./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77a01f137667344720fd98189387bfe86c106b2a ..................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:18:46,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:18:46,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:18:46,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:18:46,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:18:46,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:18:46,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:18:46,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:18:46,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:18:46,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:18:46,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:18:46,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:18:46,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:18:46,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:18:46,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:18:46,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:18:46,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:18:46,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:18:46,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:18:46,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:18:46,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:18:46,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:18:46,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:18:46,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:18:46,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:18:46,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:18:46,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:18:46,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:18:46,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:18:46,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:18:46,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:18:46,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:18:46,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:18:46,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:18:46,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:18:46,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:18:46,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:18:46,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:18:46,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:18:46,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:18:46,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:18:46,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 11:18:46,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:18:46,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:18:46,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:18:46,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:18:46,656 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:18:46,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:18:46,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:18:46,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:18:46,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:18:46,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:18:46,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:18:46,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:18:46,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:18:46,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:18:46,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:18:46,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:18:46,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:18:46,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:18:46,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:18:46,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:18:46,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:18:46,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:18:46,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:18:46,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:18:46,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:18:46,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:18:46,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:18:46,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:18:46,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-20 11:18:46,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:18:46,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:18:46,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:18:46,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:18:46,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:18:46,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-20 11:18:46,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/8c23b9240/7a8e7645ece9478880a8ddae1c2176b6/FLAG6100a6aae [2019-11-20 11:18:47,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:18:47,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-20 11:18:47,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/8c23b9240/7a8e7645ece9478880a8ddae1c2176b6/FLAG6100a6aae [2019-11-20 11:18:47,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/8c23b9240/7a8e7645ece9478880a8ddae1c2176b6 [2019-11-20 11:18:47,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:18:47,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:18:47,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:47,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:18:47,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:18:47,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:47" (1/1) ... [2019-11-20 11:18:47,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614907c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:47, skipping insertion in model container [2019-11-20 11:18:47,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:47" (1/1) ... [2019-11-20 11:18:47,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:18:47,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:18:48,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:48,195 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:18:48,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:48,261 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:18:48,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48 WrapperNode [2019-11-20 11:18:48,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:48,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:48,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:18:48,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:18:48,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:48,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:18:48,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:18:48,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:18:48,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... [2019-11-20 11:18:48,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:18:48,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:18:48,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:18:48,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:18:48,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:18:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:18:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 11:18:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:18:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 11:18:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:18:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:18:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:18:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:18:49,084 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:18:49,084 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 11:18:49,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:49 BoogieIcfgContainer [2019-11-20 11:18:49,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:18:49,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:18:49,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:18:49,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:18:49,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:47" (1/3) ... [2019-11-20 11:18:49,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88f567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:49, skipping insertion in model container [2019-11-20 11:18:49,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:48" (2/3) ... [2019-11-20 11:18:49,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88f567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:49, skipping insertion in model container [2019-11-20 11:18:49,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:49" (3/3) ... [2019-11-20 11:18:49,095 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-20 11:18:49,106 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:18:49,112 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:18:49,122 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:18:49,148 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:18:49,148 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:18:49,149 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:18:49,149 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:18:49,149 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:18:49,149 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:18:49,149 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:18:49,149 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:18:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 11:18:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 11:18:49,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:49,171 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:18:49,172 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:49,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:49,179 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-20 11:18:49,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:18:49,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379433492] [2019-11-20 11:18:49,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:18:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:18:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:49,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379433492] [2019-11-20 11:18:49,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:18:49,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 11:18:49,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704895498] [2019-11-20 11:18:49,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 11:18:49,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:18:49,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 11:18:49,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:18:49,342 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 11:18:49,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:18:49,365 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-20 11:18:49,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 11:18:49,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 11:18:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:18:49,377 INFO L225 Difference]: With dead ends: 96 [2019-11-20 11:18:49,378 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 11:18:49,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:18:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 11:18:49,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 11:18:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 11:18:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-20 11:18:49,425 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-20 11:18:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:18:49,426 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-20 11:18:49,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 11:18:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-20 11:18:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 11:18:49,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:49,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:18:49,428 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:49,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:49,428 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-20 11:18:49,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:18:49,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810245397] [2019-11-20 11:18:49,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:18:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:18:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:18:49,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:18:49,530 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 11:18:49,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:18:49 BoogieIcfgContainer [2019-11-20 11:18:49,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:18:49,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:18:49,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:18:49,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:18:49,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:49" (3/4) ... [2019-11-20 11:18:49,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 11:18:49,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:18:49,572 INFO L168 Benchmark]: Toolchain (without parser) took 1795.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,573 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:18:49,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,576 INFO L168 Benchmark]: Boogie Preprocessor took 73.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,577 INFO L168 Benchmark]: RCFGBuilder took 658.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,577 INFO L168 Benchmark]: TraceAbstraction took 476.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:49,578 INFO L168 Benchmark]: Witness Printer took 5.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:18:49,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 658.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 476.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] double res = __ieee754_sqrt(x); [L130] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, 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 0.1.24-678e011 [2019-11-20 11:18:52,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:18:52,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:18:52,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:18:52,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:18:52,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:18:52,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:18:52,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:18:52,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:18:52,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:18:52,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:18:52,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:18:52,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:18:52,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:18:52,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:18:52,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:18:52,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:18:52,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:18:52,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:18:52,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:18:52,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:18:52,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:18:52,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:18:52,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:18:52,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:18:52,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:18:52,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:18:52,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:18:52,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:18:52,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:18:52,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:18:52,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:18:52,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:18:52,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:18:52,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:18:52,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:18:52,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:18:52,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:18:52,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:18:52,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:18:52,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:18:52,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 11:18:52,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:18:52,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:18:52,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:18:52,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:18:52,131 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:18:52,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:18:52,132 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:18:52,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:18:52,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:18:52,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:18:52,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:18:52,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:18:52,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:18:52,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:18:52,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:18:52,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:18:52,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:18:52,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:18:52,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:18:52,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:18:52,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:18:52,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:18:52,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:18:52,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:18:52,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:18:52,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:18:52,138 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 11:18:52,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:18:52,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:18:52,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:18:52,140 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a01f137667344720fd98189387bfe86c106b2a [2019-11-20 11:18:52,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:18:52,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:18:52,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:18:52,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:18:52,497 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:18:52,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-20 11:18:52,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/ddfec7ef1/1fc110c3ea044387993c64cfbd602ab6/FLAG85a856e6c [2019-11-20 11:18:53,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:18:53,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-11-20 11:18:53,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/ddfec7ef1/1fc110c3ea044387993c64cfbd602ab6/FLAG85a856e6c [2019-11-20 11:18:53,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/data/ddfec7ef1/1fc110c3ea044387993c64cfbd602ab6 [2019-11-20 11:18:53,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:18:53,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:18:53,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:53,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:18:53,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:18:53,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ba63b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53, skipping insertion in model container [2019-11-20 11:18:53,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,449 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:18:53,493 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:18:53,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:53,770 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:18:53,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:53,854 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:18:53,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53 WrapperNode [2019-11-20 11:18:53,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:53,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:53,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:18:53,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:18:53,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:53,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:18:53,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:18:53,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:18:53,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:53,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:54,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:54,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:54,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... [2019-11-20 11:18:54,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:18:54,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:18:54,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:18:54,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:18:54,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:18:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 11:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 11:18:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:18:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 11:18:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:18:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:18:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 11:18:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 11:18:57,839 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:18:57,840 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 11:18:57,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:57 BoogieIcfgContainer [2019-11-20 11:18:57,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:18:57,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:18:57,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:18:57,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:18:57,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:53" (1/3) ... [2019-11-20 11:18:57,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee40431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:57, skipping insertion in model container [2019-11-20 11:18:57,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:53" (2/3) ... [2019-11-20 11:18:57,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee40431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:57, skipping insertion in model container [2019-11-20 11:18:57,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:57" (3/3) ... [2019-11-20 11:18:57,850 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-11-20 11:18:57,858 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:18:57,864 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:18:57,872 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:18:57,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:18:57,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:18:57,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:18:57,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:18:57,895 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:18:57,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:18:57,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:18:57,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:18:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 11:18:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 11:18:57,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:57,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:18:57,916 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:57,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:57,922 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-11-20 11:18:57,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:18:57,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046720918] [2019-11-20 11:18:57,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 11:18:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:18:58,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 11:18:58,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:18:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:58,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:18:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:58,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046720918] [2019-11-20 11:18:58,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:18:58,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 11:18:58,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045278504] [2019-11-20 11:18:58,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 11:18:58,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:18:58,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 11:18:58,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:18:58,442 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 11:18:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:18:58,466 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-11-20 11:18:58,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 11:18:58,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 11:18:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:18:58,480 INFO L225 Difference]: With dead ends: 96 [2019-11-20 11:18:58,480 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 11:18:58,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 11:18:58,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 11:18:58,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 11:18:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 11:18:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-11-20 11:18:58,525 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-11-20 11:18:58,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:18:58,526 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-11-20 11:18:58,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 11:18:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-11-20 11:18:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 11:18:58,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:58,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:18:58,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 11:18:58,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:58,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:58,742 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-11-20 11:18:58,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:18:58,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588019782] [2019-11-20 11:18:58,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 11:18:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:18:59,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 11:18:59,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:18:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:59,356 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:19:01,474 WARN L838 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven c_ULTIMATE.start___ieee754_sqrt_~x c_ULTIMATE.start___ieee754_sqrt_~x) c_ULTIMATE.start___ieee754_sqrt_~x)) is different from false [2019-11-20 11:19:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:19:03,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588019782] [2019-11-20 11:19:03,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:19:03,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 11:19:03,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325853818] [2019-11-20 11:19:03,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 11:19:03,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:19:03,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 11:19:03,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=42, Unknown=1, NotChecked=12, Total=72 [2019-11-20 11:19:03,439 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 9 states. [2019-11-20 11:19:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:19:07,424 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-11-20 11:19:07,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:19:07,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-11-20 11:19:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:19:07,426 INFO L225 Difference]: With dead ends: 51 [2019-11-20 11:19:07,427 INFO L226 Difference]: Without dead ends: 46 [2019-11-20 11:19:07,428 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=38, Invalid=75, Unknown=1, NotChecked=18, Total=132 [2019-11-20 11:19:07,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-20 11:19:07,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-11-20 11:19:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 11:19:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-11-20 11:19:07,437 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2019-11-20 11:19:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:19:07,437 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-11-20 11:19:07,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 11:19:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2019-11-20 11:19:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 11:19:07,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:19:07,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:19:07,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 11:19:07,653 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:19:07,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:19:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2019-11-20 11:19:07,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 11:19:07,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132195431] [2019-11-20 11:19:07,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 11:19:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:19:07,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 11:19:07,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 11:19:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:19:07,815 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 11:19:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:19:07,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132195431] [2019-11-20 11:19:07,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:19:07,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 11:19:07,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812011989] [2019-11-20 11:19:07,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 11:19:07,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 11:19:07,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 11:19:07,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 11:19:07,881 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 6 states. [2019-11-20 11:19:07,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:19:07,928 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2019-11-20 11:19:07,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 11:19:07,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-20 11:19:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:19:07,928 INFO L225 Difference]: With dead ends: 46 [2019-11-20 11:19:07,929 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 11:19:07,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 11:19:07,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 11:19:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 11:19:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 11:19:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 11:19:07,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-20 11:19:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:19:07,931 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:19:07,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 11:19:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 11:19:07,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:19:08,132 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 11:19:08,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 11:19:08,283 INFO L440 ceAbstractionStarter]: At program point L126(lines 19 127) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) |ULTIMATE.start___ieee754_sqrt_#res|) (= .cse0 ULTIMATE.start___ieee754_sqrt_~x))) [2019-11-20 11:19:08,283 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-11-20 11:19:08,283 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-11-20 11:19:08,283 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 146) no Hoare annotation was computed. [2019-11-20 11:19:08,284 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-11-20 11:19:08,284 INFO L444 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-11-20 11:19:08,284 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-11-20 11:19:08,284 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-11-20 11:19:08,284 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-11-20 11:19:08,284 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-11-20 11:19:08,285 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-11-20 11:19:08,285 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 11:19:08,285 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 11:19:08,285 INFO L444 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-11-20 11:19:08,285 INFO L440 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-11-20 11:19:08,286 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-20 11:19:08,286 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-11-20 11:19:08,286 INFO L444 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-11-20 11:19:08,286 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-11-20 11:19:08,286 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-11-20 11:19:08,287 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-11-20 11:19:08,288 INFO L440 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) |ULTIMATE.start___ieee754_sqrt_#res|) (= .cse0 ULTIMATE.start___ieee754_sqrt_~x) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-20 11:19:08,288 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 11:19:08,288 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-20 11:19:08,288 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-20 11:19:08,289 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2019-11-20 11:19:08,289 INFO L447 ceAbstractionStarter]: At program point L148(lines 132 149) the Hoare annotation is: true [2019-11-20 11:19:08,289 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-11-20 11:19:08,289 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-11-20 11:19:08,290 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-20 11:19:08,290 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 11:19:08,290 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-20 11:19:08,291 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-11-20 11:19:08,291 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-11-20 11:19:08,291 INFO L440 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) [2019-11-20 11:19:08,291 INFO L444 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-11-20 11:19:08,291 INFO L444 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-11-20 11:19:08,292 INFO L440 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-11-20 11:19:08,292 INFO L444 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-11-20 11:19:08,292 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-11-20 11:19:08,292 INFO L444 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-11-20 11:19:08,292 INFO L444 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-11-20 11:19:08,293 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-20 11:19:08,293 INFO L444 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-11-20 11:19:08,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:19:08 BoogieIcfgContainer [2019-11-20 11:19:08,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:19:08,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:19:08,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:19:08,350 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:19:08,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:57" (3/4) ... [2019-11-20 11:19:08,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:19:08,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 11:19:08,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 11:19:08,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 11:19:08,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2019-11-20 11:19:08,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && 1bv32 == \result [2019-11-20 11:19:08,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_724e0c57-d2f2-4457-a400-2e9c1b8a472e/bin/uautomizer/witness.graphml [2019-11-20 11:19:08,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:19:08,479 INFO L168 Benchmark]: Toolchain (without parser) took 15047.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 961.8 MB in the beginning and 1.0 GB in the end (delta: -47.5 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,479 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:19:08,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,481 INFO L168 Benchmark]: Boogie Preprocessor took 44.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:19:08,481 INFO L168 Benchmark]: RCFGBuilder took 3821.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,482 INFO L168 Benchmark]: TraceAbstraction took 10506.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.0 MB). Peak memory consumption was 101.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,483 INFO L168 Benchmark]: Witness Printer took 127.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:19:08,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 945.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3821.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10506.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.0 MB). Peak memory consumption was 101.0 MB. Max. memory is 11.5 GB. * Witness Printer took 127.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 144]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2019-11-20 11:19:08,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 130]: Loop Invariant [2019-11-20 11:19:08,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && 1bv32 == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-20 11:19:08,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,512 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 11:19:08,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 130 SDtfs, 69 SDslu, 236 SDs, 0 SdLazy, 35 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.3s 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, 92 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 3 QuantifiedInterpolants, 2688 SizeOfPredicates, 13 NumberOfNonLiveVariables, 100 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...