./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/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 95131fbb90a45f134b236581750b2f1a3cba4d8c ............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/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 95131fbb90a45f134b236581750b2f1a3cba4d8c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:37,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:37,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:37,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:37,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:37,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:37,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:37,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:37,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:37,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:37,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:37,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:37,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:37,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:37,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:37,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:37,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:37,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:37,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:37,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:37,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:37,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:37,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:37,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:37,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:37,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:37,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:37,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:37,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:37,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:37,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:37,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:37,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:37,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:37,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:37,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:37,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:37,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:37,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:37,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:37,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:37,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:37,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:37,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:37,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:37,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:37,215 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:37,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:37,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:37,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:37,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:37,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:37,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:37,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:37,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:37,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:37,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:37,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:37,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:37,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:37,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:37,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:37,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:37,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:37,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:37,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:37,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:37,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:37,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:37,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:37,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/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 -> 95131fbb90a45f134b236581750b2f1a3cba4d8c [2019-10-22 09:00:37,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:37,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:37,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:37,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:37,264 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:37,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2019-10-22 09:00:37,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/5175c3de0/367a90626c11455e9389fe614d789549/FLAGae02dedb7 [2019-10-22 09:00:37,694 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:37,695 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2019-10-22 09:00:37,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/5175c3de0/367a90626c11455e9389fe614d789549/FLAGae02dedb7 [2019-10-22 09:00:38,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/5175c3de0/367a90626c11455e9389fe614d789549 [2019-10-22 09:00:38,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:38,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:38,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:38,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:38,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:38,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33934ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38, skipping insertion in model container [2019-10-22 09:00:38,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,102 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:38,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:38,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,419 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:38,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:38,494 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:38,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38 WrapperNode [2019-10-22 09:00:38,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:38,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:38,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:38,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:38,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:38,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:38,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:38,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... [2019-10-22 09:00:38,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:38,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:38,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:38,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:38,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 09:00:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 09:00:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:38,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:00:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 09:00:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:39,017 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:39,017 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 09:00:39,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39 BoogieIcfgContainer [2019-10-22 09:00:39,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:39,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:39,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:39,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:39,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:38" (1/3) ... [2019-10-22 09:00:39,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af8d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38" (2/3) ... [2019-10-22 09:00:39,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af8d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:39, skipping insertion in model container [2019-10-22 09:00:39,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39" (3/3) ... [2019-10-22 09:00:39,026 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610.c [2019-10-22 09:00:39,034 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:39,041 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:39,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:39,071 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:39,071 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:39,071 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:39,071 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:39,071 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:39,072 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:39,072 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:39,072 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-22 09:00:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:39,087 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,088 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,089 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1030411275, now seen corresponding path program 1 times [2019-10-22 09:00:39,098 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856515387] [2019-10-22 09:00:39,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:39,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856515387] [2019-10-22 09:00:39,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:39,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:39,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756890834] [2019-10-22 09:00:39,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:39,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:39,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:39,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:39,236 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-10-22 09:00:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:39,251 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-10-22 09:00:39,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:39,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 09:00:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:39,262 INFO L225 Difference]: With dead ends: 64 [2019-10-22 09:00:39,263 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 09:00:39,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 09:00:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-10-22 09:00:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:00:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-10-22 09:00:39,295 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 10 [2019-10-22 09:00:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:39,295 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-10-22 09:00:39,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-10-22 09:00:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:39,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:39,296 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:39,296 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:39,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1304895922, now seen corresponding path program 1 times [2019-10-22 09:00:39,297 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:39,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606886171] [2019-10-22 09:00:39,297 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,297 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:39,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:39,422 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:39,422 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:39 BoogieIcfgContainer [2019-10-22 09:00:39,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:39,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:39,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:39,458 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:39,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:39" (3/4) ... [2019-10-22 09:00:39,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:39,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:39,464 INFO L168 Benchmark]: Toolchain (without parser) took 1378.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -87.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:39,465 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:39,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:39,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:39,466 INFO L168 Benchmark]: Boogie Preprocessor took 43.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:39,466 INFO L168 Benchmark]: RCFGBuilder took 418.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:39,467 INFO L168 Benchmark]: TraceAbstraction took 438.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:39,467 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:39,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 418.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 438.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 132]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 68. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L127] float x = 0.0f / 0.0f; [L57] float w, s1, s2, z; [L58] __int32_t ix, hx, id; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L61] ieee_float_shape_type gf_u; [L62] gf_u.value = (x) [L63] EXPR gf_u.word [L63] (hx) = gf_u.word [L65] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L66] COND TRUE ix >= 0x50800000 VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L67] COND TRUE ((ix) > 0x7f800000L) [L68] return x + x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L128] float res = atan_float(x); [L15] return x != x; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L131] COND TRUE !isnan_float(res) [L132] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 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=33occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:41,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:41,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:41,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:41,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:41,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:41,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:41,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:41,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:41,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:41,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:41,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:41,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:41,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:41,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:41,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:41,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:41,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:41,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:41,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:41,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:41,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:41,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:41,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:41,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:41,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:41,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:41,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:41,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:41,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:41,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:41,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:41,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:41,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:41,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:41,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:41,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:41,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:41,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:41,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:41,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:41,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:41,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:41,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:41,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:41,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:41,588 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:41,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:41,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:41,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:41,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:41,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:41,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:41,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:41,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:41,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:41,592 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/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 -> 95131fbb90a45f134b236581750b2f1a3cba4d8c [2019-10-22 09:00:41,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:41,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:41,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:41,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:41,634 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:41,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2019-10-22 09:00:41,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/99ec1c2f9/8a08aef26dee4e4ea6450ca7e598e98d/FLAG93c8b5cbf [2019-10-22 09:00:42,077 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:42,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2019-10-22 09:00:42,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/99ec1c2f9/8a08aef26dee4e4ea6450ca7e598e98d/FLAG93c8b5cbf [2019-10-22 09:00:42,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/data/99ec1c2f9/8a08aef26dee4e4ea6450ca7e598e98d [2019-10-22 09:00:42,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:42,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:42,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:42,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:42,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:42,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3202572e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42, skipping insertion in model container [2019-10-22 09:00:42,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,113 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:42,131 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:42,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:42,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:42,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:42,488 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:42,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42 WrapperNode [2019-10-22 09:00:42,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:42,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:42,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:42,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:42,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:42,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:42,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:42,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:42,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... [2019-10-22 09:00:42,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:42,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:42,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:42,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:42,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:42,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:00:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:50,794 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:50,795 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 09:00:50,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:50 BoogieIcfgContainer [2019-10-22 09:00:50,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:50,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:50,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:50,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:50,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:42" (1/3) ... [2019-10-22 09:00:50,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3a6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:50, skipping insertion in model container [2019-10-22 09:00:50,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:42" (2/3) ... [2019-10-22 09:00:50,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3a6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:50, skipping insertion in model container [2019-10-22 09:00:50,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:50" (3/3) ... [2019-10-22 09:00:50,801 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610.c [2019-10-22 09:00:50,809 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:50,814 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:50,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:50,839 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:50,839 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:50,839 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:50,839 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:50,839 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:50,839 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:50,839 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:50,840 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-22 09:00:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:50,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:50,856 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:50,858 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1030411275, now seen corresponding path program 1 times [2019-10-22 09:00:50,872 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:50,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414960384] [2019-10-22 09:00:50,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-10-22 09:00:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:51,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:00:51,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:51,055 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:51,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414960384] [2019-10-22 09:00:51,060 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:51,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:00:51,060 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610979583] [2019-10-22 09:00:51,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:51,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:51,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:51,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:51,074 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-10-22 09:00:51,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:51,093 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-10-22 09:00:51,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:51,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 09:00:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:51,104 INFO L225 Difference]: With dead ends: 64 [2019-10-22 09:00:51,104 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 09:00:51,107 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 09:00:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-10-22 09:00:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:00:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-10-22 09:00:51,138 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 10 [2019-10-22 09:00:51,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:51,138 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-10-22 09:00:51,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-10-22 09:00:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:51,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:51,139 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:51,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:00:51,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:51,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:51,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1304895922, now seen corresponding path program 1 times [2019-10-22 09:00:51,341 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:51,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822119008] [2019-10-22 09:00:51,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-10-22 09:00:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:51,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 09:00:51,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:51,557 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:51,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822119008] [2019-10-22 09:00:51,631 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:51,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-10-22 09:00:51,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119790486] [2019-10-22 09:00:51,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:51,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:51,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:51,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:51,634 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 8 states. [2019-10-22 09:01:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:04,289 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2019-10-22 09:01:04,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:01:04,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-10-22 09:01:04,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:04,345 INFO L225 Difference]: With dead ends: 44 [2019-10-22 09:01:04,345 INFO L226 Difference]: Without dead ends: 36 [2019-10-22 09:01:04,350 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:01:04,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-22 09:01:04,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2019-10-22 09:01:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:01:04,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-10-22 09:01:04,354 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 11 [2019-10-22 09:01:04,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:04,354 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-10-22 09:01:04,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:01:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2019-10-22 09:01:04,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 09:01:04,355 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:04,355 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:04,556 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 09:01:04,556 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:04,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:04,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1812830160, now seen corresponding path program 1 times [2019-10-22 09:01:04,557 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:04,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185333001] [2019-10-22 09:01:04,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-10-22 09:01:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:04,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 09:01:04,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:04,811 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:04,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185333001] [2019-10-22 09:01:04,916 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:04,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 9 [2019-10-22 09:01:04,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405705848] [2019-10-22 09:01:04,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:01:04,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:04,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:01:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:04,917 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 9 states. [2019-10-22 09:01:05,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,004 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-10-22 09:01:05,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:05,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-10-22 09:01:05,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,006 INFO L225 Difference]: With dead ends: 30 [2019-10-22 09:01:05,006 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:05,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:01:05,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:05,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:05,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-10-22 09:01:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,007 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:05,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:01:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:05,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:05,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 09:01:05,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:05,297 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2019-10-22 09:01:05,298 INFO L439 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (= ULTIMATE.start_atan_float_~x (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2019-10-22 09:01:05,298 INFO L443 ceAbstractionStarter]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2019-10-22 09:01:05,298 INFO L443 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-10-22 09:01:05,298 INFO L439 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2019-10-22 09:01:05,298 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2019-10-22 09:01:05,298 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,299 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,299 INFO L446 ceAbstractionStarter]: At program point L136(lines 120 137) the Hoare annotation is: true [2019-10-22 09:01:05,299 INFO L439 ceAbstractionStarter]: At program point L29(lines 17 30) the Hoare annotation is: false [2019-10-22 09:01:05,299 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 117) no Hoare annotation was computed. [2019-10-22 09:01:05,299 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2019-10-22 09:01:05,299 INFO L439 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start_atan_float_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start_atan_float_~x .cse0))) [2019-10-22 09:01:05,300 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 134) no Hoare annotation was computed. [2019-10-22 09:01:05,300 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,300 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 98) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 99) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-22 09:01:05,302 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 73) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L443 ceAbstractionStarter]: For program point L116-2(line 116) no Hoare annotation was computed. [2019-10-22 09:01:05,303 INFO L439 ceAbstractionStarter]: At program point L116-3(lines 56 118) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= |ULTIMATE.start_atan_float_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start_atan_float_~x .cse0))) [2019-10-22 09:01:05,304 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2019-10-22 09:01:05,304 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2019-10-22 09:01:05,304 INFO L443 ceAbstractionStarter]: For program point L67(lines 67 68) no Hoare annotation was computed. [2019-10-22 09:01:05,304 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 77) no Hoare annotation was computed. [2019-10-22 09:01:05,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:05 BoogieIcfgContainer [2019-10-22 09:01:05,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:05,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:05,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:05,329 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:05,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:50" (3/4) ... [2019-10-22 09:01:05,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:05,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:01:05,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:01:05,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-10-22 09:01:05,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-10-22 09:01:05,431 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6b1b2df-fd46-40ca-b7aa-a4793e5039ec/bin/uautomizer/witness.graphml [2019-10-22 09:01:05,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:05,434 INFO L168 Benchmark]: Toolchain (without parser) took 23334.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -53.4 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,434 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,435 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,435 INFO L168 Benchmark]: RCFGBuilder took 8206.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,435 INFO L168 Benchmark]: TraceAbstraction took 14532.40 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: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,435 INFO L168 Benchmark]: Witness Printer took 102.63 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. [2019-10-22 09:01:05,437 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8206.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14532.40 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: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. * Witness Printer took 102.63 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 15]: Loop Invariant [2019-10-22 09:01:05,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 60]: Loop Invariant [2019-10-22 09:01:05,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 56]: Loop Invariant [2019-10-22 09:01:05,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-10-22 09:01:05,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 14.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 36 SDslu, 139 SDs, 0 SdLazy, 48 SolverSat, 3 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 50 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 3 QuantifiedInterpolants, 2700 SizeOfPredicates, 14 NumberOfNonLiveVariables, 252 ConjunctsInSsa, 20 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...