/421f6db4e/ca0250902e1342e3b5468e0ed63206c5 [2019-10-22 08:56:48,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:48,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:48,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:48,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:48,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:48,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f3443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:48,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:48,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:48,600 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:48,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:48,656 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:48,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48 WrapperNode [2019-10-22 08:56:48,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:48,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:48,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:48,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:48,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:48,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:48,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:48,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:48,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:48,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:48,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:48,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:48,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:56:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:56:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:49,183 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:49,184 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 08:56:49,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49 BoogieIcfgContainer [2019-10-22 08:56:49,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:49,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:49,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:49,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:49,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:48" (1/3) ... [2019-10-22 08:56:49,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f86285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:49, skipping insertion in model container [2019-10-22 08:56:49,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48" (2/3) ... [2019-10-22 08:56:49,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f86285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:49, skipping insertion in model container [2019-10-22 08:56:49,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49" (3/3) ... [2019-10-22 08:56:49,193 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-10-22 08:56:49,202 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:49,210 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:49,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:49,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:49,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:49,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:49,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:49,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:49,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:49,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:49,242 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-10-22 08:56:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 08:56:49,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,262 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,264 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-10-22 08:56:49,274 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871461015] [2019-10-22 08:56:49,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:49,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871461015] [2019-10-22 08:56:49,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:49,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:49,376 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813648910] [2019-10-22 08:56:49,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:49,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:49,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:49,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:49,396 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-10-22 08:56:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:49,415 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-10-22 08:56:49,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:49,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-10-22 08:56:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:49,424 INFO L225 Difference]: With dead ends: 96 [2019-10-22 08:56:49,424 INFO L226 Difference]: Without dead ends: 46 [2019-10-22 08:56:49,427 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 [2019-10-22 08:56:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-22 08:56:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-10-22 08:56:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:56:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 08:56:49,456 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-10-22 08:56:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:49,456 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 08:56:49,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 08:56:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:56:49,457 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,457 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,457 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,458 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-10-22 08:56:49,458 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:49,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180037169] [2019-10-22 08:56:49,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:49,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:49,539 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:49,539 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:56:49,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:49 BoogieIcfgContainer [2019-10-22 08:56:49,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:49,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:49,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:49,566 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:49,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49" (3/4) ... [2019-10-22 08:56:49,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:49,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:49,572 INFO L168 Benchmark]: Toolchain (without parser) took 1259.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -73.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:49,573 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:49,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:49,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:49,574 INFO L168 Benchmark]: Boogie Preprocessor took 32.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:49,575 INFO L168 Benchmark]: RCFGBuilder took 453.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:49,576 INFO L168 Benchmark]: TraceAbstraction took 378.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:49,576 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:49,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 453.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 378.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 [2019-10-22 08:56:51,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:51,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:51,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:51,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:51,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:51,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:51,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:51,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:51,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:51,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:51,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:51,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:51,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:51,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:51,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:51,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:51,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:51,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:51,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:51,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:51,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:51,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:51,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:51,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:51,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:51,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:51,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:51,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:51,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:51,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:51,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:51,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:51,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:51,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:51,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:51,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:51,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:51,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:51,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:51,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:51,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:56:51,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:51,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:51,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:51,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:51,766 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:51,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:51,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:51,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:56:51,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:51,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:51,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:51,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:51,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:51,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:51,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:51,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:56:51,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:56:51,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:51,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:56:51,770 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/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:51,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:51,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:51,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:51,813 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:51,813 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:51,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-10-22 08:56:51,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/7fecccde2/d344e7fb6d1149029999367be9257320/FLAGada52cf6a [2019-10-22 08:56:52,278 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:52,279 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2019-10-22 08:56:52,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/7fecccde2/d344e7fb6d1149029999367be9257320/FLAGada52cf6a [2019-10-22 08:56:52,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/data/7fecccde2/d344e7fb6d1149029999367be9257320 [2019-10-22 08:56:52,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:52,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:52,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:52,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:52,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:52,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0f6049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52, skipping insertion in model container [2019-10-22 08:56:52,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,325 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:52,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:52,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:52,578 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:52,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:52,731 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:52,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52 WrapperNode [2019-10-22 08:56:52,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:52,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:52,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:52,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:52,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:52,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:52,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:52,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:52,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:52,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:52,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:52,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:52,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 08:56:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 08:56:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:56:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:56:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:55,731 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:55,731 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 08:56:55,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55 BoogieIcfgContainer [2019-10-22 08:56:55,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:55,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:55,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:55,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:55,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:52" (1/3) ... [2019-10-22 08:56:55,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72da3266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52" (2/3) ... [2019-10-22 08:56:55,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72da3266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/3) ... [2019-10-22 08:56:55,740 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2019-10-22 08:56:55,749 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:55,756 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:55,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:55,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:55,784 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:55,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:55,784 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:55,785 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:55,785 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:55,785 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:55,785 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-10-22 08:56:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 08:56:55,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:55,806 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:55,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:55,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:55,816 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-10-22 08:56:55,825 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:55,826 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112713047] [2019-10-22 08:56:55,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:56:56,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,251 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112713047] [2019-10-22 08:56:56,259 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:56:56,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085878456] [2019-10-22 08:56:56,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:56,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:56,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:56,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:56,277 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-10-22 08:56:56,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,298 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-10-22 08:56:56,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:56,299 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-10-22 08:56:56,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,313 INFO L225 Difference]: With dead ends: 96 [2019-10-22 08:56:56,313 INFO L226 Difference]: Without dead ends: 46 [2019-10-22 08:56:56,316 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 [2019-10-22 08:56:56,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-22 08:56:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-10-22 08:56:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:56:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-10-22 08:56:56,350 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-10-22 08:56:56,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,351 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-10-22 08:56:56,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-10-22 08:56:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:56:56,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,351 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:56:56,561 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:56,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,561 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-10-22 08:56:56,561 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:56,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845314532] [2019-10-22 08:56:56,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:56:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 08:56:56,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,037 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:11,458 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 9 [2019-10-22 08:57:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:11,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845314532] [2019-10-22 08:57:11,462 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:11,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-10-22 08:57:11,462 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461265098] [2019-10-22 08:57:11,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:57:11,464 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:11,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:57:11,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:11,465 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 9 states. [2019-10-22 08:57:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:13,849 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-10-22 08:57:13,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:13,850 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-10-22 08:57:13,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:13,851 INFO L225 Difference]: With dead ends: 51 [2019-10-22 08:57:13,851 INFO L226 Difference]: Without dead ends: 46 [2019-10-22 08:57:13,852 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:57:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-22 08:57:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-10-22 08:57:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 08:57:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2019-10-22 08:57:13,861 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 9 [2019-10-22 08:57:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:13,861 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2019-10-22 08:57:13,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:57:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2019-10-22 08:57:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:13,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:13,862 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] [2019-10-22 08:57:14,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:57:14,072 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:14,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:14,072 INFO L82 PathProgramCache]: Analyzing trace with hash -677928537, now seen corresponding path program 1 times [2019-10-22 08:57:14,073 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:14,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352670125] [2019-10-22 08:57:14,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/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 [2019-10-22 08:57:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:14,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:57:14,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:14,202 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:16,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352670125] [2019-10-22 08:57:16,284 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:16,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 08:57:16,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17697023] [2019-10-22 08:57:16,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:16,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:16,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:16,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2019-10-22 08:57:16,286 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 6 states. [2019-10-22 08:57:16,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:16,323 INFO L93 Difference]: Finished difference Result 46 states and 62 transitions. [2019-10-22 08:57:16,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:16,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-10-22 08:57:16,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:16,323 INFO L225 Difference]: With dead ends: 46 [2019-10-22 08:57:16,324 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:16,324 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 [2019-10-22 08:57:16,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:16,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:57:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:16,325 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:16,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:16,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:16,526 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:57:16,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:16,601 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-10-22 08:57:16,601 INFO L443 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-10-22 08:57:16,601 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-10-22 08:57:16,601 INFO L443 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-10-22 08:57:16,601 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-10-22 08:57:16,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-10-22 08:57:16,602 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))) [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L443 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-10-22 08:57:16,602 INFO L439 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-10-22 08:57:16,603 INFO L443 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-10-22 08:57:16,603 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2019-10-22 08:57:16,603 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-10-22 08:57:16,603 INFO L443 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-10-22 08:57:16,603 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-10-22 08:57:16,604 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-10-22 08:57:16,604 INFO L443 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-10-22 08:57:16,604 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 08:57:16,604 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-22 08:57:16,604 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))) [2019-10-22 08:57:16,604 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L439 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L443 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-10-22 08:57:16,605 INFO L439 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L439 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-10-22 08:57:16,606 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-10-22 08:57:16,607 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-10-22 08:57:16,607 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-10-22 08:57:16,607 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:16,607 INFO L446 ceAbstractionStarter]: At program point L149(lines 132 150) the Hoare annotation is: true [2019-10-22 08:57:16,607 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-10-22 08:57:16,607 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|))) [2019-10-22 08:57:16,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:16 BoogieIcfgContainer [2019-10-22 08:57:16,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:16,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:16,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:16,637 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:16,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/4) ... [2019-10-22 08:57:16,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:16,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:57:16,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:57:16,695 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()) [2019-10-22 08:57:16,696 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 [2019-10-22 08:57:16,738 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8f6b785-aa81-46f0-a8d4-9858431913fb/bin/uautomizer/witness.graphml [2019-10-22 08:57:16,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:16,740 INFO L168 Benchmark]: Toolchain (without parser) took 24433.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 953.7 MB in the beginning and 956.2 MB in the end (delta: -2.5 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:16,740 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-10-22 08:57:16,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:16,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:16,741 INFO L168 Benchmark]: Boogie Preprocessor took 61.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:16,741 INFO L168 Benchmark]: RCFGBuilder took 2889.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:16,742 INFO L168 Benchmark]: TraceAbstraction took 20902.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.1 MB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:16,742 INFO L168 Benchmark]: Witness Printer took 102.35 ms. Allocated memory is still 1.1 GB. Free memory was 963.1 MB in the beginning and 956.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:16,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2889.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20902.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.1 MB in the end (delta: 94.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. * Witness Printer took 102.35 ms. Allocated memory is still 1.1 GB. Free memory was 963.1 MB in the beginning and 956.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 [2019-10-22 08:57:16,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,749 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 [2019-10-22 08:57:16,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,751 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 [2019-10-22 08:57:16,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 08:57:16,754 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: 20.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 130 SDtfs, 69 SDslu, 236 SDs, 0 SdLazy, 34 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 16.6s 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, 0.7s SatisfiabilityAnalysisTime, 16.7s 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...